126.251.144.0/20 - Joetsu Cable Vision (AS131937)
CIDR
126.251.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 126.251.144.0/20 | AS131937 JCV - Joetsu Cable Vision | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 126.251.144.0/20 | AS131937 | /20 | apnic |
Origin ASN
AS131937
JCV - Joetsu Cable Vision
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/126.251.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/126.251.144.0/20" | jq
External Links