AS34339 POLFIN-AS Centrum Przetwarzania Danych Ministerstwa Finansow

POLFIN-AS Centrum Przetwarzania Danych Ministerstwa Finansow · registered in Poland

IPv4 addresses65,5368 prefixes · 0.002% of announced IPv4

Rank in Poland#26largest network in PL by IPv4 space, of 2,091 · 0.35% of PL

Rank worldwide#3,329of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS34339 in ASN lookup Look up an IP in this network (145.237.0.1) All networks in Poland

IPv4 prefixes

All 8 prefixes, in address order.

145.237.0.0/17
145.237.128.0/18
145.237.192.0/20
145.237.208.0/21
145.237.216.0/22
145.237.220.0/23
145.237.222.0/23
145.237.224.0/19

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS12324#23 LUBMAN-EDU-AS Maria Curie-Sklodowska University66,816

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

AS21111#25 CISG Ministerstwo Rozwoju i Technologii65,536

AS8970#27 WASK Wroclaw Centre of Networking and Supercomputing64,768

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

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