Longest Match / Organisations

Registered organisation

Zayo Group UK Limited

Address space registered to Zayo Group 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
63,488
IPv6 /64s
34,359,738,369
Registered blocks
12
Countries
15

What this tells you

  • Holds 63,488 IPv4 addresses and 34,359,738,369 IPv6 /64 networks across 12 registered blocks.
  • Announced by 17 networks, the largest being AS6461 Zayo Bandwidth at 92% of the IPv4 space.
  • Its space resolves to 15 countries, mostly United Kingdom (91% of the IPv4 space).

Networks announcing this space

NetworkIPv4 shareIPv6 share
AS6461 Zayo Bandwidth92%13%
AS205111 ZOHO Corporation B.V1%-
AS35831 Vnetrix Ltd0.8%-
AS62021 Zayo Group, LLC0.8%-
AS201867 OXAGON LIMITED0.4%-
AS41612 Red Bee Media Limited0.4%-
AS197106 T. Rowe Price International LTD0.4%-
AS204242 Trutec Services0.4%-
Everything else, including space not announced (9 more)4%87%

Countries this space resolves to

CountryIPv4 shareIPv6 share
United Kingdom91%99%
France5%-
Germany2%<0.1%
Netherlands1%<0.1%
Canada0.4%-
United States0.1%0.2%
Everything else, including space we cannot place (9 more)0.6%-

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.