66.51.120.0/21
🇺🇸CIDR
66.51.120.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Francisco (Castro District)
RIR
ARIN
Status
allocated
Allocated
12/6/2021
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.51.120.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 66.51.122.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 66.51.124.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 66.51.126.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
Origin ASN
AS40509
FLY - Fly.io, Inc.
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Francisco (Castro District)
Coordinates37.7648, -122.4320 ↗
API
Open https://api.ipctl.io/v1/prefix/66.51.120.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.51.120.0/21" | jq
External Links