AS18239 CAPNET NO.11 Xi San Huan Zhong Road,Beijing
Announced Prefixes (BGP)
8total
7 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)65,536
Announced (BGP)65,536
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)8|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 |
Allocated Prefixes
(RIR)8Prefix | Country | RIR | Status |
|---|---|---|---|
| 115.84.0.0/18 | 🇨🇳 CN | APNIC | allocated |
| 202.148.96.0/19 | 🇨🇳 CN | APNIC | allocated |
| 210.73.64.0/19 | 🇨🇳 CN | APNIC | assigned |
| 210.75.192.0/19 | 🇨🇳 CN | APNIC | allocated |
| 211.147.128.0/19 | 🇨🇳 CN | APNIC | assigned |
| 218.246.64.0/19 | 🇨🇳 CN | APNIC | assigned |
| 219.232.192.0/19 | 🇨🇳 CN | APNIC | assigned |
| 2403:6a00::/32 | 🇨🇳 CN | APNIC | allocated |
All 8 announced prefixes of AS18239 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS18239 hands its own prefixes to: transit providers, or peers at an exchange.
- AS56048China Mobile Communicaitons Corporation8
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 AS18239 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/18239Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/18239" | jq