163.171.0.0/18
- Updated 11 Jun 2026 07:58 Thu
| Network Description: | ||
| Organization: | Her Majesty's Revenue and Customs / HMRC-AS | |
| Also Known As: | HMRC | |
| Country of Network: |  United Kingdom | |
| Company Website: | http://www.hmrc.gov.uk |
| Prefix | Description | Country |
|---|---|---|
| 163.171.0.0/18 | Her Majesty's Revenue and Customs | |