103.137.240.0/21
🇯🇵IPv4RIPEassignedNo ROA
CIDR
103.137.240.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Toshima City
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
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.137.240.0/22 | AS131945SNTU-NET - Sanntuu Corporation | No ROA | — | 6/14/2026 |
| 103.137.246.0/23 | AS131642PNI-AS-TW - Pittqiao Network Information Co.,Ltd. | Valid | — | 6/14/2026 |
| 103.137.246.0/24 | AS131642PNI-AS-TW - Pittqiao Network Information Co.,Ltd. | Valid | — | 6/14/2026 |
| 103.137.247.0/24 | AS131642PNI-AS-TW - Pittqiao Network Information Co.,Ltd. | Valid | — | 6/14/2026 |
| 103.137.245.0/24 | AS138973CAMPBELL-AS-AP - Campbell Technology Limited | Valid | — | 6/14/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 103.137.240.0/22 | AS131945 | 🇯🇵JP | allocated |
| 103.137.246.0/23 | AS131642 | 🇹🇼TW | allocated |
| 103.137.244.0/24 | AS138972 | 🇮🇳IN | assigned |
| 103.137.245.0/24 | AS138973 | 🇳🇿NZ | allocated |
| 103.137.245.64/28 | 🇳🇿NZ | assigned | |
| 103.137.245.16/28 | 🇳🇿NZ | assigned | |
| 103.137.245.128/28 | 🇳🇿NZ | assigned | |
| 103.137.245.1/32 | 🇳🇿NZ | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.137.240.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.137.240.0/21" | jq
External Links