Longest Match / Organisations

Registered organisation

Vienna University

Address space registered to Vienna University, 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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.

IPv4 addresses
115,264
IPv6 /64s
8,589,934,592
Registered blocks
33
Countries
1

What this tells you

  • Holds 115,264 IPv4 addresses and 8,589,934,592 IPv6 /64 networks across 33 registered blocks.
  • Announced by 2 networks, the largest being AS760 Vienna University at 86% of the IPv4 space.
  • All of the space we can place resolves to Austria.

Networks announcing this space

Space announced by a network covers 99% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.

NetworkIPv4 shareIPv6 share
AS760 Vienna University87%-
AS1853 ACONET13%100%

Countries this space resolves to

Space we can place in a country covers 100% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.

CountryIPv4 shareIPv6 share
Austria100%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.

Every figure on this page is also JSON: /api/v2/directory/org/vienna-university. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.