Registered organisation
Radboud Universiteit Nijmegen
Address space registered to Radboud Universiteit Nijmegen, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
174,656
IPv6 /64s
65,537
Registered blocks
14
Countries
1
What this tells you
- Holds 174,656 IPv4 addresses and 65,537 IPv6 /64 networks across 14 registered blocks.
- Announced entirely by AS1103 SURF B.V..
- All of the space we can place resolves to Netherlands.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS1103 SURF B.V. | 100% | 100% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Netherlands | 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.