Longest Match / Organisations

Registered organisation

International Business Machines Corporation

Address space registered to International Business Machines Corporation, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
4,554,752
IPv6 /64s
34,359,738,369
Registered blocks
38
Countries
14

What this tells you

  • Holds 4,554,752 IPv4 addresses and 34,359,738,369 IPv6 /64 networks across 38 registered blocks.
  • 43% of this organisation's IPv4 space is announced. The rest is registered to them and not currently routed.
  • One network announces this space, AS36351 IBM Cloud, covering 43% of the IPv4 space.
  • Its space resolves to 14 countries, mostly United States (91% of the IPv4 space).

Networks announcing this space

NetworkIPv4 share
AS36351 IBM Cloud43%
Not announced to the internet57%

Countries this space resolves to

CountryIPv4 shareIPv6 share
United States91%100%
Australia2%-
Germany2%-
Japan1%-
Brazil0.7%-
United Kingdom0.4%-
France0.4%-
Canada0.4%-
Everything else, including space we cannot place (6 more)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.