103.251.72.128/25
🇯🇵IPv4APNICassignedNo ROA
CIDR
103.251.72.128/25
IP Version
IPv4
Addresses
128
Mask
/25 (255.255.255.128)
Country
🇯🇵 Japan
City
Suginami-ku
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
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.251.72.0/22 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 6/1/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 103.251.72.160/28 | 🇯🇵JP | assigned | |
| 103.251.72.208/28 | 🇯🇵JP | assigned | |
| 103.251.72.240/28 | 🇯🇵JP | assigned | |
| 103.251.72.128/28 | 🇯🇵JP | assigned | |
| 103.251.72.144/28 | 🇯🇵JP | assigned | |
| 103.251.72.176/28 | 🇯🇵JP | assigned | |
| 103.251.72.192/28 | 🇯🇵JP | assigned | |
| 103.251.72.224/28 | 🇯🇵JP | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.251.72.128/25Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.251.72.128/25" | jq
External Links