Report for 33717

Name

CHT-GLOBAL - Chunghwa Telecom Global, INC, US

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.

33717 CHT-GLOBAL - Chunghwa Telecom Global, INC, US

  Adjacency:     6  Upstream:     6  Downstream:     0
  Upstream Adjacent AS list
    AS12179         INTERNAP-2BLK - Unitas Global, US
    AS13791         INTERNAP-BLK3 - Unitas Global, US
    AS9505          TWGATE-AP Taiwan Internet Gateway, TW
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS701           UUNET - Verizon Business, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14459 AS33717        ORIGIN  Originate:       5632 /19.54  Transit:          0 /0.00  CHT-GLOBAL - Chunghwa Telecom Global, INC, US

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       %
12785 AS33717       CHT-GLOBAL - Chunghwa Telecom Global, INC, US     22      6      3     19      3  13.64%


  Prefix               AS Path                              Aggregation Suggestion
  64.41.218.0/24       4777 2516 1299 33717   
  64.95.220.0/24       4777 1828 13791 13791 33717   
  65.202.140.0/24      4777 2516 701 33717    
  65.206.76.0/24       4777 2516 701 33717    
  66.150.3.0/24        4777 1828 12179 33717   
  66.171.114.0/23      4777 2516 1299 33717 + Announce - aggregate of 66.171.114.0/24 (4777 2516 1299 33717) and 66.171.115.0/24 (4777 2516 1299 33717)
  66.171.114.0/24      4777 2516 1299 33717 - Withdrawn - aggregated with 66.171.115.0/24 (4777 2516 1299 33717)
  66.171.115.0/24      4777 2516 1299 33717 - Withdrawn - aggregated with 66.171.114.0/24 (4777 2516 1299 33717)
  66.171.118.0/23      4777 2516 701 33717  + Announce - aggregate of 66.171.118.0/24 (4777 2516 701 33717) and 66.171.119.0/24 (4777 2516 701 33717)
  66.171.118.0/24      4777 2516 701 33717  - Withdrawn - aggregated with 66.171.119.0/24 (4777 2516 701 33717)
  66.171.119.0/24      4777 2516 701 33717  - Withdrawn - aggregated with 66.171.118.0/24 (4777 2516 701 33717)
  66.171.120.0/24      4777 2497 9505 33717   
  66.171.121.0/24      4777 2497 1299 33717   
  66.171.122.0/24      4777 2497 1299 33717   
  66.171.123.0/24      4777 2497 1299 33717 33717   
  66.171.124.0/24      4777 2516 1299 33717   
  66.171.125.0/24      4777 2497 1299 33717   
  66.171.126.0/23      4777 2497 1299 33717 + Announce - aggregate of 66.171.126.0/24 (4777 2497 1299 33717) and 66.171.127.0/24 (4777 2497 1299 33717)
  66.171.126.0/24      4777 2497 1299 33717 - Withdrawn - aggregated with 66.171.127.0/24 (4777 2497 1299 33717)
  66.171.127.0/24      4777 2497 1299 33717 - Withdrawn - aggregated with 66.171.126.0/24 (4777 2497 1299 33717)
  204.96.96.0/24       4777 2516 174 33717    
  208.70.200.0/24      4777 2516 174 33717 33717 33717 33717 33717 33717   
  208.70.201.0/24      4777 2516 1299 33717   
  208.70.205.0/24      4777 2497 1299 33717   
  220.128.51.0/24      4777 2497 1299 33717   

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

AS33717   22 More Specifics   22 Total Advertisements   CHT-GLOBAL - Chunghwa Telecom Global, INC, US
    64.41.218.0/24                64.41.128.0/17
    64.95.220.0/24                64.95.216.0/21
    65.202.140.0/24               65.192.0.0/11
    65.206.76.0/24                65.192.0.0/11
    66.150.3.0/24                 66.150.0.0/20
    66.171.114.0/24               66.171.112.0/20
    66.171.115.0/24               66.171.112.0/20
    66.171.118.0/24               66.171.112.0/20
    66.171.119.0/24               66.171.112.0/20
    66.171.120.0/24               66.171.112.0/20
    66.171.121.0/24               66.171.112.0/20
    66.171.122.0/24               66.171.112.0/20
    66.171.123.0/24               66.171.112.0/20
    66.171.124.0/24               66.171.112.0/20
    66.171.125.0/24               66.171.112.0/20
    66.171.126.0/24               66.171.112.0/20
    66.171.127.0/24               66.171.112.0/20
    204.96.96.0/24                204.96.0.0/15
    208.70.200.0/24               208.70.200.0/21
    208.70.201.0/24               208.70.200.0/21
    208.70.205.0/24               208.70.200.0/21
    220.128.51.0/24               220.128.0.0/18

Whois Entry

whois: 402332

IANA has recorded AS33717 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33717\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       33717
             ASName:         CHT-GLOBAL
             ASHandle:       AS33717
             RegDate:        2005-03-03
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/33717
             
             
             OrgName:        Chunghwa Telecom Global, INC
             OrgId:          CTG-41
             Address:        2107 N. First Street, suite 580
             City:           San Jose
             StateProv:      CA
             PostalCode:     95131
             Country:        US
             RegDate:        2005-02-24
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/CTG-41
             
             
             OrgAbuseHandle: ABUSE841-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-408-988-1898 
             OrgAbuseEmail:  abuse@chtglobal.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE841-ARIN
             
             OrgAbuseHandle: IPADM216-ARIN
             OrgAbuseName:   IPAdmin
             OrgAbusePhone:  +1-408-988-1898 
             OrgAbuseEmail:  IPAdmin@chtglobal.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/IPADM216-ARIN
             
             OrgTechHandle: IPADM216-ARIN
             OrgTechName:   IPAdmin
             OrgTechPhone:  +1-408-988-1898 
             OrgTechEmail:  IPAdmin@chtglobal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM216-ARIN
             
             OrgTechHandle: IPTEC6-ARIN
             OrgTechName:   IPTech
             OrgTechPhone:  +1-408-988-1898 
             OrgTechEmail:  IPTech@chtglobal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPTEC6-ARIN
             
             RAbuseHandle: ABUSE841-ARIN
             RAbuseName:   Abuse
             RAbusePhone:  +1-408-988-1898 
             RAbuseEmail:  abuse@chtglobal.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE841-ARIN
             
             RTechHandle: IPTEC6-ARIN
             RTechName:   IPTech
             RTechPhone:  +1-408-988-1898 
             RTechEmail:  IPTech@chtglobal.com
             RTechRef:    https://rdap.arin.net/registry/entity/IPTEC6-ARIN
             
             RNOCHandle: NMC18-ARIN
             RNOCName:   NETWORK MANAGE CENTER
             RNOCPhone:  +1-408-988-1898 
             RNOCEmail:  noc@chtglobal.com
             RNOCRef:    https://rdap.arin.net/registry/entity/NMC18-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #