Registered organisation
University of Reading
Address space registered to University of Reading, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
66,560
IPv6 /64s
65,537
Registered blocks
5
Countries
2
What this tells you
- Holds 66,560 IPv4 addresses and 65,537 IPv6 /64 networks across 5 registered blocks.
- Announced by 2 networks, the largest being AS786 Jisc Services Limited at 99% of the IPv4 space.
- Its space resolves to 2 countries, mostly United Kingdom (99% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS786 Jisc Services Limited | 99% | - | |
| AS198723 University of Reading | 0.8% | 100% | |
| Not announced to the internet | 0.4% | - |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| United Kingdom | 99% | - | |
| Malaysia | 0.8% | 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.