| Network Description: | Concept House Site | |
| Organization: | The Patent Office / UNSPECIFIED | |
| Country of Network: |  United Kingdom |
| Prefix | Description | Country |
|---|---|---|
| 212.100.0.0/19 | The Patent Office | |
| 212.100.0.0/24 | Intellectual Property Office | |
| 212.100.1.0/24 | Concept House Site | |
| 212.100.2.0/23 | Concept House Site | |
| 212.100.4.0/24 | Concept House Site | |
| 212.100.5.0/24 | Concept House Site | |
| 212.100.6.0/23 | Concept House Site | |
| 212.100.8.0/21 | The Patent Office | |
| 212.100.16.0/20 | The Patent Office | |