198.40.16.0/20
🇺🇸CIDR
198.40.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Chicago (Loop)
RIR
ARIN
Status
allocated
Allocated
1/5/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 198.40.16.0/20 | AS18555THE-ART-INST - The Art Institute of Chicago | No ROA | ARIN | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 198.40.23.0/24 | AS18555THE-ART-INST - The Art Institute of Chicago | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS18555 | ARIN | MNT-AIC-80 | 9/16/2021 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/198.40.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/198.40.16.0/20" | jq
External Links