AS145773 AS145773-52 - China Education and Research Network (CERNET)
Announced Prefixes (BGP)
1total
0 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)0
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Allocated
-
Routing hygiene
Score 25/100 · Medium riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
0%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- 100% of announced prefixes (1 of 1) have no IRR route object for this ASN
- Only one upstream seen in the AS paths of its routes
Based on 1 announced prefix, updated daily (2026-10-12). How the score works · RPKI explained
Announced Prefixes
(BGP)1|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
240a:ac33::/32MOAS | Valid | - | 2026-10-12 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 240a:ac33::/32 | 🇨🇳 CN | APNIC | assigned |
All 1 announced prefix of AS145773 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS145773 hands its own prefixes to: transit providers, or peers at an exchange.
- AS38255China Education And Research Network (CERNET)1
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 AS145773 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/145773Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/145773" | jq