AS138371 CNGI-QDA-IX-AS-AP - CERNET2 regional IX at Ocean University of China
Announced Prefixes (BGP)
84total
49 IPv435 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)64,256
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)5.5×10²⁹
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
200
Allocated
-
Routing hygiene
Score 72/100 · High riskRPKI ROA coverage
44%
12 prefixes RPKI invalid
IRR route objects
0%
83 prefixes registered for another origin
Hijack signals
12
12 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 49/100
- Announces 12 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 56% of announced prefixes (47 of 84) have no valid ROA, 12 of them RPKI invalid
- 100% of announced prefixes (84 of 84) have no IRR route object for this ASN
Based on 84 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained
Announced Prefixes
(BGP)84|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
121.249.192.0/20MOAS | No ROA | - | 2026-10-27 |
121.249.208.0/22MOAS | No ROA | - | 2026-10-27 |
121.249.212.0/23MOAS | No ROA | - | 2026-10-27 |
121.249.214.0/23MOAS | No ROA | - | 2026-10-27 |
121.249.216.0/21MOAS | No ROA | - | 2026-10-27 |
121.251.216.0/21MOAS | No ROA | - | 2026-10-27 |
121.251.224.0/20MOAS | No ROA | - | 2026-10-27 |
| Valid | - | 2026-10-27 | |
| Valid | - | 2026-10-27 | |
| Valid | - | 2026-10-27 |
1-10 of 84
1 / 9
All 84 announced prefixes of AS138371 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS138371 hands its own prefixes to: transit providers, or peers at an exchange.
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 AS138371 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/138371Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/138371" | jq