163.220.176.0/20 - Research Organization Of Information And Systems, National Institute Of Informatics (AS2907)
CIDR
163.220.176.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
RIR
APNIC
Status
allocated
Allocated
1993-04-02
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 163.220.176.0/20 | AS2907 SINET-AS - Research Organization of Information and Systems, National Institute of Informatics | No ROA | - | 2026-10-12 |
Transfer History
Registry transfers of 163.220.176.0/20, blocks inside it, or blocks containing it.
- 163.220.176.0/20Transfer ·
Origin ASN
AS2907
SINET-AS - Research Organization of Information and Systems, National Institute of Informatics
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/163.220.176.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/163.220.176.0/20" | jq
External Links