Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS23764

Announcement observedAPNIC

CTGNet - CTGNet · CTGNet

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/14/2026, 21:35:58Snapshot expired

View network topology RDAP registration

ASN: AS23764
Registration country: Hong Kong SAR China
Name: CTGNet - CTGNet
Abbreviation: CTGNet
Registration date: 6/12/2020, 06:15:42
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
102.217.164.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
102.217.166.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
102.217.167.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
121.59.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
121.59.106.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
121.59.109.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/9/2026, 16:00:00	✓	×	Currently valid
121.59.120.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
121.59.122.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
121.59.124.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
121.59.140.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
121.59.38.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
125.93.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/23/2026, 00:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
125.93.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/23/2026, 00:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
125.93.26.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/23/2026, 00:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
125.93.27.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
131.221.80.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
131.221.81.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
131.221.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
131.221.83.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
139.189.127.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
145.14.64.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
145.14.69.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
145.14.79.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
145.14.92.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
147.78.133.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
147.78.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
154.209.21.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
154.209.23.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
154.72.40.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
154.72.41.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
154.72.42.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
154.72.43.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
154.72.45.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
154.72.46.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
156.238.20.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
156.242.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
156.242.8.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
183.91.51.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
183.91.63.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
185.75.172.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.14.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.15.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.3.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.30.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.5.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.6.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
202.55.7.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CTGNet - CTGNet
RIR: APNIC
Registration country: Hong Kong SAR China
Registration date: 6/12/2020, 06:15:42
Abuse contact: guohf@chinatelecomglobal.com

Snapshot trend

10/14/2026, 21:35:58184 v429 v6145 Upstream · 220 Uncertain

10/13/2026, 20:44:40184 v429 v6150 Upstream · 218 Uncertain

10/13/2026, 20:44:39184 v429 v6157 Upstream · 221 Uncertain

10/12/2026, 20:31:37184 v429 v6146 Upstream · 217 Uncertain

10/11/2026, 18:49:24184 v429 v6147 Upstream · 217 Uncertain

10/10/2026, 16:20:20184 v429 v6147 Upstream · 217 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap