66.51.16.0/21
🇨🇦CIDR
66.51.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇦 Canada
City
Calgary (Southeast Calgary)
RIR
ARIN
Status
allocated
Allocated
12/16/2020
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.51.16.0/21 | AS13845ESTRUXTURE-AB-13845 - eStruxture Data Centers Inc. | Valid | ARINRADB | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.51.18.0/24 | AS13845ESTRUXTURE-AB-13845 - eStruxture Data Centers Inc. | Valid | — | 6/1/2026 |
| 66.51.20.0/24 | AS13845ESTRUXTURE-AB-13845 - eStruxture Data Centers Inc. | Valid | — | 6/1/2026 |
Geolocation
Country🇨🇦CanadaCA
RegionAlberta
CityCalgary (Southeast Calgary)
Coordinates50.9922, -113.9570 ↗
API
Open https://api.ipctl.io/v1/prefix/66.51.16.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.51.16.0/21" | jq
External Links