Autonomous system profile

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

AS7497

Announcement observedAPNIC

CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) · CSTNET-AS-AP

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

Last active10/15/2026, 16:18:21Snapshot expired

View network topology RDAP registration

ASN: AS7497
Registration country: China
Name: CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Abbreviation: CSTNET-AS-AP
Registration date: 10/9/2023, 03:57:39
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
101.252.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
103.2.208.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.101.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.103.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.104.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.128.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.130.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.132.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/7/2026, 00:00:00	✓	×	Historical record
119.78.148.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/12/2026, 08:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.160.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.165.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.167.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.168.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.172.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.209.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.210.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.212.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.213.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.214.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.216.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.218.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.224.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.226.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.232.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.234.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.236.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.241.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.242.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.243.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.248.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.254.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.255.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.4.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.6.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.64.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.7.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.78.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.80.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.84.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.96.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.78.98.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.79.246.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
119.79.248.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.16.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
RIR: APNIC
Registration country: China
Registration date: 10/9/2023, 03:57:39
Abuse contact: abuse-ip@cstnet.cn

Snapshot trend

10/15/2026, 16:18:21466 v4168 v617 Upstream · 3 Uncertain

9/29/2026, 19:53:31464 v4168 v616 Upstream · 3 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