66.99.240.0/23
🇺🇸CIDR
66.99.240.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Chicago (Loop)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.99.240.0/23 | AS46286COOK-COUNTY - Cook County | No ROA | RADB | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.99.0.0/16 | AS6325ILLINOIS-CENTURY - Illinois Century Network | No ROA | — | 5/31/2026 |
| 66.99.128.0/17 | AS6325ILLINOIS-CENTURY - Illinois Century Network | No ROA | — | 5/31/2026 |
| 66.99.192.0/18 | AS6325ILLINOIS-CENTURY - Illinois Century Network | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS46286 | RADB | MAINT-AS6325 | 11/13/2023 |
Origin ASN
AS46286
COOK-COUNTY - Cook County
Geolocation
API
Open https://api.ipctl.io/v1/prefix/66.99.240.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.99.240.0/23" | jq
External Links