AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University
Announced Prefixes (BGP)
155total
102 IPv453 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)324,352
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)2.3×10²⁹
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
200
Allocated
-
Routing hygiene
Score 72/100 · High riskRPKI ROA coverage
32.9%
12 prefixes RPKI invalid
IRR route objects
0.6%
154 prefixes registered for another origin
Hijack signals
12
12 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 48/100
- 67% of announced prefixes (104 of 155) have no valid ROA, 12 of them RPKI invalid
- Announces 12 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 99% of announced prefixes (154 of 155) have no IRR route object for this ASN
- 2 prefixes registered in IRR route objects for another active network and not authorized by a ROA
Based on 155 announced prefixes, updated daily (2026-10-15). How the score works · RPKI explained
Announced Prefixes
(BGP)155|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
58.200.4.0/24MOAS | Invalid | - | 2026-10-27 |
58.200.12.0/24MOAS | Invalid | - | 2026-10-27 |
58.200.112.0/24MOAS | Invalid | - | 2026-10-27 |
59.67.32.0/20MOAS | No ROA | - | 2026-10-27 |
59.67.48.0/21MOAS | No ROA | - | 2026-10-27 |
59.67.96.0/20MOAS | No ROA | - | 2026-10-27 |
59.67.112.0/20MOAS | No ROA | - | 2026-10-27 |
59.67.144.0/20MOAS | No ROA | - | 2026-10-27 |
59.67.164.0/22MOAS | No ROA | - | 2026-10-27 |
59.67.168.0/21MOAS | No ROA | - | 2026-10-27 |
1-10 of 155
1 / 16
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 2403:ac00::/32 | 🇨🇳 CN | APNIC | allocated |
All 155 announced prefixes of AS24352 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS24352 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 AS24352 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/24352Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/24352" | jq