AS138370 CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang University
Announced Prefixes (BGP)
167total
83 IPv484 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)136,960
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
500
Allocated
-
Routing hygiene
Score 70/100 · High riskRPKI ROA coverage
49.7%
28 prefixes RPKI invalid
IRR route objects
0%
167 prefixes registered for another origin
Hijack signals
28
28 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 50/100
- Announces 28 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 50% of announced prefixes (84 of 167) have no valid ROA, 28 of them RPKI invalid
- 100% of announced prefixes (167 of 167) have no IRR route object for this ASN
Based on 167 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained
Announced Prefixes
(BGP)167|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
58.200.68.0/24MOAS | Invalid | - | 2026-10-27 |
121.192.129.0/24MOAS | Invalid | - | 2026-10-27 |
121.192.130.0/23MOAS | No ROA | - | 2026-10-27 |
121.192.132.0/24MOAS | Invalid | - | 2026-10-27 |
121.192.134.0/24MOAS | Invalid | - | 2026-10-27 |
121.192.137.0/24MOAS | Invalid | - | 2026-10-27 |
121.192.138.0/24MOAS | Invalid | - | 2026-10-27 |
210.35.0.0/22MOAS | No ROA | - | 2026-10-27 |
| No ROA | - | 2026-10-27 | |
210.35.4.0/22MOAS | No ROA | - | 2026-10-27 |
1-10 of 167
1 / 17
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 AS138370 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/138370Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/138370" | jq