| 83.222.0.0/19 | The whole IPv4 address space |  |
| 83.222.2.0/24 | Masterhost is a hosting and technical support organization. | |
| 83.222.3.0/24 | Masterhost is a hosting and technical support organization. | |
| 83.222.4.0/24 | Masterhost is a hosting and technical support organization. | |
| 83.222.5.0/24 | Masterhost is a hosting and technical support organization. | |
| 83.222.14.0/24 | Masterhost is a hosting and technical support organization. | |
| 83.222.15.0/24 | Masterhost is a hosting and technical support organization. | |
| 83.222.17.0/24 | Masterhost | |
| 83.222.19.0/24 | Network for virtual private servers hosting. | |
| 87.242.64.0/18 | The whole IPv4 address space | |
| 87.242.72.0/24 | Masterhost is a hosting and technical support organization. | |
| 87.242.73.0/24 | Masterhost is a hosting and technical support organization. | |
| 87.242.74.0/24 | Masterhost is a hosting and technical support organization. | |
| 87.242.75.0/24 | Masterhost is a hosting and technical support organization. | |
| 87.242.76.0/24 | Masterhost is a hosting and technical support organization. | |
| 87.242.77.0/24 | Masterhost is a hosting and technical support organization. | |
| 87.242.78.0/24 | Masterhost is a hosting and technical support organization. | |
| 87.242.79.0/24 | Masterhost is a hosting and technical support organization. | |
| 87.242.80.0/24 | Besides, the company provides technical support for their clients. | |
| 87.242.81.0/24 | Masterhost | |
| 87.242.82.0/24 | Masterhost | |
| 87.242.83.0/24 | Masterhost | |
| 87.242.100.0/22 | Masterhost | |
| 87.242.104.0/22 | Masterhost | |
| 90.156.128.0/17 | The whole IPv4 address space | |
| 90.156.128.0/24 | Regtime Ltd, Samara, domain name registrar, hosting provider | |
| 90.156.140.0/24 | Masterhost | |
| 90.156.204.0/22 | Masterhost | |
| 90.156.236.0/24 | Masterhost is a hosting and technical support organization. | |
| 90.156.252.0/22 | Masterhost | |
| 217.16.16.0/20 | Masterhost | |
| 217.16.18.0/24 | Masterhost is a hosting and technical support organization. | |
| 217.16.26.0/24 | Masterhost is a hosting and technical support organization. | |
| 217.16.27.0/24 | Masterhost is a hosting and technical support organization. | |
| 217.16.28.0/24 | Masterhost is a hosting and technical support organization. | |
| 83.222.0.0/22 | Masterhost | |
| 83.222.4.0/23 | Masterhost is a hosting and technical support organization. | |
| 83.222.12.0/22 | Masterhost | |
| 83.222.12.0/24 | Masterhost is a hosting and technical support organization. | |
| 83.222.13.0/24 | Masterhost is a hosting and technical support organization. | |
| 83.222.16.0/21 | Masterhost | |
| 83.222.24.0/22 | Masterhost | |
| 83.222.28.0/23 | Masterhost | |
| 87.242.64.0/23 | Masterhost | |
| 87.242.67.0/24 | Masterhost.ru is a hosting and technical support organization. | |
| 87.242.68.0/22 | Masterhost | |
| 87.242.72.0/21 | Masterhost is a hosting and technical support organization. | |
| 87.242.80.0/22 | Masterhost | |
| 87.242.96.0/23 | Masterhost | |
| 87.242.104.0/21 | Masterhost | |
| 87.242.110.0/24 | MasterHost Windows-based services | |
| 87.242.112.0/22 | Masterhost | |
| 87.242.113.0/24 | MasterHost Windows-based services | |
| 87.242.115.0/24 | MasterHost Windows-based services | |
| 90.156.128.0/20 | Masterhost | |
| 90.156.129.0/24 | Masterhost | |
| 90.156.139.0/24 | Masterhost | |
| 90.156.141.0/24 | Masterhost | |
| 90.156.142.0/24 | Masterhost | |
| 90.156.143.0/24 | Masterhost | |
| 90.156.146.0/23 | MasterHost VPS services | |
| 90.156.147.0/24 | MasterHost VPS services | |
| 90.156.152.0/22 | Masterhost | |
| 90.156.152.0/24 | .masterhost | |
| 90.156.153.0/24 | Masterhost.ru is a hosting and technical support organization. | |
| 90.156.156.0/23 | Masterhost | |
| 90.156.157.0/24 | Masterhost | |
| 90.156.168.0/21 | Masterhost | |
| 90.156.200.0/21 | Masterhost | |
| 90.156.200.0/24 | Masterhost.ru is a hosting and technical support organization. | |
| 90.156.201.0/24 | Masterhost.ru is a hosting and technical support organization. | |
| 90.156.216.0/21 | Masterhost | |
| 90.156.240.0/20 | Masterhost | |
| 217.16.25.0/24 | Masterhost | |
