Registered organisation
Technische Universitaet Dortmund
Address space registered to Technische Universitaet Dortmund, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
67,840
IPv6 /64s
-
Registered blocks
3
Countries
1
What this tells you
- Holds 67,840 IPv4 addresses across 3 registered blocks.
- Announced by 2 networks, the largest being AS680 Deutsches Forschungsnetz (DFN) at 99% of the IPv4 space.
- All of the space we can place resolves to Germany.
Networks announcing this space
| Network | IPv4 share | |
|---|---|---|
| AS680 Deutsches Forschungsnetz (DFN) | 99% | |
| AS29484 Ruhr-Universitaet Bochum | 0.4% |
Countries this space resolves to
| Country | IPv4 share | |
|---|---|---|
| Germany | 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.