AS24355 CNGI-CD-IX-AS-AP - CERNET2 IX at University of Electronic Science and Technology of China
Announced Prefixes (BGP)
380total
246 IPv4134 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)666,368
IPv6 Addresses
Allocated (RIR)8.4×10²⁴
Announced (BGP)2.3×10²⁹
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
500
Allocated
-
Routing hygiene
Score 76/100 · High riskRPKI ROA coverage
31.8%
84 prefixes RPKI invalid
IRR route objects
0%
380 prefixes registered for another origin
Hijack signals
84
84 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 45/100
- Announces 84 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 68% of announced prefixes (259 of 380) have no valid ROA, 84 of them RPKI invalid
- 100% of announced prefixes (380 of 380) have no IRR route object for this ASN
Based on 380 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained
Announced Prefixes
(BGP)380|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
58.200.17.0/24MOAS | Invalid | - | - |
58.200.119.0/24MOAS | Invalid | - | - |
58.206.0.0/19MOAS | No ROA | - | - |
113.54.0.0/20MOAS | No ROA | - | - |
113.54.128.0/17MOAS | No ROA | - | - |
120.94.0.0/20MOAS | No ROA | - | - |
120.94.16.0/24MOAS | Invalid | - | - |
120.94.24.0/22MOAS | No ROA | - | - |
120.94.64.0/19MOAS | No ROA | - | - |
120.94.216.0/21MOAS | No ROA | - | - |
1-10 of 380
1 / 38
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 2001:250:2000::/48 | 🇨🇳 CN | APNIC | assigned |
| 2001:250:2001::/48 | 🇨🇳 CN | APNIC | assigned |
| 2001:250:2002::/48 | 🇨🇳 CN | APNIC | assigned |
| 2001:250:2003::/48 | 🇨🇳 CN | APNIC | assigned |
| 2001:250:2004::/48 | 🇨🇳 CN | APNIC | assigned |
| 2001:250:2005::/48 | 🇨🇳 CN | APNIC | assigned |
| 2001:250:2006::/48 | 🇨🇳 CN | APNIC | assigned |
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 AS24355 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/24355Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/24355" | jq