103.251.72.0/22
🇯🇵CIDR
103.251.72.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Suginami-ku
RIR
APNIC
Status
allocated
Allocated
7/29/2013
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.251.72.0/22 | AS2514InfoSphere - NTT PC Communications, Inc. | No ROA | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 103.251.72.0/24 | 🇯🇵JP | assigned | |
| 103.251.75.0/24 | 🇯🇵JP | assigned | |
| 103.251.74.0/24 | 🇯🇵JP | assigned | |
| 103.251.73.0/24 | 🇯🇵JP | assigned | |
| 103.251.75.0/25 | 🇯🇵JP | assigned | |
| 103.251.73.128/25 | 🇯🇵JP | assigned | |
| 103.251.72.128/25 | 🇯🇵JP | assigned | |
| 103.251.75.128/25 | 🇯🇵JP | assigned | |
| 103.251.74.0/25 | 🇯🇵JP | assigned | |
| 103.251.74.128/25 | 🇯🇵JP | assigned | |
| 103.251.73.0/25 | 🇯🇵JP | assigned | |
| 103.251.72.0/25 | 🇯🇵JP | assigned | |
| 103.251.75.16/28 | 🇯🇵JP | assigned | |
| 103.251.75.64/28 | 🇯🇵JP | assigned | |
| 103.251.75.176/28 | 🇯🇵JP | assigned | |
| 103.251.75.208/28 | 🇯🇵JP | assigned | |
| 103.251.72.128/28 | 🇯🇵JP | assigned | |
| 103.251.72.192/28 | 🇯🇵JP | assigned | |
| 103.251.73.160/28 | 🇯🇵JP | assigned | |
| 103.251.73.192/28 | 🇯🇵JP | assigned | |
| 103.251.75.32/28 | 🇯🇵JP | assigned | |
| 103.251.75.48/28 | 🇯🇵JP | assigned | |
| 103.251.75.96/28 | 🇯🇵JP | assigned | |
| 103.251.75.112/28 | 🇯🇵JP | assigned | |
| 103.251.75.160/28 | 🇯🇵JP | assigned | |
| 103.251.75.192/28 | 🇯🇵JP | assigned | |
| 103.251.75.224/28 | 🇯🇵JP | assigned | |
| 103.251.73.128/28 | 🇯🇵JP | assigned | |
| 103.251.72.0/28 | 🇯🇵JP | assigned | |
| 103.251.72.32/28 | 🇯🇵JP | assigned | |
| 103.251.72.48/28 | 🇯🇵JP | assigned | |
| 103.251.72.64/28 | 🇯🇵JP | assigned | |
| 103.251.72.80/28 | 🇯🇵JP | assigned | |
| 103.251.72.112/28 | 🇯🇵JP | assigned | |
| 103.251.72.144/28 | 🇯🇵JP | assigned | |
| 103.251.72.176/28 | 🇯🇵JP | assigned | |
| 103.251.72.224/28 | 🇯🇵JP | assigned | |
| 103.251.72.240/28 | 🇯🇵JP | assigned | |
| 103.251.73.0/28 | 🇯🇵JP | assigned | |
| 103.251.73.16/28 | 🇯🇵JP | assigned | |
| 103.251.73.32/28 | 🇯🇵JP | assigned | |
| 103.251.73.48/28 | 🇯🇵JP | assigned | |
| 103.251.73.80/28 | 🇯🇵JP | assigned | |
| 103.251.73.96/28 | 🇯🇵JP | assigned | |
| 103.251.73.112/28 | 🇯🇵JP | assigned | |
| 103.251.73.144/28 | 🇯🇵JP | assigned | |
| 103.251.73.208/28 | 🇯🇵JP | assigned | |
| 103.251.73.224/28 | 🇯🇵JP | assigned | |
| 103.251.74.0/28 | 🇯🇵JP | assigned | |
| 103.251.74.16/28 | 🇯🇵JP | assigned | |
| 103.251.74.32/28 | 🇯🇵JP | assigned | |
| 103.251.74.48/28 | 🇯🇵JP | assigned | |
| 103.251.74.80/28 | 🇯🇵JP | assigned | |
| 103.251.74.112/28 | 🇯🇵JP | assigned | |
| 103.251.74.176/28 | 🇯🇵JP | assigned | |
| 103.251.74.224/28 | 🇯🇵JP | assigned | |
| 103.251.74.240/28 | 🇯🇵JP | assigned | |
| 103.251.75.80/28 | 🇯🇵JP | assigned | |
| 103.251.75.128/28 | 🇯🇵JP | assigned | |
| 103.251.75.144/28 | 🇯🇵JP | assigned | |
| 103.251.72.96/28 | 🇯🇵JP | assigned | |
| 103.251.72.160/28 | 🇯🇵JP | assigned | |
| 103.251.73.240/28 | 🇯🇵JP | assigned | |
| 103.251.74.144/28 | 🇯🇵JP | assigned | |
| 103.251.75.240/28 | 🇯🇵JP | assigned | |
| 103.251.72.16/28 | 🇯🇵JP | assigned | |
| 103.251.72.208/28 | 🇯🇵JP | assigned | |
| 103.251.73.64/28 | 🇯🇵JP | assigned | |
| 103.251.73.176/28 | 🇯🇵JP | assigned | |
| 103.251.74.64/28 | 🇯🇵JP | assigned | |
| 103.251.74.96/28 | 🇯🇵JP | assigned | |
| 103.251.74.128/28 | 🇯🇵JP | assigned | |
| 103.251.74.160/28 | 🇯🇵JP | assigned | |
| 103.251.74.192/28 | 🇯🇵JP | assigned | |
| 103.251.74.208/28 | 🇯🇵JP | assigned | |
| 103.251.75.1/32 | 🇯🇵JP | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.251.72.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.251.72.0/22" | jq
External Links