66.158.0.0/17
🇺🇸CIDR
66.158.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Chicago
RIR
ARIN
Status
allocated
Allocated
7/30/2001
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.158.0.0/17 | AS6325ILLINOIS-CENTURY - Illinois Century Network | No ROA | RADB | 5/30/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.158.15.0/24 | AS6325ILLINOIS-CENTURY - Illinois Century Network | No ROA | — | 5/30/2026 |
| 66.158.46.0/24 | AS32344CSD99 - Community High School District 99 | No ROA | — | 5/30/2026 |
| 66.158.47.0/24 | AS32344CSD99 - Community High School District 99 | No ROA | — | 5/30/2026 |
| 66.158.58.0/24 | AS33248COE-AS - City of Evanston, Illinois | No ROA | — | 5/30/2026 |
| 66.158.65.0/24 | AS33248COE-AS - City of Evanston, Illinois | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS6325 | RADB | MAINT-AS6325 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/66.158.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.158.0.0/17" | jq
External Links