AS133512 CERNEWTECH-ZHENGZHOU - CERNET New Technology Co., Ltd
Announced Prefixes (BGP)
11total
3 IPv48 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)1,792
IPv6 Addresses
Allocated (RIR)3×10²⁶
Announced (BGP)6.2×10²⁶
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
50
Allocated
-
Routing hygiene
Score 47/100 · Medium riskRPKI ROA coverage
0%
7 prefixes RPKI invalid
IRR route objects
63.6%
3 prefixes registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 34/100
- 100% of announced prefixes (11 of 11) have no valid ROA, 7 of them RPKI invalid
- 36% of announced prefixes (4 of 11) have no IRR route object for this ASN
Based on 11 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)11|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | - | |
| No ROA | - | - | |
| No ROA | - | - | |
| Invalid | APNIC | - | |
| Invalid | - | - | |
| Invalid | - | - | |
| Invalid | - | - | |
| Invalid | APNIC | - | |
| Invalid | - | - | |
| Invalid | - | - |
1-10 of 11
1 / 2
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 2400:a980:6000::/40 | 🇨🇳 CN | APNIC | assigned |
All 11 announced prefixes of AS133512 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS133512 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (1)
Networks whose own prefixes AS133512 passes on: usually its customers.
- AS9812Oriental Cable Network4
Other adjacent networks (1)
Adjacent to AS133512 in the transit part of AS paths: peers, providers or customers.
- AS134169CERNEWTECH (Beijing)7
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 AS133512 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/133512Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/133512" | jq