Data as of Nov 6, 2026
Autonomous system
AS13205
British Telecommunications Limited
Announces 16,896 addresses in 14 prefixes. None of it is anonymizer space.
Type
Hosting
GB
Announced prefixes
| Prefix | Type | RPKI |
|---|---|---|
| 31.11.56.0/23 since Mar 2013 | Hosting | |
| 78.109.0.0/20 since Dec 2020 | Hosting | |
| 78.109.0.0/24 since Sep 2014 | Hosting | |
| 78.109.5.0/24 since Sep 2014 | Hosting | |
| 78.109.6.0/24 since May 2011 | Hosting | |
| 78.109.7.0/24 since Jan 2014 | Hosting | |
| 78.109.9.0/24 since Jul 2014 | Hosting | |
| 78.109.10.0/24 since Jul 2010 | Hosting | |
| 78.109.11.0/24 since Jul 2010 | Hosting | |
| 217.140.0.0/20 since Dec 2020 | Hosting | |
| 217.140.12.0/22 since May 2005 | Hosting | |
| 217.140.12.0/24 since Jun 2019 | Hosting | |
| 217.140.13.0/24 since Sep 2019 | Hosting | |
| 217.140.32.0/19 since May 2005 | Hosting |
Network & history
Profile
- Registered
- May 4, 2000
- Domain
- bt.com
- Industry
- Hosting, Cloud Provider, Data Center, Server Colocation
Routing patterns
How its announcements have moved
Arrivals