120.143.0.0/18
🇯🇵IPv4APNICallocatedNo ROA
CIDR
120.143.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Toshima City
RIR
APNIC
Status
allocated
Allocated
4/18/2008
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
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 120.143.32.0/19 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/13/2026 |
| 120.143.0.0/20 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/13/2026 |
| 120.143.16.0/21 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/13/2026 |
| 120.143.24.0/23 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/13/2026 |
| 120.143.30.0/23 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/13/2026 |
| 120.143.29.0/24 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/13/2026 |
| 120.143.28.0/24 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/13/2026 |
| 120.143.26.0/24 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/13/2026 |
| 120.143.27.0/24 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/120.143.0.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/120.143.0.0/18" | jq
External Links