141.142.0.0/16
🇺🇸CIDR
141.142.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Urbana
RIR
ARIN
Status
allocated
Allocated
3/26/1990
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 141.142.0.0/16 | AS1224NCSA-AS - University of Illinois | No ROA | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 141.142.154.0/23 | AS1224NCSA-AS - University of Illinois | No ROA | — | 5/31/2026 |
Origin ASN
AS1224
NCSA-AS - University of Illinois
Geolocation
API
Open https://api.ipctl.io/v1/prefix/141.142.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/141.142.0.0/16" | jq
External Links