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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.
What this tells you
- Holds 12,816,448 IPv4 addresses and 4,440,996,184,064 IPv6 /64 networks across 291 registered blocks.
- Announced by 7 networks, the largest being AS2856 British Telecommunications at 84% of the IPv4 space.
- Its space resolves to 2 countries, mostly United Kingdom (100% of the IPv4 space).
Networks announcing this space
Space announced by a network covers 100% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that 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 | 0.5% | - | |
| Everything else (3 more) | <0.1% | - |
Countries this space resolves to
Space we can place in a country covers 100% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| United Kingdom | 100% | 100% | |
| Everything else (1 more) | <0.1% | - |
An operator of the same name runs networks of its own: see British Telecommunications Limited for the networks side of the same company.
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.
Every figure on this page is also JSON: /api/v2/directory/org/british-telecommunications-limited. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.