Longest Match / Organisations

Registered organisation

XTDef Limited

Address space registered to XTDef Limited, 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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.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
6,144
IPv6 /64s
4,296,081,408
Registered blocks
35
Countries
26

What this tells you

  • Holds 6,144 IPv4 addresses and 4,296,081,408 IPv6 /64 networks across 35 registered blocks.
  • Announced by 5 networks, the largest being AS203997 XTDef Limited at 71% of the IPv4 space.
  • Its space resolves to 26 countries, mostly Slovenia (21% of the IPv4 space).

Networks announcing this space

Space announced by a network covers 88% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.

NetworkIPv4 shareIPv6 share
AS203997 XTDef Limited81%100%
AS29802 HIVELOCITY, Inc.10%-
AS200017 Elisteka UAB5%-
AS984 Octopus Web Solution Inc.5%-
Everything else (1 more)-<0.1%

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
Slovenia21%<0.1%
Austria12%<0.1%
United States8%<0.1%
United Kingdom8%-
Hong Kong4%100%
Finland4%<0.1%
Croatia4%<0.1%
Luxembourg4%<0.1%
Everything else (18 more)33%<0.1%

An operator of the same name runs networks of its own: see XTDEF-Limited for the networks side of the same company.

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/xtdef-limited. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.