Longest Match / Organisations

Registered organisation

Glaxo Wellcome UK Limited

Address space registered to Glaxo Wellcome UK 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.

IPv4 addresses
65,536
IPv6 /64s
-
Registered blocks
1
Countries
3

What this tells you

  • Holds 65,536 IPv4 addresses across 1 registered block.
  • Almost none of this space is announced to the internet: 2% of its IPv4 space appears in the routing table. Space can be held for decades without being used, and a legacy allocation this size is usually one of those.
  • Announced by 2 networks, the largest being AS824 GlaxoSmithKline at 1% of the IPv4 space.
  • Its space resolves to 3 countries, mostly United Kingdom (99% of the IPv4 space).

Networks announcing this space

NetworkIPv4 share
AS824 GlaxoSmithKline1%
AS10753 Level 3 Parent, LLC0.8%
Not announced to the internet98%

Countries this space resolves to

CountryIPv4 share
United Kingdom99%
Singapore0.8%
Everything else, including space we cannot place (1 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.