203.215.56.0/22 - Nagasaki Cable Media (AS10000)
CIDR
203.215.56.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Nagasaki
RIR
APNIC
Status
allocated
Allocated
2009-02-17
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.215.56.0/22 | AS10000 NCM - Nagasaki Cable Media Inc. | Valid | Other IRR | 2026-10-12 |
Origin ASN
AS10000
NCM - Nagasaki Cable Media Inc.
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/203.215.56.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.215.56.0/22" | jq
External Links