Registered organisation
Masarykova univerzita - Ustav vypocetni techniky
Address space registered to Masarykova univerzita - Ustav vypocetni techniky, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
69,632
IPv6 /64s
4,294,967,297
Registered blocks
3
Countries
1
What this tells you
- Holds 69,632 IPv4 addresses and 4,294,967,297 IPv6 /64 networks across 3 registered blocks.
- Announced by 2 networks, the largest being AS2852 CESNET z.s.p.o. at 94% of the IPv4 space.
- 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. | 94% | - | |
| AS198500 Masarykova univerzita - Ustav vypocetni techniky | 6% | 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.