204.77.153.0/24
🇺🇸CIDR
204.77.153.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Philadelphia (Center City)
RIR
ARIN
Status
allocated
Allocated
9/26/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.77.153.0/24 | AS21672CES-HQPA-01 - Customized Energy Solutions, Ltd. | No ROA | RADB | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS21672 | RADB | MAINT-AS7922 | 11/13/2023 |
Geolocation
Country🇺🇸United StatesUS
RegionPennsylvania
CityPhiladelphia (Center City)
Coordinates39.9495, -75.1673 ↗
API
Open https://api.ipctl.io/v1/prefix/204.77.153.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.77.153.0/24" | jq
External Links