| Range From | Range To | Organisation |
|---|---|---|
| 51.77.16.32 | 51.77.16.47 | |
| 51.77.16.48 | 51.77.16.63 | |
| 51.77.16.64 | 51.77.16.111 | |
| 51.77.16.112 | 51.77.16.119 | |
| 51.77.16.120 | 51.77.16.255 | |
| 51.77.17.0 | 51.77.17.255 | |
| 51.77.18.0 | 51.77.18.255 | |
| 51.77.19.0 | 51.77.19.223 | |
| 51.77.19.224 | 51.77.19.239 | |
| 51.77.19.240 | 51.77.19.247 |