61.66.172.0/22
🇹🇼CIDR
61.66.172.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇹🇼 Taiwan
City
Taipei
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 61.66.172.0/22 | AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. | Valid | RADB | 5/31/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 61.66.0.0/16 | AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. | Valid | — | 5/31/2026 |
| 61.66.128.0/17 | AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. | Valid | — | 5/31/2026 |
| 61.66.128.0/18 | AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. | Valid | — | 5/31/2026 |
| 61.66.160.0/19 | AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. | Valid | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/61.66.172.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/61.66.172.0/22" | jq
External Links