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ASN Lookup Tool
AS23764 CTGNet

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS23764
Organisation
China Telecom Global Limited
Name
CTGNet
Total IPv4 Addresses
35,169
Total IPv4 Prefixes
135
Total IPv6 Prefixes
22
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,819 out of 77,528
Registry
Apnic
Registered Country
HK flag HK
Registered Country Name
Hong Kong
Registered Date
Registration Last Change
2020-07-20
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS4635
HK flagThe Hong Kong Internet Exchange Limited
AS200242
DE flagHazel Reimer
AS328832
ZA flagNetwork Platforms (PTY) LTD
AS56662
PL flagMarcin Gondek
AS48646
DE flagSDRmedia Verwaltungs GmbH
Showing 5 of 155
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS273644
BR flagMulti Connect Fibra LTDA
AS4227865473
WORLD flagPrivate Use AS
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
Showing 5 of 334
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix5.154.128.0/24
Range From5.154.128.0
Range To5.154.128.255
Prefix5.154.129.0/24
Range From5.154.129.0
Range To5.154.129.255
Prefix5.154.144.0/24
Range From5.154.144.0
Range To5.154.144.255
Prefix5.154.145.0/24
Range From5.154.145.0
Range To5.154.145.255
Prefix5.154.146.0/24
Range From5.154.146.0
Range To5.154.146.255
Showing 5 of 135
IPv6 Active Prefixes
Prefix2400:9380:9206::/48
Range From2400:9380:9206::
Range To2400:9380:9206:ffff:ffff:ffff:ffff:ffff
Prefix2400:9380:9262::/48
Range From2400:9380:9262::
Range To2400:9380:9262:ffff:ffff:ffff:ffff:ffff
Prefix2400:9380:a003::/48
Range From2400:9380:a003::
Range To2400:9380:a003:ffff:ffff:ffff:ffff:ffff
Prefix2400:9380:a00a::/48
Range From2400:9380:a00a::
Range To2400:9380:a00a:ffff:ffff:ffff:ffff:ffff
Prefix2400:9380:a00c::/48
Range From2400:9380:a00c::
Range To2400:9380:a00c:ffff:ffff:ffff:ffff:ffff
Showing 5 of 22
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.