122.103.0.0/16
🇯🇵IPv4RIPEassignedNo ROA
CIDR
122.103.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Chiyoda
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 |
|---|---|---|---|---|
| 122.103.0.0/17 | AS2519VECTANT - ARTERIA Networks Corporation | No ROA | — | 6/13/2026 |
| 122.103.192.0/18 | AS2519VECTANT - ARTERIA Networks Corporation | Valid | — | 6/13/2026 |
| 122.103.160.0/19 | AS2519VECTANT - ARTERIA Networks Corporation | Valid | — | 6/13/2026 |
| 122.103.128.0/19 | AS4685ASAHI-NET - Asahi Net | Valid | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 122.103.0.0/17 | AS2519 | 🇯🇵JP | allocated |
| 122.103.192.0/18 | AS2519 | 🇯🇵JP | allocated |
| 122.103.128.0/19 | AS4685 | 🇯🇵JP | allocated |
| 122.103.160.0/19 | AS2519 | 🇯🇵JP | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/122.103.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/122.103.0.0/16" | jq
External Links