103.51.80.0/20
🇯🇵IPv4RIPEassignedNo ROA
CIDR
103.51.80.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Shinjuku (Agebachō)
RIR
RIPE
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
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.51.80.0/22 | AS10010TOKAI - TOKAI Communications Corporation | No ROA | — | 5/31/2026 |
| 103.51.84.0/24 | AS150667ITFUTURE-AS-AP - IT Future | Valid | — | 5/31/2026 |
| 103.51.85.0/24 | AS150667ITFUTURE-AS-AP - IT Future | Valid | — | 5/31/2026 |
| 103.51.89.0/24 | AS396982GOOGLE-CLOUD-PLATFORM - Google LLC | Valid | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 103.51.92.0/22 | 🇮🇳IN | assigned | |
| 103.51.80.0/22 | AS10010 | 🇯🇵JP | allocated |
| 103.51.86.0/23 | reserved | ||
| 103.51.88.0/23 | 🇹🇼TW | allocated | |
| 103.51.90.0/23 | AS131657 | 🇹🇼TW | allocated |
| 103.51.84.0/23 | AS150667 | 🇧🇩BD | allocated |
| 103.51.80.0/24 | 🇯🇵JP | assigned | |
| 103.51.81.0/24 | 🇯🇵JP | assigned | |
| 103.51.82.0/24 | 🇯🇵JP | assigned | |
| 103.51.83.0/24 | 🇯🇵JP | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.51.80.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.51.80.0/20" | jq
External Links