Report for 142005

Name

NCTAIWANCOLTD-AS-AP NC Taiwan Co., Ltd., TW

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

142005 NCTAIWANCOLTD-AS-AP NC Taiwan Co., Ltd., TW

  Adjacency:     6  Upstream:     6  Downstream:     0
  Upstream Adjacent AS list
    AS3491          PCCWG-APAC-HK PCCW Global HK Ltd., HK
    AS3786          LGDACOM LG DACOM Corporation, KR
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS9318          SKB-AS SK Broadband Co Ltd, KR
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS198949        RADWARE, IL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8752  AS142005       ORIGIN  Originate:      13568 /18.27  Transit:          0 /0.00  NCTAIWANCOLTD-AS-AP NC Taiwan Co., Ltd., TW

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       %
 6889 AS142005      NCTAIWANCOLTD-AS-AP NC Taiwan Co., Ltd., TW       25     10      3     18      7  28.00%


  Prefix               AS Path                              Aggregation Suggestion
  64.25.32.0/23        4777 2516 3356 142005   
  64.25.41.0/24        4777 2497 9318 142005   
  85.113.86.0/23       4777 2497 2914 142005   
  103.164.130.0/23     4777 2497 2914 142005 142005 142005 142005 142005 + Announce - aggregate of 103.164.130.0/24 (4777 2497 2914 142005 142005 142005 142005 142005) and 103.164.131.0/24 (4777 2497 2914 142005 142005 142005 142005 142005)
  103.164.130.0/24     4777 2497 2914 142005 142005 142005 142005 142005 - Withdrawn - aggregated with 103.164.131.0/24 (4777 2497 2914 142005 142005 142005 142005 142005)
  103.164.131.0/24     4777 2497 2914 142005 142005 142005 142005 142005 - Withdrawn - aggregated with 103.164.130.0/24 (4777 2497 2914 142005 142005 142005 142005 142005)
  193.149.158.0/23     4777 2497 2914 142005   
  193.149.166.0/23     4777 2497 2914 142005   
  206.127.144.0/22     4777 2497 2914 142005   
  206.127.144.0/23     4777 2497 2914 142005 - Withdrawn - matching aggregate 206.127.144.0/22 4777 2497 2914 142005
  206.127.148.0/23     4777 2497 2914 142005   
  206.127.152.0/22     4777 2497 2914 142005 + Announce - aggregate of 206.127.152.0/23 (4777 2497 2914 142005) and 206.127.154.0/23 (4777 2497 2914 142005)
  206.127.152.0/23     4777 2497 2914 142005 - Withdrawn - aggregated with 206.127.154.0/23 (4777 2497 2914 142005)
  206.127.154.0/23     4777 2497 2914 142005 - Withdrawn - aggregated with 206.127.152.0/23 (4777 2497 2914 142005)
  206.127.156.0/23     4777 2497 2914 142005   
  206.127.157.0/24     4777 2497 2914 198949 142005 142005   
  209.35.96.0/23       4777 2497 2914 142005   
  209.35.97.0/24       4777 4713 2914 198949 142005 142005   
  209.35.114.0/23      4777 2497 2914 142005   
  209.35.115.0/24      4777 4713 2914 198949 142005 142005   
  209.35.156.0/23      4777 2497 2914 142005   
  209.35.188.0/23      4777 2497 2914 142005   
  216.107.240.0/20     4777 2497 2914 142005 + Announce - aggregate of 216.107.240.0/21 (4777 2497 2914 142005) and 216.107.248.0/21 (4777 2497 2914 142005)
  216.107.240.0/22     4777 2497 2914 142005 - Withdrawn - aggregated with 216.107.244.0/22 (4777 2497 2914 142005)
  216.107.240.0/24     4777 2497 2914 142005 - Withdrawn - matching aggregate 216.107.240.0/22 4777 2497 2914 142005
  216.107.244.0/22     4777 2497 2914 142005 - Withdrawn - aggregated with 216.107.240.0/22 (4777 2497 2914 142005)
  216.107.248.0/22     4777 2497 2914 142005 - Withdrawn - aggregated with 216.107.252.0/22 (4777 2497 2914 142005)
  216.107.252.0/22     4777 2497 2914 142005 - Withdrawn - aggregated with 216.107.248.0/22 (4777 2497 2914 142005)

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS142005   18 More Specifics   25 Total Advertisements   NCTAIWANCOLTD-AS-AP NC Taiwan Co., Ltd., TW
    64.25.32.0/23                 64.25.32.0/20
    64.25.41.0/24                 64.25.32.0/20
    103.164.130.0/24              103.164.130.0/23
    103.164.131.0/24              103.164.130.0/23
    206.127.144.0/22              206.127.144.0/20
    206.127.144.0/23              206.127.144.0/20
    206.127.148.0/23              206.127.144.0/20
    206.127.152.0/23              206.127.144.0/20
    206.127.154.0/23              206.127.144.0/20
    206.127.156.0/23              206.127.144.0/20
    206.127.157.0/24              206.127.144.0/20
    209.35.97.0/24                209.35.96.0/23
    209.35.115.0/24               209.35.114.0/23
    216.107.240.0/22              216.107.240.0/20
    216.107.240.0/24              216.107.240.0/20
    216.107.244.0/22              216.107.240.0/20
    216.107.248.0/22              216.107.240.0/20
    216.107.252.0/22              216.107.240.0/20

Whois Entry

whois: 402332

IANA has recorded AS142005 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS142005\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS141626 - AS142649'
             
             as-block:       AS141626 - AS142649
             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:  2020-10-21T04:09:48Z
             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 'AS142005'
             
             % Abuse contact for 'AS142005' is 'network_service@ncsoft.com'
             
             aut-num:        AS142005
             as-name:        NCTAIWANCOLTD-AS-AP
             descr:          NC Taiwan Co., Ltd.
             country:        TW
             org:            ORG-NTCL2-AP
             admin-c:        NTCL4-AP
             tech-c:         NTCL4-AP
             abuse-c:        AN2895-AP
             mnt-lower:      MAINT-NCTAIWANCOLTD-TW
             mnt-routes:     MAINT-NCTAIWANCOLTD-TW
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-NCTAIWANCOLTD-TW
             last-modified:  2021-10-20T13:06:17Z
             source:         APNIC
             
             irt:            IRT-NCTAIWANCOLTD-TW
             address:        No. 157-17, Sec. 1, Zhongshan Rd., Banqiao Dist, Taipei New Taipei City 220 220242
             e-mail:         network_service@ncsoft.com
             abuse-mailbox:  network_service@ncsoft.com
             admin-c:        NTCL4-AP
             tech-c:         NTCL4-AP
             auth:           # Filtered
             remarks:        network_service@ncsoft.com was validated on 2025-09-30
             mnt-by:         MAINT-NCTAIWANCOLTD-TW
             last-modified:  2025-11-18T00:34:24Z
             source:         APNIC
             
             organisation:   ORG-NTCL2-AP
             org-name:       NC Taiwan Co., Ltd.
             org-type:       LIR
             country:        TW
             address:        No. 157-17, Sec. 1, Zhongshan Rd., Banqiao Dist
             phone:          +886-8964-9100
             e-mail:         network_service@ncsoft.com
             mnt-ref:        APNIC-HM
             mnt-by:         APNIC-HM
             last-modified:  2023-09-05T02:18:31Z
             source:         APNIC
             
             role:           ABUSE NCTAIWANCOLTDTW
             country:        ZZ
             address:        No. 157-17, Sec. 1, Zhongshan Rd., Banqiao Dist, Taipei New Taipei City 220 220242
             phone:          +000000000
             e-mail:         network_service@ncsoft.com
             admin-c:        NTCL4-AP
             tech-c:         NTCL4-AP
             nic-hdl:        AN2895-AP
             remarks:        Generated from irt object IRT-NCTAIWANCOLTD-TW
             remarks:        network_service@ncsoft.com was validated on 2025-09-30
             abuse-mailbox:  network_service@ncsoft.com
             mnt-by:         APNIC-ABUSE
             last-modified:  2025-09-30T23:34:34Z
             source:         APNIC
             
             role:           NC Taiwan Co Ltd administrator
             address:        No. 157-17, Sec. 1, Zhongshan Rd., Banqiao Dist, Taipei New Taipei City 220 220242
             country:        KR
             phone:          +886-8964-9100
             e-mail:         network_service@ncsoft.com
             admin-c:        NTCL4-AP
             tech-c:         NTCL4-AP
             nic-hdl:        NTCL4-AP
             mnt-by:         MAINT-NCTAIWANCOLTD-TW
             last-modified:  2024-04-09T05:10:42Z
             source:         APNIC
             
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