Registered organisation
Pavel Zizka
Address space registered to Pavel Zizka, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
5,120
IPv6 /64s
68,719,476,738
Registered blocks
10
Countries
2
What this tells you
- Holds 5,120 IPv4 addresses and 68,719,476,738 IPv6 /64 networks across 10 registered blocks.
- One network announces this space, AS200918 Pavel Zizka, covering 100% of the IPv4 space.
- Its space resolves to 2 countries, mostly Czechia (80% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS200918 Pavel Zizka | 100% | 50% | |
| Not announced to the internet | - | 50% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Czechia | 80% | 100% | |
| Poland | 20% | - |
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.