Longest Match / Organisations

Registered organisation

Organisation Internationale de Normalisation (ISO)

Address space registered to Organisation Internationale de Normalisation (ISO), 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
49,152
IPv6 /64s
-
Registered blocks
1
Countries
1

What this tells you

  • Holds 49,152 IPv4 addresses across 1 registered block.
  • One network announces this space, AS3303 Swisscom (Schweiz) AG, covering 67% of the IPv4 space.
  • All of the space we can place resolves to Switzerland.

Networks announcing this space

NetworkIPv4 share
AS3303 Swisscom (Schweiz) AG67%
Not announced to the internet33%

Countries this space resolves to

CountryIPv4 share
Switzerland100%

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.