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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
40,448
Total IPv4 Prefixes
157
Total IPv6 Prefixes
25
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,499 out of 78,099
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 flagEmber Ana Reimer
AS20562
NL flagBroadband Hosting B.V.
AS56662
PL flagMarcin Gondek
AS48646
DE flagSDRmedia Verwaltungs GmbH
AS47992
GB flagUMBRELLA NETWORKS LLP
Showing 5 of 161
Transit To

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

 

ASN
Organisation
AS137993
HK flagKingviews Adamas Systems Limited
AS4227865473
WORLD flagPrivate Use AS
AS64833
WORLD flagPrivate Use AS
AS16509
US flagAmazon.com, Inc.
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
Showing 5 of 532
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 157
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 25
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.