122.255.224.0/19
🇯🇵IPv4APNICassigned RPKI Valid
CIDR
122.255.224.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
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
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 122.255.128.0/17 | AS4721JCN - JCOM Co., Ltd. | Valid | — | 6/13/2026 |
| 122.255.192.0/18 | AS4721JCN - JCOM Co., Ltd. | Valid | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 122.255.240.0/20 | 🇯🇵JP | allocated | |
| 122.255.224.0/20 | 🇯🇵JP | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/122.255.224.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/122.255.224.0/19" | jq
External Links