Registered organisation
University College London
Address space registered to University College London, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
263,168
IPv6 /64s
34,359,803,906
Registered blocks
7
Countries
1
What this tells you
- Holds 263,168 IPv4 addresses and 34,359,803,906 IPv6 /64 networks across 7 registered blocks.
- One network announces this space, AS786 Jisc Services Limited, covering 81% of the IPv4 space.
- All of the space we can place resolves to United Kingdom.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS786 Jisc Services Limited | 81% | 100% | |
| Not announced to the internet | 19% | <0.1% |
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.