AS23911 China Next Generation Internet Beijing IX
IPv4 addresses
0
IPv6 /48 networks
65,536
RPKI
0 valid1 no ROA
Peers and downstreams
16
Holder
- AS name
- CNGI-BJIX-AS-AP
- Description
- China Next Generation Internet Beijing IX CNGI-CERNET Beijing 100084, China
- Organisation
- China Next Generation Internet Beijing IX
- Abuse contact
- Not published
- Assigned
- 2003-10-15
- Registered
- 2008-09-04
- Record last changed
- 2020-09-03 09:16 UTC
None announced.
| AS3491 | PCCW Global (HK) Ltd. PCCWG-APAC-HK |
| AS4538 | China Education and Research Network Center ERX-CERNET-BKB |
| AS4635 | Hong Kong Internet Exchange--Route Server 1 HKIX-RS1 |
| AS6939 | Hurricane Electric LLC HURRICANE |
| AS7660 | Asia Pacific Advanced Network - Japan APAN-JP |
| AS20965 | GEANT Vereniging GEANT |
| AS24489 | Trans-Eurasia Information Network (TEIN2) - North TEIN2-NORTH-AP |
| AS4538 | China Education and Research Network Center ERX-CERNET-BKB |
| AS7497 | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) CSTNET-AS-AP |
| AS9401 | National Library of China NLC-CN-AS |
| AS23910 | China Next Generation Internet CERNET2 CNGI-CERNET2-AS-AP |
| AS24489 | Trans-Eurasia Information Network (TEIN2) - North TEIN2-NORTH-AP |
| AS38255 | China Education and Research Network (CERNET) FITI-AS-AP |
| AS45110 | Beijing Tian Wei Xin Tong technology corp. limited. CBCnet |
| AS59265 | China telecom â China Next Generation Internet CT-CNGI |
| AS1273 | IDDQD-AS CW |
| AS2497 | Internet Initiative Japan Inc. IIJ |
| AS2907 | Research Organization of Information and Systems, National Institute of Informatics SINET-AS |
| AS11537 | Internet2 INTERNET2-RESEARCH-EDU |
| AS24482 | SG.GS SGGS-AS-AP |
| AS36236 | NetActuate, Inc NETACTUATE |
| AS39120 | Convergenze S.p.A. CONVERGENZE-AS |
| AS49544 | i3D.net B.V i3Dnet |
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade C · 60/100| fail | Prefixes covered by valid ROAs 0 of 1 announced prefixes are RPKI valid, 1 have no ROA. |
0/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 1 IPv6 prefix. |
15/15 |
| pass | More than one upstream 7 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact abuse@cernet.edu.cn is published. |
15/15 |
| fail | Publishes a geofeed No geofeed found. Without one, location databases have to guess. |
0/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| fail | Registry record maintained Last changed 2020-09-03. |
0/5 |
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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<a href="https://ip-fd.net/asn/23911"><img src="https://ip-fd.net/badge/asn/23911/health.svg" alt="AS23911 network health on IP-FD.net"></a>
Markdown
[](https://ip-fd.net/asn/23911)
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Routing changes
Last 30 days| 2026-10-04 04:22 UTC | Neighbour gone | AS8359 | upstream |
| 2026-10-04 04:22 UTC | Relationship changed | AS7497 | upstream to downstream |
| 2026-10-04 04:22 UTC | Relationship changed | AS39120 | upstream to peer |
| 2026-10-04 04:22 UTC | New neighbour | AS2907 | peer |
| 2026-10-04 04:22 UTC | Relationship changed | AS2497 | upstream to peer |
| 2026-10-04 04:22 UTC | New neighbour | AS20965 | upstream |
| 2026-10-04 04:22 UTC | Relationship changed | AS1273 | upstream to peer |
| 2026-10-04 04:22 UTC | Relationship changed | AS11537 | upstream to peer |
WHOIS
aut-num: AS23911 as-name: CNGI-BJIX-AS-AP handle: AS23911 remarks: China Next Generation Internet Beijing IX remarks: CNGI-CERNET remarks: Beijing 100084, China remarks: Multihome portion of CERNET technical,administrative:CER-AP (CERNET Helpdesk) <helpdesk@cernet.edu.cn> abuse: IRT-CERNET-AP (IRT-CERNET-AP) <abuse@cernet.edu.cn> registration: 2008-09-04T06:40:35Z last changed: 2020-09-03T09:16:07Z source: APNIC (RDAP)