66.135.64.0/21
🇺🇸CIDR
66.135.64.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Kalispell
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.135.64.0/21 | AS18897MONTANA-SKY-NETWORKS-INC - Montana Sky Networks, Inc. | No ROA | RADB | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS18897 | RADB | MAINT-AS20119 | 5/27/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/66.135.64.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.135.64.0/21" | jq
External Links