37.16.0.0/19
🇺🇸CIDR
37.16.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
San Francisco (Castro District)
RIR
ARIN
Status
allocated
Allocated
12/21/2021
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
16 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.16.0.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.2.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.4.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.6.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.8.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.10.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.12.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.14.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.16.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.18.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.20.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.22.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.24.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.26.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.28.0/23 | AS40509FLY - Fly.io, Inc. | Valid | — | 6/1/2026 |
| 37.16.30.0/23 | 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/37.16.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.16.0.0/19" | jq
External Links