| 134.90.152.0/21 | Kostroma Municipal Telephone Network |  |
| 146.247.32.0/21 | Kostroma Municipal Telephone Network | |
| 5.175.88.0/21 | Kostroma Municipal Telephone Network | |
| 46.42.0.0/18 | Kostroma Municipal Telephone Network | |
| 46.42.8.0/21 | OAO KGTS ADSL/HFE Users | |
| 46.42.16.0/21 | Kostroma Municipal Telephone Network | |
| 46.42.24.0/21 | OAO KGTS ADSL/HFE Users | |
| 46.42.32.0/21 | OAO KGTS ADSL/HFE Users | |
| 46.42.40.0/21 | OAO KGTS ADSL/HFE Users | |
| 46.228.96.0/20 | Kostroma Municipal Telephone Network | |
| 178.57.32.0/21 | OAO KGTS ADSL/HFE Users | |
| 178.57.40.0/21 | OAO KGTS ADSL/HFE Users | |
| 178.57.48.0/21 | OAO KGTS ADSL/HFE Users | |
| 185.16.56.0/22 | Kostroma Municipal Telephone Network | |
| 188.120.48.0/20 | Kostroma Municipal Telephone Network | |
| 194.58.160.0/21 | OAO KGTS ADSL/HFE Users | |
| 194.58.176.0/21 | OAO KGTS ADSL/HFE Users | |
