Autonomous system profile

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

AS24350

Announcement observedAPNIC

CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications · CNGI-BJ-IX4-AS-AP

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

Last active10/1/2026, 15:29:24Snapshot expired

View network topology RDAP registration

ASN: AS24350
Registration country: China
Name: CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications
Abbreviation: CNGI-BJ-IX4-AS-AP
Registration date: 9/4/2008, 06:40:37
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
2001:250:20b::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:202::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:205::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:206::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:207::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:208::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:214::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:215::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:216::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:224::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:22b::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	9/29/2026, 08:00:00	×	✓	Currently valid
2001:da8:231::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:238::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:23a::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:23e::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:241::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:242::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:247::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:249::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:24f::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:250::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:252::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:255::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:262::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:264::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:265::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:26f::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:ad::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2001:da8:ffd::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2402:2000:6000::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2402:2000:7000::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2402:2000:9000::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2402:2000::/32BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
240c:c018::/32BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid

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

Registration and sources

Organization: CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications
RIR: APNIC
Registration country: China
Registration date: 9/4/2008, 06:40:37
Abuse contact: abuse@cernet.edu.cn

Snapshot trend

10/1/2026, 15:29:240 v434 v61 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