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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
35,780
Total IPv4 Prefixes
140
Total IPv6 Prefixes
23
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,730 out of 77,675
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
AS200242
DE flagHazel Reimer
AS56662
PL flagMarcin Gondek
AS48646
DE flagSDRmedia Verwaltungs GmbH
AS9900
KH flagCOGETEL LTD.
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
Showing 5 of 158
Transit To

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

 

ASN
Organisation
AS137451
HK flagHong Kong Business Telecom Limited
AS137993
HK flagKingviews Adamas Systems Limited
AS273686
BR flagWFNET SOLUÇÕES EIRELI
AS4227865473
WORLD flagPrivate Use AS
AS64833
WORLD flagPrivate Use AS
Showing 5 of 535
IPv4 Active Prefixes

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

Prefix5.10.136.0/24
Range From5.10.136.0
Range To5.10.136.255
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
Showing 5 of 140
IPv6 Active Prefixes
Prefix2400:9380:9115::/48
Range From2400:9380:9115::
Range To2400:9380:9115:ffff:ffff:ffff:ffff:ffff
Prefix2400:9380:9116::/48
Range From2400:9380:9116::
Range To2400:9380:9116:ffff:ffff:ffff:ffff:ffff
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
Showing 5 of 23
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.