AS201019 P4NET_POZ P4 Sp. z o.o.

P4NET_POZ P4 Sp. z o.o. · registered in Poland

IPv4 addresses74,7523 prefixes · 0.002% of announced IPv4

Rank in Poland#20largest network in PL by IPv4 space, of 2,091 · 0.40% of PL

Rank worldwide#2,305of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryPoland2,145 ASNs registered there

Open AS201019 in ASN lookup Look up an IP in this network (5.173.224.1) All networks in Poland

IPv4 prefixes

All 3 prefixes, in address order.

5.173.224.0/19
185.89.184.0/22
188.33.0.0/16

IPv6 prefixes

All 1 prefix.

2a00:1982::/32

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ASNNameIPv4 addresses

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AS1887#18 NASK-ACADEMIC NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY78,592

AS8267#19 CYFRONET-AS Academic Computer Centre CYFRONET AGH76,544

AS43118#21 EAW-AS East & West Sp. z o.o.74,752

AS29522#22 CF-KRK Cyber_Folks S.A.71,936

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

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