204.52.128.0/22
🇺🇸CIDR
204.52.128.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Baltimore (Mid-Town Belvedere)
RIR
ARIN
Status
allocated
Allocated
7/5/1994
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.52.128.0/22 | AS6059UMS2-ASN - University System of Maryland | No ROA | RADB | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionMaryland
CityBaltimore (Mid-Town Belvedere)
Coordinates39.3059, -76.6164 ↗
API
Open https://api.ipctl.io/v1/prefix/204.52.128.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.52.128.0/22" | jq
External Links