Registered organisation
Cityfibre Limited
Address space registered to Cityfibre 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
12,288
IPv6 /64s
38,654,705,666
Registered blocks
15
Countries
1
What this tells you
- Holds 12,288 IPv4 addresses and 38,654,705,666 IPv6 /64 networks across 15 registered blocks.
- Announced by 4 networks, the largest being AS8468 Cityfibre Limited at 96% of the IPv4 space.
- All of the space we can place resolves to United Kingdom.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS8468 Cityfibre Limited | 96% | 67% | |
| AS16509 Amazon.com, Inc. | 2% | - | |
| AS204018 ENTANET International Limited | 2% | - | |
| AS3356 Lumen (Level 3) | - | 22% | |
| Not announced to the internet | - | 11% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| United Kingdom | 100% | 100% |
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.