103.51.140.0/22
🇹🇼IPv4APNICallocated RPKI Valid
CIDR
103.51.140.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇹🇼 Taiwan
City
Taipei
RIR
APNIC
Status
allocated
Allocated
2/25/2015
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 |
|---|---|---|---|---|
| 103.51.140.0/24 | AS134094SERVERFIELD-AS - Serverfield Co., Ltd. | Valid | — | 6/1/2026 |
| 103.51.141.0/24 | AS134094SERVERFIELD-AS - Serverfield Co., Ltd. | Valid | — | 6/1/2026 |
| 103.51.142.0/24 | AS134094SERVERFIELD-AS - Serverfield Co., Ltd. | Valid | — | 6/1/2026 |
| 103.51.143.0/24 | AS134094SERVERFIELD-AS - Serverfield Co., Ltd. | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 103.51.140.0/22 | AS134094 | /22 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 103.51.143.0/24 | AS134094 | 🇹🇼TW | assigned |
| 103.51.140.0/24 | AS134094 | 🇹🇼TW | assigned |
| 103.51.142.0/24 | AS134094 | 🇹🇼TW | assigned |
| 103.51.141.0/24 | AS134094 | 🇹🇼TW | assigned |
Geolocation
Country🇹🇼TaiwanTW
CityTaipei
API
Open https://api.ipctl.io/v1/prefix/103.51.140.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.51.140.0/22" | jq
External Links