Registered organisation
British Telecommunications Limited
Address space registered to British Telecommunications Limited, and where it is announced from.
Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.
IPv4 addresses
12,816,448
IPv6 /64s
4,440,996,184,068
Registered blocks
291
Countries
22
What this tells you
- Holds 12,816,448 IPv4 addresses and 4,440,996,184,068 IPv6 /64 networks across 291 registered blocks.
- Announced by 6 networks, the largest being AS2856 British Telecommunications at 84% of the IPv4 space.
- Its space resolves to 22 countries, mostly United Kingdom (98% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS2856 British Telecommunications | 84% | 12% | |
| AS6871 Plusnet plc | 11% | 0.9% | |
| AS5400 British Telecommunications (International) | 5% | 87% | |
| AS13205 British Telecommunications Limited | 0.1% | - | |
| Everything else, including space not announced (2 more) | 0.4% | - |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| United Kingdom | 98% | 100% | |
| Germany | 2% | - | |
| Netherlands | 0.4% | - | |
| Everything else, including space we cannot place (19 more) | 0.2% | <0.1% |
Holding a block is a registry fact, not a physical one. The organisation named here is who the block is assigned to, which is often a customer of the network operator announcing it.