66.100.0.0/15
🇺🇸CIDR
66.100.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇺🇸 United States
City
Washington D.C.
RIR
ARIN
Status
allocated
Allocated
4/9/2001
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.100.0.0/15 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.100.215.0/24 | AS27328DUQUESNE-CAPITAL-MANAGEMENT-LLC-PA - DUQUESNE CAPITAL MANAGEMENT LLC | No ROA | — | 6/1/2026 |
| 66.100.108.0/24 | AS46854KONAM - Konami Gaming, Inc. | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/66.100.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.100.0.0/15" | jq
External Links