Registered organisation
Johannes Gutenberg-Universitaet Mainz
Address space registered to Johannes Gutenberg-Universitaet Mainz, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
69,888
IPv6 /64s
4,294,967,297
Registered blocks
4
Countries
1
What this tells you
- Holds 69,888 IPv4 addresses and 4,294,967,297 IPv6 /64 networks across 4 registered blocks.
- Announced entirely by AS2857 Johannes Gutenberg-Universitaet Mainz.
- All of the space we can place resolves to Germany.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS2857 Johannes Gutenberg-Universitaet Mainz | 99% | 100% | |
| Not announced to the internet | 0.4% | - |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Germany | 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.