199.181.253.0/24
🇺🇸CIDR
199.181.253.0/24
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 |
|---|---|---|---|---|
| 199.181.253.0/24 | AS26585SIAC-SFTI - Securities Industry Automation Corporation | No ROA | RADB | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.181.252.0/23 | AS26585SIAC-SFTI - Securities Industry Automation Corporation | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS26585 | RADB | MAINT-AS10625 | 1/5/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/199.181.253.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.181.253.0/24" | jq
External Links