210.20.144.0/20 - BGP Prefix
IPv4APNICallocated RPKI Valid
CIDR
210.20.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
RIR
APNIC
Status
allocated
Allocated
2001-01-10
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.20.0.0/16 | AS9824 JTCL-JP-AS - JCOM Co., Ltd. | Valid | - | 2026-10-12 |
| 210.20.128.0/17 | AS9824 JTCL-JP-AS - JCOM Co., Ltd. | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 210.20.0.0/16 | AS9824 | /24 | apnic |
Related Prefixes
Geolocation
Country🇯🇵JapanJP
Coordinates36.2048, 138.2529 ↗
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/210.20.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/210.20.144.0/20" | jq
External Links