
4721 JCN JCOM Co., Ltd., JP
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS9824 JTCL-JP-AS JCOM Co., Ltd., JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 379 AS4721 ORIGIN Originate: 1263616 /11.73 Transit: 0 /0.00 JCN JCOM Co., Ltd., JP
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 1125 AS4721 JCN JCOM Co., Ltd., JP 162 108 54 108 54 33.33% Prefix AS Path Aggregation Suggestion 14.193.0.0/16 4777 2516 9824 9824 9824 9824 4721 14.193.0.0/16 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 14.193.0.0/17 (4777 2516 9824 9824 9824 4721) and 14.193.128.0/17 (4777 2516 9824 9824 9824 4721) 14.193.0.0/17 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 14.193.128.0/17 (4777 2516 9824 9824 9824 4721) 14.193.128.0/17 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 14.193.0.0/17 (4777 2516 9824 9824 9824 4721) 61.203.224.0/19 4777 2516 9824 9824 9824 9824 4721 61.203.224.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 61.203.224.0/20 (4777 2516 9824 9824 9824 4721) and 61.203.240.0/20 (4777 2516 9824 9824 9824 4721) 61.203.224.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 61.203.240.0/20 (4777 2516 9824 9824 9824 4721) 61.203.240.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 61.203.224.0/20 (4777 2516 9824 9824 9824 4721) 110.4.48.0/20 4777 2516 9824 9824 9824 9824 4721 110.4.48.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 110.4.48.0/21 (4777 2516 9824 9824 9824 4721) and 110.4.56.0/21 (4777 2516 9824 9824 9824 4721) 110.4.48.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.4.56.0/21 (4777 2516 9824 9824 9824 4721) 110.4.56.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.4.48.0/21 (4777 2516 9824 9824 9824 4721) 110.92.80.0/20 4777 2516 9824 9824 9824 9824 4721 110.92.80.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 110.92.80.0/21 (4777 2516 9824 9824 9824 4721) and 110.92.88.0/21 (4777 2516 9824 9824 9824 4721) 110.92.80.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.92.88.0/21 (4777 2516 9824 9824 9824 4721) 110.92.88.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.92.80.0/21 (4777 2516 9824 9824 9824 4721) 110.93.0.0/21 4777 2516 9824 9824 9824 9824 4721 110.93.0.0/21 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 110.93.0.0/22 (4777 2516 9824 9824 9824 4721) and 110.93.4.0/22 (4777 2516 9824 9824 9824 4721) 110.93.0.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.93.4.0/22 (4777 2516 9824 9824 9824 4721) 110.93.4.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.93.0.0/22 (4777 2516 9824 9824 9824 4721) 110.173.240.0/20 4777 2516 9824 9824 9824 9824 4721 110.173.240.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 110.173.240.0/21 (4777 2516 9824 9824 9824 4721) and 110.173.248.0/21 (4777 2516 9824 9824 9824 4721) 110.173.240.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.173.248.0/21 (4777 2516 9824 9824 9824 4721) 110.173.248.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.173.240.0/21 (4777 2516 9824 9824 9824 4721) 110.232.0.0/19 4777 2516 9824 9824 9824 9824 4721 110.232.0.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 110.232.0.0/20 (4777 2516 9824 9824 9824 4721) and 110.232.16.0/20 (4777 2516 9824 9824 9824 4721) 110.232.0.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.232.16.0/20 (4777 2516 9824 9824 9824 4721) 110.232.16.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.232.0.0/20 (4777 2516 9824 9824 9824 4721) 110.232.128.0/21 4777 2516 9824 9824 9824 9824 4721 110.232.128.0/21 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 110.232.128.0/22 (4777 2516 9824 9824 9824 4721) and 110.232.132.0/22 (4777 2516 9824 9824 9824 4721) 110.232.128.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.232.132.0/22 (4777 2516 9824 9824 9824 4721) 110.232.132.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 110.232.128.0/22 (4777 2516 9824 9824 9824 4721) 111.90.0.0/17 4777 2516 9824 9824 9824 9824 4721 111.90.0.0/17 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 111.90.0.0/18 (4777 2516 9824 9824 9824 4721) and 111.90.64.0/18 (4777 2516 9824 9824 9824 4721) 111.90.0.0/18 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 111.90.64.0/18 (4777 2516 9824 9824 9824 4721) 111.90.64.0/18 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 111.90.0.0/18 (4777 2516 9824 9824 9824 4721) 112.137.32.0/20 4777 2516 9824 9824 9824 9824 4721 112.137.32.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 112.137.32.0/21 (4777 2516 9824 9824 9824 4721) and 112.137.40.0/21 (4777 2516 9824 9824 9824 4721) 112.137.32.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 112.137.40.0/21 (4777 2516 9824 9824 9824 4721) 112.137.40.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 112.137.32.0/21 (4777 2516 9824 9824 9824 4721) 112.137.64.0/18 4777 2516 9824 9824 9824 9824 4721 112.137.64.0/18 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 112.137.64.0/19 (4777 2516 9824 9824 9824 4721) and 112.137.96.0/19 (4777 2516 9824 9824 9824 4721) 112.137.64.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 112.137.96.0/19 (4777 2516 9824 9824 9824 4721) 112.137.96.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 112.137.64.0/19 (4777 2516 9824 9824 9824 4721) 113.52.16.0/20 4777 2516 9824 9824 9824 9824 4721 113.52.16.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 113.52.16.0/21 (4777 2516 9824 9824 9824 4721) and 113.52.24.0/21 (4777 2516 9824 9824 9824 4721) 113.52.16.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 113.52.24.0/21 (4777 2516 9824 9824 9824 4721) 113.52.24.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 113.52.16.0/21 (4777 2516 9824 9824 9824 4721) 113.61.112.0/20 4777 2516 9824 9824 9824 9824 4721 113.61.112.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 113.61.112.0/21 (4777 2516 9824 9824 9824 4721) and 113.61.120.0/21 (4777 2516 9824 9824 9824 4721) 113.61.112.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 113.61.120.0/21 (4777 2516 9824 9824 9824 4721) 113.61.120.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 113.61.112.0/21 (4777 2516 9824 9824 9824 4721) 114.134.112.0/20 4777 2516 9824 9824 9824 9824 4721 114.134.112.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 114.134.112.0/21 (4777 2516 9824 9824 9824 4721) and 114.134.120.0/21 (4777 2516 9824 9824 9824 4721) 114.134.112.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.134.120.0/21 (4777 2516 9824 9824 9824 4721) 114.134.120.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.134.112.0/21 (4777 2516 9824 9824 9824 4721) 114.134.192.0/18 4777 2516 9824 9824 9824 9824 4721 114.134.192.0/18 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 114.134.192.0/19 (4777 2516 9824 9824 9824 4721) and 114.134.224.0/19 (4777 2516 9824 9824 9824 4721) 114.134.192.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.134.224.0/19 (4777 2516 9824 9824 9824 4721) 114.134.224.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.134.192.0/19 (4777 2516 9824 9824 9824 4721) 114.142.128.0/21 4777 2516 9824 9824 9824 9824 4721 114.142.128.0/21 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 114.142.128.0/22 (4777 2516 9824 9824 9824 4721) and 114.142.132.0/22 (4777 2516 9824 9824 9824 4721) 114.142.128.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.142.132.0/22 (4777 2516 9824 9824 9824 4721) 114.142.132.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.142.128.0/22 (4777 2516 9824 9824 9824 4721) 114.198.192.0/19 4777 2516 9824 9824 9824 9824 4721 114.198.192.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 114.198.192.0/20 (4777 2516 9824 9824 9824 4721) and 114.198.208.0/20 (4777 2516 9824 9824 9824 4721) 114.198.192.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.198.208.0/20 (4777 2516 9824 9824 9824 4721) 114.198.208.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.198.192.0/20 (4777 2516 9824 9824 9824 4721) 114.198.224.0/21 4777 2516 9824 9824 9824 9824 4721 114.198.224.0/21 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 114.198.224.0/22 (4777 2516 9824 9824 9824 4721) and 114.198.228.0/22 (4777 2516 9824 9824 9824 4721) 114.198.224.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.198.228.0/22 (4777 2516 9824 9824 9824 4721) 114.198.228.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 114.198.224.0/22 (4777 2516 9824 9824 9824 4721) 115.42.96.0/20 4777 2516 9824 9824 9824 9824 4721 115.42.96.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 115.42.96.0/21 (4777 2516 9824 9824 9824 4721) and 115.42.104.0/21 (4777 2516 9824 9824 9824 4721) 115.42.96.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 115.42.104.0/21 (4777 2516 9824 9824 9824 4721) 115.42.104.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 115.42.96.0/21 (4777 2516 9824 9824 9824 4721) 116.70.128.0/18 4777 2516 9824 9824 9824 9824 4721 116.70.128.0/18 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 116.70.128.0/19 (4777 2516 9824 9824 9824 4721) and 116.70.160.0/19 (4777 2516 9824 9824 9824 4721) 116.70.128.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 116.70.160.0/19 (4777 2516 9824 9824 9824 4721) 116.70.160.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 116.70.128.0/19 (4777 2516 9824 9824 9824 4721) 118.83.0.0/16 4777 2516 9824 9824 9824 9824 4721 118.83.0.0/16 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 118.83.0.0/17 (4777 2516 9824 9824 9824 4721) and 118.83.128.0/17 (4777 2516 9824 9824 9824 4721) 118.83.0.0/17 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 118.83.128.0/17 (4777 2516 9824 9824 9824 4721) 118.83.128.0/17 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 118.83.0.0/17 (4777 2516 9824 9824 9824 4721) 118.86.0.0/15 4777 2516 9824 9824 9824 9824 4721 118.86.0.0/15 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 118.86.0.0/16 (4777 2516 9824 9824 9824 4721) and 118.87.0.0/16 (4777 2516 9824 9824 9824 4721) 118.86.0.0/16 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 118.87.0.0/16 (4777 2516 9824 9824 9824 4721) 118.87.0.0/16 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 118.86.0.0/16 (4777 2516 9824 9824 9824 4721) 122.255.128.0/17 4777 2516 9824 9824 9824 9824 4721 122.255.128.0/17 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 122.255.128.0/18 (4777 2516 9824 9824 9824 4721) and 122.255.192.0/18 (4777 2516 9824 9824 9824 4721) 122.255.128.0/18 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 122.255.192.0/18 (4777 2516 9824 9824 9824 4721) 122.255.192.0/18 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 122.255.128.0/18 (4777 2516 9824 9824 9824 4721) 123.98.224.0/19 4777 2516 9824 9824 9824 9824 4721 123.98.224.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 123.98.224.0/20 (4777 2516 9824 9824 9824 4721) and 123.98.240.0/20 (4777 2516 9824 9824 9824 4721) 123.98.224.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 123.98.240.0/20 (4777 2516 9824 9824 9824 4721) 123.98.240.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 123.98.224.0/20 (4777 2516 9824 9824 9824 4721) 175.41.64.0/18 4777 2516 9824 9824 9824 9824 4721 175.41.64.0/18 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 175.41.64.0/19 (4777 2516 9824 9824 9824 4721) and 175.41.96.0/19 (4777 2516 9824 9824 9824 4721) 175.41.64.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 175.41.96.0/19 (4777 2516 9824 9824 9824 4721) 175.41.96.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 175.41.64.0/19 (4777 2516 9824 9824 9824 4721) 175.103.12.0/22 4777 2516 9824 9824 9824 9824 4721 175.103.12.0/22 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 175.103.12.0/23 (4777 2516 9824 9824 9824 4721) and 175.103.14.0/23 (4777 2516 9824 9824 9824 4721) 175.103.12.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 175.103.14.0/23 (4777 2516 9824 9824 9824 4721) 175.103.14.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 175.103.12.0/23 (4777 2516 9824 9824 9824 4721) 180.92.32.0/19 4777 2516 9824 9824 9824 9824 4721 180.92.32.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 180.92.32.0/20 (4777 2516 9824 9824 9824 4721) and 180.92.48.0/20 (4777 2516 9824 9824 9824 4721) 180.92.32.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 180.92.48.0/20 (4777 2516 9824 9824 9824 4721) 180.92.48.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 180.92.32.0/20 (4777 2516 9824 9824 9824 4721) 180.149.160.0/19 4777 2516 9824 9824 9824 9824 4721 180.149.160.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 180.149.160.0/20 (4777 2516 9824 9824 9824 4721) and 180.149.176.0/20 (4777 2516 9824 9824 9824 4721) 180.149.160.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 180.149.176.0/20 (4777 2516 9824 9824 9824 4721) 180.149.176.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 180.149.160.0/20 (4777 2516 9824 9824 9824 4721) 182.50.192.0/19 4777 2516 9824 9824 9824 9824 4721 182.50.192.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 182.50.192.0/20 (4777 2516 9824 9824 9824 4721) and 182.50.208.0/20 (4777 2516 9824 9824 9824 4721) 182.50.192.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 182.50.208.0/20 (4777 2516 9824 9824 9824 4721) 182.50.208.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 182.50.192.0/20 (4777 2516 9824 9824 9824 4721) 182.50.224.0/20 4777 2516 9824 9824 9824 9824 4721 182.50.224.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 182.50.224.0/21 (4777 2516 9824 9824 9824 4721) and 182.50.232.0/21 (4777 2516 9824 9824 9824 4721) 182.50.224.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 182.50.232.0/21 (4777 2516 9824 9824 9824 4721) 182.50.232.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 182.50.224.0/21 (4777 2516 9824 9824 9824 4721) 202.43.16.0/20 4777 2516 9824 9824 9824 9824 4721 202.43.16.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 202.43.16.0/21 (4777 2516 9824 9824 9824 4721) and 202.43.24.0/21 (4777 2516 9824 9824 9824 4721) 202.43.16.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.43.24.0/21 (4777 2516 9824 9824 9824 4721) 202.43.24.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.43.16.0/21 (4777 2516 9824 9824 9824 4721) 202.43.68.0/22 4777 2516 9824 9824 9824 9824 4721 202.43.68.0/22 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 202.43.68.0/23 (4777 2516 9824 9824 9824 4721) and 202.43.70.0/23 (4777 2516 9824 9824 9824 4721) 202.43.68.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.43.70.0/23 (4777 2516 9824 9824 9824 4721) 202.43.70.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.43.68.0/23 (4777 2516 9824 9824 9824 4721) 202.72.64.0/20 4777 2516 9824 9824 9824 9824 4721 202.72.64.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 202.72.64.0/21 (4777 2516 9824 9824 9824 4721) and 202.72.72.0/21 (4777 2516 9824 9824 9824 4721) 202.72.64.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.72.72.0/21 (4777 2516 9824 9824 9824 4721) 202.72.72.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.72.64.0/21 (4777 2516 9824 9824 9824 4721) 202.78.176.0/20 4777 2516 9824 9824 9824 9824 4721 202.78.176.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 202.78.176.0/21 (4777 2516 9824 9824 9824 4721) and 202.78.184.0/21 (4777 2516 9824 9824 9824 4721) 202.78.176.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.78.184.0/21 (4777 2516 9824 9824 9824 4721) 202.78.184.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.78.176.0/21 (4777 2516 9824 9824 9824 4721) 202.83.184.0/21 4777 2516 9824 9824 9824 9824 4721 202.83.184.0/21 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 202.83.184.0/22 (4777 2516 9824 9824 9824 4721) and 202.83.188.0/22 (4777 2516 9824 9824 9824 4721) 202.83.184.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.83.188.0/22 (4777 2516 9824 9824 9824 4721) 202.83.188.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.83.184.0/22 (4777 2516 9824 9824 9824 4721) 202.178.80.0/20 4777 2516 9824 9824 9824 9824 4721 202.178.80.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 202.178.80.0/21 (4777 2516 9824 9824 9824 4721) and 202.178.88.0/21 (4777 2516 9824 9824 9824 4721) 202.178.80.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.178.88.0/21 (4777 2516 9824 9824 9824 4721) 202.178.88.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 202.178.80.0/21 (4777 2516 9824 9824 9824 4721) 203.89.32.0/19 4777 2516 9824 9824 9824 9824 4721 203.89.32.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 203.89.32.0/20 (4777 2516 9824 9824 9824 4721) and 203.89.48.0/20 (4777 2516 9824 9824 9824 4721) 203.89.32.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 203.89.48.0/20 (4777 2516 9824 9824 9824 4721) 203.89.48.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 203.89.32.0/20 (4777 2516 9824 9824 9824 4721) 203.114.248.0/22 4777 2516 9824 9824 9824 9824 4721 203.114.248.0/22 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 203.114.248.0/23 (4777 2516 9824 9824 9824 4721) and 203.114.250.0/23 (4777 2516 9824 9824 9824 4721) 203.114.248.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 203.114.250.0/23 (4777 2516 9824 9824 9824 4721) 203.114.250.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 203.114.248.0/23 (4777 2516 9824 9824 9824 4721) 203.124.64.0/19 4777 2516 9824 9824 9824 9824 4721 203.124.64.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 203.124.64.0/20 (4777 2516 9824 9824 9824 4721) and 203.124.80.0/20 (4777 2516 9824 9824 9824 4721) 203.124.64.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 203.124.80.0/20 (4777 2516 9824 9824 9824 4721) 203.124.80.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 203.124.64.0/20 (4777 2516 9824 9824 9824 4721) 203.153.56.0/22 4777 2516 9824 9824 9824 9824 4721 203.153.56.0/22 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 203.153.56.0/23 (4777 2516 9824 9824 9824 4721) and 203.153.58.0/23 (4777 2516 9824 9824 9824 4721) 203.153.56.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 203.153.58.0/23 (4777 2516 9824 9824 9824 4721) 203.153.58.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 203.153.56.0/23 (4777 2516 9824 9824 9824 4721) 210.135.192.0/19 4777 2516 9824 9824 9824 9824 4721 210.135.192.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 210.135.192.0/20 (4777 2516 9824 9824 9824 4721) and 210.135.208.0/20 (4777 2516 9824 9824 9824 4721) 210.135.192.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 210.135.208.0/20 (4777 2516 9824 9824 9824 4721) 210.135.208.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 210.135.192.0/20 (4777 2516 9824 9824 9824 4721) 210.172.240.0/20 4777 2516 9824 9824 9824 9824 4721 210.172.240.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 210.172.240.0/21 (4777 2516 9824 9824 9824 4721) and 210.172.248.0/21 (4777 2516 9824 9824 9824 4721) 210.172.240.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 210.172.248.0/21 (4777 2516 9824 9824 9824 4721) 210.172.248.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 210.172.240.0/21 (4777 2516 9824 9824 9824 4721) 211.19.208.0/20 4777 2516 9824 9824 9824 9824 4721 211.19.208.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 211.19.208.0/21 (4777 2516 9824 9824 9824 4721) and 211.19.216.0/21 (4777 2516 9824 9824 9824 4721) 211.19.208.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 211.19.216.0/21 (4777 2516 9824 9824 9824 4721) 211.19.216.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 211.19.208.0/21 (4777 2516 9824 9824 9824 4721) 218.219.80.0/20 4777 2516 9824 9824 9824 9824 4721 218.219.80.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 218.219.80.0/21 (4777 2516 9824 9824 9824 4721) and 218.219.88.0/21 (4777 2516 9824 9824 9824 4721) 218.219.80.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 218.219.88.0/21 (4777 2516 9824 9824 9824 4721) 218.219.88.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 218.219.80.0/21 (4777 2516 9824 9824 9824 4721) 219.112.192.0/19 4777 2516 9824 9824 9824 9824 4721 219.112.192.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 219.112.192.0/20 (4777 2516 9824 9824 9824 4721) and 219.112.208.0/20 (4777 2516 9824 9824 9824 4721) 219.112.192.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.112.208.0/20 (4777 2516 9824 9824 9824 4721) 219.112.208.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.112.192.0/20 (4777 2516 9824 9824 9824 4721) 219.113.96.0/20 4777 2516 9824 9824 9824 9824 4721 219.113.96.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 219.113.96.0/21 (4777 2516 9824 9824 9824 4721) and 219.113.104.0/21 (4777 2516 9824 9824 9824 4721) 219.113.96.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.113.104.0/21 (4777 2516 9824 9824 9824 4721) 219.113.104.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.113.96.0/21 (4777 2516 9824 9824 9824 4721) 219.117.0.0/20 4777 2516 9824 9824 9824 9824 4721 219.117.0.0/20 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 219.117.0.0/21 (4777 2516 9824 9824 9824 4721) and 219.117.8.0/21 (4777 2516 9824 9824 9824 4721) 219.117.0.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.117.8.0/21 (4777 2516 9824 9824 9824 4721) 219.117.8.0/21 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.117.0.0/21 (4777 2516 9824 9824 9824 4721) 219.117.160.0/19 4777 2516 9824 9824 9824 9824 4721 219.117.160.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 219.117.160.0/20 (4777 2516 9824 9824 9824 4721) and 219.117.176.0/20 (4777 2516 9824 9824 9824 4721) 219.117.160.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.117.176.0/20 (4777 2516 9824 9824 9824 4721) 219.117.176.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.117.160.0/20 (4777 2516 9824 9824 9824 4721) 219.124.224.0/19 4777 2516 9824 9824 9824 9824 4721 219.124.224.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 219.124.224.0/20 (4777 2516 9824 9824 9824 4721) and 219.124.240.0/20 (4777 2516 9824 9824 9824 4721) 219.124.224.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.124.240.0/20 (4777 2516 9824 9824 9824 4721) 219.124.240.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 219.124.224.0/20 (4777 2516 9824 9824 9824 4721) 220.208.64.0/18 4777 2516 9824 9824 9824 9824 4721 220.208.64.0/18 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 220.208.64.0/19 (4777 2516 9824 9824 9824 4721) and 220.208.96.0/19 (4777 2516 9824 9824 9824 4721) 220.208.64.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 220.208.96.0/19 (4777 2516 9824 9824 9824 4721) 220.208.96.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 220.208.64.0/19 (4777 2516 9824 9824 9824 4721) 221.132.128.0/18 4777 2516 9824 9824 9824 9824 4721 221.132.128.0/18 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 221.132.128.0/19 (4777 2516 9824 9824 9824 4721) and 221.132.160.0/19 (4777 2516 9824 9824 9824 4721) 221.132.128.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 221.132.160.0/19 (4777 2516 9824 9824 9824 4721) 221.132.160.0/19 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 221.132.128.0/19 (4777 2516 9824 9824 9824 4721) 223.165.20.0/22 4777 2516 9824 9824 9824 9824 4721 223.165.20.0/22 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 223.165.20.0/23 (4777 2516 9824 9824 9824 4721) and 223.165.22.0/23 (4777 2516 9824 9824 9824 4721) 223.165.20.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 223.165.22.0/23 (4777 2516 9824 9824 9824 4721) 223.165.22.0/23 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 223.165.20.0/23 (4777 2516 9824 9824 9824 4721) 223.165.32.0/19 4777 2516 9824 9824 9824 9824 4721 223.165.32.0/19 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 223.165.32.0/20 (4777 2516 9824 9824 9824 4721) and 223.165.48.0/20 (4777 2516 9824 9824 9824 4721) 223.165.32.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 223.165.48.0/20 (4777 2516 9824 9824 9824 4721) 223.165.48.0/20 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 223.165.32.0/20 (4777 2516 9824 9824 9824 4721) 223.223.208.0/21 4777 2516 9824 9824 9824 9824 4721 223.223.208.0/21 4777 2516 9824 9824 9824 4721 + Announce - aggregate of 223.223.208.0/22 (4777 2516 9824 9824 9824 4721) and 223.223.212.0/22 (4777 2516 9824 9824 9824 4721) 223.223.208.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 223.223.212.0/22 (4777 2516 9824 9824 9824 4721) 223.223.212.0/22 4777 2516 9824 9824 9824 4721 - Withdrawn - aggregated with 223.223.208.0/22 (4777 2516 9824 9824 9824 4721)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4721 113 More Specifics 162 Total Advertisements JCN JCOM Co., Ltd., JP
14.193.0.0/17 14.193.0.0/16
14.193.128.0/17 14.193.0.0/16
61.203.224.0/19 61.200.0.0/13
61.203.224.0/20 61.200.0.0/13
61.203.240.0/20 61.200.0.0/13
110.4.48.0/21 110.4.48.0/20
110.4.56.0/21 110.4.48.0/20
110.92.80.0/21 110.92.80.0/20
110.92.88.0/21 110.92.80.0/20
110.93.0.0/22 110.93.0.0/21
110.93.4.0/22 110.93.0.0/21
110.173.240.0/21 110.173.240.0/20
110.173.248.0/21 110.173.240.0/20
110.232.0.0/20 110.232.0.0/19
110.232.16.0/20 110.232.0.0/19
110.232.128.0/22 110.232.128.0/21
110.232.132.0/22 110.232.128.0/21
111.90.0.0/18 111.90.0.0/17
111.90.64.0/18 111.90.0.0/17
112.137.32.0/21 112.137.32.0/20
112.137.40.0/21 112.137.32.0/20
112.137.64.0/19 112.137.64.0/18
112.137.96.0/19 112.137.64.0/18
113.52.16.0/21 113.52.16.0/20
113.52.24.0/21 113.52.16.0/20
113.61.112.0/21 113.61.112.0/20
113.61.120.0/21 113.61.112.0/20
114.134.112.0/21 114.134.112.0/20
114.134.120.0/21 114.134.112.0/20
114.142.128.0/22 114.142.128.0/21
114.142.132.0/22 114.142.128.0/21
114.198.192.0/20 114.198.192.0/19
114.198.208.0/20 114.198.192.0/19
114.198.224.0/22 114.198.224.0/21
114.198.228.0/22 114.198.224.0/21
115.42.96.0/21 115.42.96.0/20
115.42.104.0/21 115.42.96.0/20
116.70.128.0/19 116.70.128.0/18
116.70.160.0/19 116.70.128.0/18
118.83.0.0/17 118.83.0.0/16
118.83.128.0/17 118.83.0.0/16
118.86.0.0/16 118.86.0.0/15
118.87.0.0/16 118.86.0.0/15
175.41.64.0/19 175.41.64.0/18
175.41.96.0/19 175.41.64.0/18
175.103.12.0/23 175.103.12.0/22
175.103.14.0/23 175.103.12.0/22
180.92.32.0/20 180.92.32.0/19
180.92.48.0/20 180.92.32.0/19
180.149.160.0/20 180.149.160.0/19
180.149.176.0/20 180.149.160.0/19
182.50.192.0/20 182.50.192.0/19
182.50.208.0/20 182.50.192.0/19
182.50.224.0/21 182.50.224.0/20
182.50.232.0/21 182.50.224.0/20
202.43.16.0/21 202.43.16.0/20
202.43.24.0/21 202.43.16.0/20
202.43.68.0/23 202.43.68.0/22
202.43.70.0/23 202.43.68.0/22
202.72.64.0/21 202.72.64.0/20
202.72.72.0/21 202.72.64.0/20
202.78.176.0/21 202.78.176.0/20
202.78.184.0/21 202.78.176.0/20
202.83.184.0/22 202.83.184.0/21
202.83.188.0/22 202.83.184.0/21
202.178.80.0/21 202.178.80.0/20
202.178.88.0/21 202.178.80.0/20
203.89.32.0/20 203.89.32.0/19
203.89.48.0/20 203.89.32.0/19
203.114.248.0/23 203.114.248.0/22
203.114.250.0/23 203.114.248.0/22
203.124.64.0/20 203.124.64.0/19
203.124.80.0/20 203.124.64.0/19
203.153.56.0/23 203.153.56.0/22
203.153.58.0/23 203.153.56.0/22
210.135.192.0/19 210.128.0.0/13
210.135.192.0/20 210.128.0.0/13
210.135.208.0/20 210.128.0.0/13
210.172.240.0/20 210.160.0.0/12
210.172.240.0/21 210.160.0.0/12
210.172.248.0/21 210.160.0.0/12
211.19.208.0/20 211.16.0.0/14
211.19.208.0/21 211.16.0.0/14
211.19.216.0/21 211.16.0.0/14
218.219.80.0/20 218.216.0.0/13
218.219.80.0/21 218.216.0.0/13
218.219.88.0/21 218.216.0.0/13
219.112.192.0/19 219.96.0.0/11
219.112.192.0/20 219.96.0.0/11
219.112.208.0/20 219.96.0.0/11
219.113.96.0/20 219.96.0.0/11
219.113.96.0/21 219.96.0.0/11
219.113.104.0/21 219.96.0.0/11
219.117.0.0/20 219.96.0.0/11
219.117.0.0/21 219.96.0.0/11
219.117.8.0/21 219.96.0.0/11
219.117.160.0/19 219.96.0.0/11
219.117.160.0/20 219.96.0.0/11
219.117.176.0/20 219.96.0.0/11
219.124.224.0/19 219.96.0.0/11
219.124.224.0/20 219.96.0.0/11
219.124.240.0/20 219.96.0.0/11
220.208.64.0/18 220.208.0.0/12
220.208.64.0/19 220.208.0.0/12
220.208.96.0/19 220.208.0.0/12
221.132.128.0/19 221.132.128.0/18
221.132.160.0/19 221.132.128.0/18
223.165.20.0/23 223.165.20.0/22
223.165.22.0/23 223.165.20.0/22
223.165.32.0/20 223.165.32.0/19
223.165.48.0/20 223.165.32.0/19
223.223.208.0/22 223.223.208.0/21
223.223.212.0/22 223.223.208.0/21
whois: 402332
IANA has recorded AS4721 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4721\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS4608 - AS4865'
as-block: AS4608 - AS4865
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2019-05-20T03:52:26Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS4683 - AS4735'
as-block: AS4683 - AS4735
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2023-08-28T04:50:39Z
source: APNIC
role: Japan Network Information Center
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2022-01-05T03:04:02Z
source: APNIC
% Information related to 'AS4721'
aut-num: AS4721
as-name: JCN
descr: JCOM Co., Ltd.
import:
export:
country: JP
admin-c: JP00124485
tech-c: JP00124485
last-modified: 2022-02-18T01:33:18Z
remarks: This information has been partially mirrored by APNIC from
remarks: JPNIC. To obtain more specific information, please use the
remarks: JPNIC WHOIS Gateway at
remarks: http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks: whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks: defaults to Japanese output, use the /e switch for English
remarks: output)
source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)