AS24371 CNGI-CHC-IX-AS-AP - CERNET2 IX at Jilin University
Announced Prefixes (BGP)
200total
134 IPv466 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)418,816
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
200
Allocated
-
Routing hygiene
Score 77/100 · High riskRPKI ROA coverage
32.5%
22 prefixes RPKI invalid
IRR route objects
0%
199 prefixes registered for another origin
Hijack signals
22
22 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 46/100
- Announces 22 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 68% of announced prefixes (135 of 200) have no valid ROA, 22 of them RPKI invalid
- 100% of announced prefixes (200 of 200) have no IRR route object for this ASN
Based on 200 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)200|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
49.140.0.0/16MOAS | No ROA | - | - |
49.141.0.0/20MOAS | No ROA | - | - |
49.141.16.0/21MOAS | No ROA | - | - |
49.141.24.0/21MOAS | No ROA | - | - |
49.141.32.0/20MOAS | No ROA | - | - |
49.141.64.0/18MOAS | No ROA | - | - |
49.141.128.0/20MOAS | No ROA | - | - |
49.141.144.0/21MOAS | No ROA | - | - |
58.155.128.0/23MOAS | No ROA | - | - |
58.155.130.0/23MOAS | No ROA | - | - |
1-10 of 200
1 / 20
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 2403:8c00::/32 | 🇨🇳 CN | APNIC | allocated |
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 AS24371 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/24371Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/24371" | jq