157.103.0.0/16
🇯🇵IPv4APNICallocatedNo ROA
CIDR
157.103.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
allocated
Allocated
2/8/1992
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
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 157.103.10.0/23 | AS17676GIGAINFRA - SoftBank Corp. | No ROA | — | 6/15/2026 |
| 157.103.12.0/24 | AS17676GIGAINFRA - SoftBank Corp. | No ROA | — | 6/15/2026 |
| 157.103.20.0/24 | AS17676GIGAINFRA - SoftBank Corp. | No ROA | — | 6/15/2026 |
| 157.103.51.0/24 | AS17676GIGAINFRA - SoftBank Corp. | No ROA | — | 6/15/2026 |
| 157.103.52.0/24 | AS17676GIGAINFRA - SoftBank Corp. | No ROA | — | 6/15/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/157.103.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/157.103.0.0/16" | jq
External Links