Longest Match / Organisations

Registered organisation

NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY

Address space registered to NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY, 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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.

What this tells you

• Holds 334,288 IPv4 addresses and 38,654,902,272 IPv6 /64 networks across 52 registered blocks.
• Announced by 28 networks, the largest being AS1887 NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY at 97% of the IPv4 space.
• All of the space we can place resolves to Poland.

Networks announcing this space

Space announced by a network covers 100% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.

Network	IPv4 share	IPv6 share
AS1887 NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY	97%	100%
AS60877 ITCARD SPOLKA AKCYJNA	0.3%	-
AS42619 Promontel Sp. z o.o.	0.3%	-
AS49035 Mikrolan Sp. z o.o.	0.2%	-
AS202121 Politechnika Warszawska Filia w Plocku	0.2%	-
AS59948 StarNet Telecom Sp. z o.o.	0.2%	-
AS209314 Akademia Sztuk Pieknych w Warszawie	0.2%	-
AS34826 Autopay S.A.	0.2%	-
Everything else (20 more)	2%	<0.1%

Countries this space resolves to

Space we can place in a country covers 100% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.

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.

Every figure on this page is also JSON: /api/v2/directory/org/naukowa-i-akademicka-siec-komputerowa-panstwowy-instytu-5815e094. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.