Registered organisation
Vysoka skola banska - Technicka univerzita Ostrava
Address space registered to Vysoka skola banska - Technicka univerzita Ostrava, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
66,322
IPv6 /64s
196,619
Registered blocks
14
Countries
1
What this tells you
- Holds 66,322 IPv4 addresses and 196,619 IPv6 /64 networks across 14 registered blocks.
- Announced entirely by AS2852 CESNET z.s.p.o..
- All of the space we can place resolves to Czechia.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS2852 CESNET z.s.p.o. | 100% | 100% |
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.