AS24255 T-CATV Koshinomiyako Network, Inc.
Announced Prefixes (BGP)
8total
7 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)26,624
Announced (BGP)27,648
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
50
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 | Other IRR | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 61.245.112.0/21 | 🇯🇵 JP | APNIC | allocated |
| 64.33.0.0/18 | 🇯🇵 JP | APNIC | allocated |
| 103.198.212.0/22 | 🇯🇵 JP | APNIC | allocated |
| 182.50.164.0/22 | 🇯🇵 JP | APNIC | allocated |
| 202.88.192.0/21 | 🇯🇵 JP | APNIC | allocated |
| 202.127.80.0/20 | 🇯🇵 JP | APNIC | allocated |
| 2405:5300::/32 | 🇯🇵 JP | APNIC | allocated |
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 AS24255 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/24255Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/24255" | jq