66.109.128.0/19
🇺🇸CIDR
66.109.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
Missoula (Westside)
RIR
ARIN
Status
allocated
Allocated
5/30/2001
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.109.128.0/19 | AS21947BCI - Blackfoot Telephone Cooperative, Inc. | Valid | ARINRADB | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.109.150.0/24 | AS22785GLACIER-BANCORP-INC - GLACIER BANCORP INC | Valid | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/66.109.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.109.128.0/19" | jq
External Links