192.31.120.0/22
🇯🇵CIDR
192.31.120.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.31.121.0/24 | AS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics | No ROA | — | 6/1/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 192.31.122.0/23 | 🇯🇵JP | assigned | |
| 192.31.120.0/24 | 🇯🇵JP | assigned | |
| 192.31.121.0/24 | AS2907 | 🇯🇵JP | assigned |
Origin ASN
AS24229
Geolocation
API
Open https://api.ipctl.io/v1/prefix/192.31.120.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/192.31.120.0/22" | jq
External Links