Longest Match / Organisations

Registered organisation

Universidade de Coimbra

Address space registered to Universidade de Coimbra, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
21,275
IPv6 /64s
65,541
Registered blocks
45
Countries
1

What this tells you

Networks announcing this space

NetworkIPv4 shareIPv6 share
AS1930 Fundacao para a Ciencia e a Tecnologia, I.P.99%100%
Not announced to the internet<0.1%-

Countries this space resolves to

CountryIPv4 shareIPv6 share
Portugal100%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.