150.55.192.0/18
🇯🇵CIDR
150.55.192.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 150.55.192.0/18 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 150.55.0.0/16 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
| 150.55.128.0/17 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/150.55.192.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/150.55.192.0/18" | jq
External Links