203.217.156.0/22 - NCM Nagasaki Cable Media (AS10000)
CIDR
203.217.156.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Nagasaki
RIR
APNIC
Status
allocated
Allocated
2009-06-24
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.217.156.0/22 | AS10000 NCM Nagasaki Cable Media Inc. | Valid | Other IRR | 2026-10-11 |
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/203.217.156.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.217.156.0/22" | jq
External Links