Registered organisation
Information System Authority
Address space registered to Information System Authority, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
20,480
IPv6 /64s
73,014,509,572
Registered blocks
11
Countries
1
What this tells you
- Holds 20,480 IPv4 addresses and 73,014,509,572 IPv6 /64 networks across 11 registered blocks.
- Announced by 2 networks, the largest being AS8240 Information System Authority Republic of Estonia at 90% of the IPv4 space.
- All of the space we can place resolves to Estonia.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS8240 Information System Authority Republic of Estonia | 90% | 53% | |
| AS56588 Information System Authority | 10% | 6% | |
| Not announced to the internet | - | 41% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Estonia | 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.