163.220.224.0/20
🇯🇵CIDR
163.220.224.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
4/2/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 163.220.224.0/20 | AS63770ICSCOE-AS - Industrial Cyber Security Center of Excellence | No ROA | — | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 163.220.228.0/22 | AS63798IPA-ENTERNET - Industrial Cyber Security Center of Excellence | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/163.220.224.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/163.220.224.0/20" | jq
External Links