204.152.181.0/24
🇺🇸CIDR
204.152.181.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Chicago
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.152.181.0/24 | AS36535HUDSON-RIVER-TRADING-LLC-36535 - Hudson River Trading LLC | No ROA | ARIN | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.152.180.0/23 | AS36535HUDSON-RIVER-TRADING-LLC-36535 - Hudson River Trading LLC | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS36535 | ARIN | MNT-HRTL-2 | 5/14/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/204.152.181.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.152.181.0/24" | jq
External Links