AS24350 CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications
Announced Prefixes (BGP)
553total
510 IPv443 IPv6
IPv4 Addresses
Allocated (RIR)706,560
Announced (BGP)3.7M
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)1.5×10²⁹
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
200
Allocated
-
Routing hygiene
Score 86/100 · High riskRPKI ROA coverage
6.7%
401 prefixes RPKI invalid
IRR route objects
0%
549 prefixes registered for another origin
Hijack signals
230
230 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 15/100
- 93% of announced prefixes (516 of 553) have no valid ROA, 401 of them RPKI invalid
- Announces 230 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 100% of announced prefixes (553 of 553) have no IRR route object for this ASN
- Routes concentrated on one upstream (92% of routes)
Based on 553 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained
Announced Prefixes
(BGP)553|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | - | |
58.116.0.0/18MOAS | Invalid | - | - |
58.116.64.0/18MOAS | Invalid | - | - |
58.116.128.0/18MOAS | Invalid | - | - |
58.116.192.0/18MOAS | Invalid | - | - |
58.117.0.0/18MOAS | Invalid | - | - |
58.117.64.0/18MOAS | Invalid | - | - |
58.117.128.0/18MOAS | Invalid | - | - |
| Invalid | - | - | |
| Invalid | - | - |
1-10 of 553
1 / 56
Allocated Prefixes
(RIR)142Prefix | Country | RIR | Status |
|---|---|---|---|
| 58.128.0.0/14 | 🇨🇳 CN | APNIC | assigned |
| 117.106.0.0/15 | 🇨🇳 CN | APNIC | allocated |
| 117.114.0.0/15 | 🇨🇳 CN | APNIC | assigned |
| 117.116.0.0/15 | 🇨🇳 CN | APNIC | assigned |
| 202.106.118.0/24 | 🇨🇳 CN | APNIC | assigned |
| 211.153.25.0/24 | 🇨🇳 CN | APNIC | assigned |
| 211.153.26.0/24 | 🇨🇳 CN | APNIC | assigned |
| 211.153.27.0/24 | 🇨🇳 CN | APNIC | assigned |
| 211.153.28.0/24 | 🇨🇳 CN | APNIC | assigned |
| 211.153.29.0/24 | 🇨🇳 CN | APNIC | assigned |
1-10 of 142
1 / 15
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS24350 should publish an ASPA object
- IPv4 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/24350Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/24350" | jq