AS8970 WASK Wroclaw Centre of Networking and Supercomputing

WASK Wroclaw Centre of Networking and Supercomputing · registered in Poland

IPv4 addresses64,76812 prefixes · 0.002% of announced IPv4

Rank in Poland#27largest network in PL by IPv4 space, of 2,091 · 0.34% of PL

Rank worldwide#3,502of 79,396 networks with IPv4

IPv661,440 x /484 prefixes

CountryPoland2,145 ASNs registered there

Open AS8970 in ASN lookup Look up an IP in this network (156.17.0.1) All networks in Poland

IPv4 prefixes

All 12 prefixes, in address order.

156.17.0.0/17
156.17.128.0/18
156.17.192.0/21
156.17.200.0/24
156.17.202.0/23
156.17.205.0/24
156.17.206.0/23
156.17.208.0/22
156.17.212.0/23
156.17.214.0/24
156.17.216.0/21
156.17.224.0/19

IPv6 prefixes

All 4 prefixes.

2001:a48::/33
2001:a48:9000::/36
2001:a48:a000::/35
2001:a48:c000::/34

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS5550#24 TASK-AS Technical University of Gdansk, Academic Computer Center TASK65,536

AS21111#25 CISG Ministerstwo Rozwoju i Technologii65,536

AS34339#26 POLFIN-AS Centrum Przetwarzania Danych Ministerstwa Finansow65,536

AS9112#28 POZMAN Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center60,160

AS35191#29 ASTA-NET ASTA-NET S.A.58,368

AS15694#30 ATMAN-ISP-AS Atman Sp. z o.o.53,248

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources