209.71.37.0/24
🇺🇸CIDR
209.71.37.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Philadelphia (Center City East)
RIR
ARIN
Status
allocated
Allocated
7/11/2023
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.71.37.0/24 | AS46946TJU-46946 - Thomas Jefferson University | No ROA | RADB | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS46946 | RADB | MAINT-AS27506 | 9/3/2025 |
Geolocation
Country🇺🇸United StatesUS
RegionPennsylvania
CityPhiladelphia (Center City East)
Coordinates39.9499, -75.1551 ↗
API
Open https://api.ipctl.io/v1/prefix/209.71.37.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.71.37.0/24" | jq
External Links