Registered organisation
Brno University of Technology
Address space registered to Brno University of Technology, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
66,816
IPv6 /64s
34,360,066,051
Registered blocks
6
Countries
1
What this tells you
- Holds 66,816 IPv4 addresses and 34,360,066,051 IPv6 /64 networks across 6 registered blocks.
- Announced by 2 networks, the largest being AS197451 Brno University of Technology at 99% of the IPv4 space.
- All of the space we can place resolves to Czechia.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS197451 Brno University of Technology | 99% | 63% | |
| AS206785 Magistrat mesta Brna | 0.8% | - | |
| Not announced to the internet | 0.4% | 37% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Czechia | 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.