150.55.0.0/16
🇯🇵CIDR
150.55.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Nagoya (Osu)
RIR
APNIC
Status
allocated
Allocated
9/1/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 150.55.0.0/16 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 150.55.128.0/17 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
| 150.55.0.0/17 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
| 150.55.128.0/18 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
| 150.55.192.0/18 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
| 150.55.0.0/18 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
| 150.55.64.0/18 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
| 150.55.128.0/21 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
| 150.55.128.0/22 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
| 150.55.132.0/22 | AS18124OUS-NET - Okayama University of Science | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/150.55.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/150.55.0.0/16" | jq
External Links