Longest Match / Organisations

Registered organisation

Wroclaw Centre of Networking and Supercomputing

Address space registered to Wroclaw Centre of Networking and Supercomputing, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.

What this tells you

• Holds 91,136 IPv4 addresses and 4,294,967,297 IPv6 /64 networks across 5 registered blocks.
• Announced by 7 networks, the largest being AS8970 Wroclaw Centre of Networking and Supercomputing at 95% of the IPv4 space.
• All of the space we can place resolves to Poland.

Networks announcing this space

Network	IPv4 share	IPv6 share
AS8970 Wroclaw Centre of Networking and Supercomputing	95%	100%
AS35179 Korbank S. A.	3%	-
AS205706 Legnica Municipal Office	1%	-
AS210573 Research Network Lukasiewicz - PORT Polish Center for Technology Development	0.3%	-
AS206632 Urzad Marszalkowski Wojewodztwa Dolnoslaskiego	0.3%	-
AS209619 4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw	0.3%	-
AS210262 Miejskie Przedsiebiorstwo Wodociagow i Kanalizacji S.A.	0.3%	-

Countries this space resolves to

Country	IPv4 share	IPv6 share
Poland	100%	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.