AS23831 CLOVERNET NISIOWARI CATV CORPORATION
Announced Prefixes (BGP)
8total
7 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)17,408
Announced (BGP)18,432
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)8|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 |
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 103.6.16.0/22 | 🇯🇵 JP | APNIC | allocated |
| 103.235.112.0/22 | 🇯🇵 JP | APNIC | allocated |
| 115.85.136.0/21 | 🇯🇵 JP | APNIC | allocated |
| 116.90.144.0/20 | 🇯🇵 JP | APNIC | allocated |
| 202.179.32.0/19 | 🇯🇵 JP | APNIC | allocated |
| 223.27.180.0/22 | 🇯🇵 JP | APNIC | allocated |
| 2401:2f20::/32 | 🇯🇵 JP | APNIC | allocated |
All 8 announced prefixes of AS23831 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS23831 hands its own prefixes to: transit providers, or peers at an exchange.
- AS9354TDNC Community Network Center8
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 AS23831 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/23831Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/23831" | jq