Registered organisation
Silesian University of Technology, Computer Centre
Address space registered to Silesian University of Technology, Computer Centre, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
74,752
IPv6 /64s
34,359,738,369
Registered blocks
6
Countries
1
What this tells you
- Holds 74,752 IPv4 addresses and 34,359,738,369 IPv6 /64 networks across 6 registered blocks.
- Announced by 5 networks, the largest being AS8508 Silesian University of Technology, Computer Centre at 66% of the IPv4 space.
- All of the space we can place resolves to Poland.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS8508 Silesian University of Technology, Computer Centre | 66% | 50% | |
| AS35434 PirxNet Grzegorz Bialas | 26% | - | |
| AS51175 Multiplay Sp. z o.o. | 5% | - | |
| AS62031 Tomasz Gasior trading as Sownet | 1% | - | |
| AS202220 Obsluga pc P.Dudzinski P.Jablonski P.Ral. B.Miller s.c. | 0.7% | - | |
| Not announced to the internet | 1% | 50% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Poland | 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.