Longest Match / Organisations

Registered organisation

AT&T Japan K.K.

Address space registered to AT&T Japan K.K., 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
328,960
IPv6 /64s
8,590,983,171
Registered blocks
32
Countries
11

What this tells you

  • Holds 328,960 IPv4 addresses and 8,590,983,171 IPv6 /64 networks across 32 registered blocks.
  • Announced by 6 networks, the largest being AS2687 AT&T Enterprises, LLC at 92% of the IPv4 space.
  • Its space resolves to 11 countries, mostly Japan (87% of the IPv4 space).

Networks announcing this space

NetworkIPv4 shareIPv6 share
AS2687 AT&T Enterprises, LLC92%50%
AS18289 AT&T TAO Cloud Access Node0.3%-
AS134534 ATT NBE Equinix Singapore0.2%-
AS32787 Akamai (Prolexic)0.2%-
AS58414 Computershare Technology Services0.2%-
Everything else, including space not announced (1 more)7%50%

Countries this space resolves to

CountryIPv4 shareIPv6 share
Japan87%100%
Australia8%<0.1%
Hong Kong2%-
Singapore0.9%-
India0.8%-
Taiwan0.4%-
Philippines0.2%-
Everything else, including space we cannot place (4 more)0.3%-

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.