131.193.0.0/16
🇺🇸CIDR
131.193.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Chicago (Near West Side)
RIR
ARIN
Status
allocated
Allocated
1/4/1989
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.193.0.0/16 | AS6200UIC-AS - University of Illinois Chicago | No ROA | RADB | 5/30/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.193.182.0/23 | AS6200UIC-AS - University of Illinois Chicago | No ROA | — | 5/30/2026 |
| 131.193.34.0/24 | AS6200UIC-AS - University of Illinois Chicago | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS6200 | RADB | MAINT-AS38 | 4/25/2024 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/131.193.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/131.193.0.0/16" | jq
External Links