Autonomous system profile

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

AS55971

Announcement observedAPNIC

CASS-NET - Chinese Academy of Social Sciences · CASS-NET

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

Last active10/15/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS55971
Registration country: China
Name: CASS-NET - Chinese Academy of Social Sciences
Abbreviation: CASS-NET
Registration date: 4/16/2013, 01:22:02
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.247.176.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/21/2026, 00:00:00	10/15/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: CASS-NET - Chinese Academy of Social Sciences
RIR: APNIC
Registration country: China
Registration date: 4/16/2013, 01:22:02
Abuse contact: renpeng@cass.org.cn

Snapshot trend

10/5/2026, 06:52:351 v40 v62 Upstream · 0 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 · cha-la-bgp-observations