143.55.128.0/20
🇺🇸CIDR
143.55.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Surgoinsville
RIR
ARIN
Status
allocated
Allocated
5/13/2020
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.55.128.0/20 | AS63448HOLSTON-1 - HOLSTON ELECTRIC COOPERATIVE | Valid | ARIN | 6/1/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.55.128.0/22 | AS63448HOLSTON-1 - HOLSTON ELECTRIC COOPERATIVE | Valid | — | 6/1/2026 |
| 143.55.132.0/22 | AS63448HOLSTON-1 - HOLSTON ELECTRIC COOPERATIVE | Valid | — | 6/1/2026 |
| 143.55.136.0/22 | AS63448HOLSTON-1 - HOLSTON ELECTRIC COOPERATIVE | Valid | — | 6/1/2026 |
| 143.55.140.0/22 | AS63448HOLSTON-1 - HOLSTON ELECTRIC COOPERATIVE | Valid | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/143.55.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/143.55.128.0/20" | jq
External Links