202.51.8.0/21 - CLARA AP CLARA (AS23661)
CIDR
202.51.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Minato
RIR
APNIC
Status
allocated
Allocated
2004-09-13
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.51.8.0/21 | AS23661 CLARA-AS-AP CLARA, Inc. | No ROA | APNIC | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS23661 | APNIC | MAINT-JP-CLARA | 2024-05-22 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 202.51.8.0/27 | 🇯🇵JP | assigned | |
| 202.51.8.64/26 | 🇯🇵JP | assigned | |
| 202.51.8.128/26 | 🇯🇵JP | assigned | |
| 202.51.8.192/26 | 🇯🇵JP | assigned | |
| 202.51.9.0/24 | 🇯🇵JP | assigned | |
| 202.51.10.0/24 | 🇯🇵JP | assigned | |
| 202.51.11.0/24 | 🇯🇵JP | assigned | |
| 202.51.12.0/24 | 🇯🇵JP | assigned | |
| 202.51.13.0/24 | 🇯🇵JP | assigned | |
| 202.51.14.0/24 | 🇯🇵JP | assigned | |
| 202.51.15.0/24 | 🇯🇵JP | assigned |
Origin ASN
AS23661
CLARA-AS-AP CLARA, 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/202.51.8.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/202.51.8.0/21" | jq
External Links