Registered organisation
SWAN, a.s.
Address space registered to SWAN, a.s., 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
333,824
IPv6 /64s
51,539,607,557
Registered blocks
47
Countries
3
What this tells you
- Holds 333,824 IPv4 addresses and 51,539,607,557 IPv6 /64 networks across 47 registered blocks.
- Announced by 25 networks, the largest being AS5578 SWAN, a.s. at 95% of the IPv4 space.
- Its space resolves to 3 countries, mostly Slovakia (100% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS5578 SWAN, a.s. | 95% | 100% | |
| AS58328 IMAFEX, s.r.o. | 2% | - | |
| AS206198 ELVISDK, s.r.o. | 0.5% | - | |
| AS48473 Towercom a.s. | 0.3% | - | |
| AS34462 DITEC, a.s. | 0.2% | - | |
| AS57801 SK-NIC, a.s. | 0.2% | - | |
| AS212974 TomaNet s.r.o. | 0.2% | - | |
| AS6855 Slovak Telekom, a.s. | 0.2% | - | |
| Everything else, including space not announced (17 more) | 2% | <0.1% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Slovakia | 100% | 100% | |
| Everything else, including space we cannot place (2 more) | <0.1% | - |
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.