| 146.80.0.0/16 | UK Defence Science and Technology Laboratory |  |
| 146.80.128.0/19 | UK Defence Science and Technology Laboratory | |
| 146.80.160.0/19 | UK Defence Science and Technology Laboratory | |
| 146.80.192.0/23 | UK Defence Science and Technology Laboratory | |
| 146.80.194.0/23 | UK Defence Science and Technology Laboratory | |
| 192.5.28.0/24 | UK Defence Science and Technology Laboratory | |
| 192.5.29.0/24 | UK Defence Science and Technology Laboratory | |
| 192.5.30.0/24 | UK Defence Science and Technology Laboratory | |
| 192.35.94.0/24 | UK Defence Science and Technology Laboratory | |
| 192.67.43.0/24 | UK Defence Science and Technology Laboratory | |
| 192.107.178.0/24 | UK Defence Science and Technology Laboratory | |
| 192.149.120.0/24 | UK Defence Science and Technology Laboratory | |
| 194.32.69.0/24 | UK Defence Science and Technology Laboratory | |
| 194.32.218.0/23 | UK Defence Science and Technology Laboratory | |
| 194.34.138.0/24 | UK Defence Science and Technology Laboratory | |
| 194.61.92.0/23 | UK Defence Science and Technology Laboratory | |
| 194.61.94.0/24 | UK Defence Science and Technology Laboratory | |