AS38587 CERNET-IDC-AP - CERNET Internet Data Center
🇨🇳Org handle: A91E5D61
CERNET Internet Data Center
APNICallocated
Announced Prefixes (BGP)
4total
0 IPv44 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)0
IPv6 Addresses
Allocated (RIR)3×10²⁶
Announced (BGP)6.2×10²⁶
Routing hygiene
Score 33/100 · Medium riskRPKI ROA coverage
50%
no RPKI invalid prefixes
IRR route objects
50%
2 prefixes registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- 50% of announced prefixes (2 of 4) have no valid ROA
- Only one upstream seen in the AS paths of its routes
- 50% of announced prefixes (2 of 4) have no IRR route object for this ASN
Based on 4 announced prefixes, updated daily (2026-10-27). How the score works · RPKI explained
Announced Prefixes
(BGP)4|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | APNIC | 2026-10-27 | |
| Valid | APNIC | 2026-10-27 | |
| No ROA | - | 2026-10-27 | |
| No ROA | - | 2026-10-27 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 2400:a980:4000::/40 | 🇨🇳 CN | APNIC | assigned |
All 4 announced prefixes of AS38587 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS38587 hands its own prefixes to: transit providers, or peers at an exchange.
- AS23910China Next Generation Internet CERNET28
Downstreams (1)
Networks whose own prefixes AS38587 passes on: usually its customers.
- AS23842Shenzhen Information And Network Center3
Other adjacent networks (1)
Adjacent to AS38587 in the transit part of AS paths: peers, providers or customers.
- AS134169CERNEWTECH (Beijing)10
ASPA
No ASPA
Abuse Contact
+86-10-62784301
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 AS38587 should publish an ASPA object
- IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/38587Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/38587" | jq