66.220.144.0/20
🇺🇸CIDR
66.220.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Sterling
RIR
ARIN
Status
allocated
Allocated
2/13/2009
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.220.144.0/20 | AS32934FACEBOOK - Facebook, Inc. | No ROA | RADB | 5/30/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.220.144.0/21 | AS32934FACEBOOK - Facebook, Inc. | No ROA | — | 5/30/2026 |
| 66.220.152.0/21 | AS32934FACEBOOK - Facebook, Inc. | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS32934 | RADB | MAINT-AS32934 | 11/13/2023 |
Origin ASN
AS32934
FACEBOOK - Facebook, Inc.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/66.220.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.220.144.0/20" | jq
External Links