Longest Match / Organisations

Registered organisation

JSC Mastertel

Address space registered to JSC Mastertel, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
48,896
IPv6 /64s
38,654,705,666
Registered blocks
34
Countries
1

What this tells you

  • Holds 48,896 IPv4 addresses and 38,654,705,666 IPv6 /64 networks across 34 registered blocks.
  • Announced by 10 networks, the largest being AS29226 MasterTel at 93% of the IPv4 space.
  • All of the space we can place resolves to Russia.

Networks announcing this space

NetworkIPv4 shareIPv6 share
AS29226 MasterTel93%100%
AS48349 ARQA Technologies LLC0.5%-
AS205482 Direct Mail LLC0.5%-
AS205567 Gemotest Laboratory LLC0.5%-
AS209188 Joint Stock Company Transmashholding0.5%-
AS215589 Joint Stock Company Varton0.5%-
AS205324 LLC Hyperglobus0.5%-
AS206968 PJSC Rosseti0.5%-
Everything else, including space not announced (2 more)4%-

Countries this space resolves to

CountryIPv4 shareIPv6 share
Russia100%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.