All IP Ranges › 66.0.0.0/8
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|
| 66.99.0.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.5.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.6.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.8.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.12.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.13.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.16.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.51.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.52.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.240.0/24 | United States (100%) | 1 | 1 | 1 |
| 66.99.242.0/24 | United States (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|
66.99.0.0 – 66.99.4.255 | AS6325 | Illinois Century Network | US |
66.99.5.0 – 66.99.5.255 | AS19480 | CHICAGO PUBLIC LIBRARY | US |
66.99.6.0 – 66.99.7.255 | AS6325 | Illinois Century Network | US |
66.99.8.0 – 66.99.11.255 | AS19941 | Concordia University Chicago | US |
66.99.12.0 – 66.99.12.255 | AS6325 | Illinois Century Network | US |
66.99.13.0 – 66.99.15.255 | AS10308 | Northeastern Illinois University | US |
66.99.16.0 – 66.99.50.255 | AS6325 | Illinois Century Network | US |
66.99.51.0 – 66.99.51.255 | AS402166 | Mannheim School District 83 | US |
66.99.52.0 – 66.99.239.255 | AS6325 | Illinois Century Network | US |
66.99.240.0 – 66.99.241.255 | AS46286 | Cook County | US |
66.99.242.0 – 66.99.255.255 | AS6325 | Illinois Century Network | US |