Registered organisation
Leissner Data AB
Address space registered to Leissner Data AB, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
18,176
IPv6 /64s
34,359,738,369
Registered blocks
7
Countries
2
What this tells you
- Holds 18,176 IPv4 addresses and 34,359,738,369 IPv6 /64 networks across 7 registered blocks.
- Announced by 4 networks, the largest being AS12597 Gotalandsnatet AB at 89% of the IPv4 space.
- Its space resolves to 2 countries, mostly Sweden (94% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS12597 Gotalandsnatet AB | 89% | 13% | |
| AS49292 Leissner Data AB | 6% | 2% | |
| AS3292 TDC Holding A/S | 3% | - | |
| AS24605 Fassberg Holding AB | 1% | - | |
| Not announced to the internet | 1% | 86% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Sweden | 94% | 98% | |
| Denmark | 6% | 2% |
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.