longest/match

Longest Match / Organisations

Registered organisation

SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF THE NATIONAL RESEARCH CENTRE "KURCHATOV INSTITUTE"

Address space registered to SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF THE NATIONAL RESEARCH CENTRE "KURCHATOV INSTITUTE", 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
293,376
IPv6 /64s
42,949,672,963
Registered blocks
20
Countries
2

What this tells you

  • Holds 293,376 IPv4 addresses and 42,949,672,963 IPv6 /64 networks across 20 registered blocks.
  • Announced by 62 networks, the largest being AS3267 National Research Computer Network of Russia at 38% of the IPv4 space.
  • Its space resolves to 2 countries, mostly Russia (99% of the IPv4 space).

Networks announcing this space

NetworkIPv4 shareIPv6 share
AS3267 National Research Computer Network of Russia38%20%
AS56534 Comfortel Ltd.6%-
AS44559 IT HOSTLINE LTD5%-
AS5567 National Research Tomsk Polytechnic University2%-
AS5480 State Educational institution for High professional education 'Southern Federal University'2%-
AS201848 Trader soft LLC2%-
AS9162 The State Educational Institution of Higher Vocational Education "Tambov State Technical University"1%<0.1%
AS29581 State Educational Institution of higher professional Education 'Altay State University' named after Polzunov I.I.1%<0.1%
AS51352 State Educational Institution of higher professional Education 'Vladimir State University'1.0%<0.1%
AS197467 Samara National Research University0.3%<0.1%
AS59714 Federal State Budgetary Educational Institution of Higher Education "Kurgan State University"0.3%<0.1%
Everything else, including space not announced (51 more)41%80%

Countries this space resolves to

CountryIPv4 shareIPv6 share
Russia99%100%
Everything else, including space we cannot place (1 more)<0.1%-

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.