Registered organisation
University of York
Address space registered to University of York, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
66,056
IPv6 /64s
65,539
Registered blocks
5
Countries
2
What this tells you
- Holds 66,056 IPv4 addresses and 65,539 IPv6 /64 networks across 5 registered blocks.
- Announced by 2 networks, the largest being AS786 Jisc Services Limited at 100% of the IPv4 space.
- Its space resolves to 2 countries, mostly United Kingdom (100% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS786 Jisc Services Limited | 100% | 100% | |
| Everything else, including space not announced (1 more) | <0.1% | <0.1% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| United Kingdom | 100% | 100% | |
| Everything else, including space we cannot place (1 more) | <0.1% | <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.