AS21064 OLMAN-COM-AS University of Warmia and Mazury in Olsztyn, Poland

OLMAN-COM-AS University of Warmia and Mazury in Olsztyn, Poland · registered in Poland

IPv4 addresses3,5845 prefixes · <0.001% of announced IPv4

Rank in Poland#340largest network in PL by IPv4 space, of 2,091 · 0.02% of PL

Rank worldwide#17,157of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS21064 in ASN lookup Look up an IP in this network (213.73.8.1) All networks in Poland

IPv4 prefixes

All 5 prefixes, in address order.

213.73.8.0/22
213.73.12.0/24
213.73.15.0/24
213.73.16.0/22
213.184.28.0/22

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AS49787#338 PL-STRONG-PC-AS STRONG-PC Tomasz Piekarski3,584

AS202050#339 STIMO STIMO.NET SP. Z O.O.3,584

AS31412#341 SMTVSAT-ASTRAL-AS STOWARZYSZENIE MILOSNIKOW TELEWIZJI SATELITARNEJ ASTRAL3,584

AS35787#342 IC-AS Miroslaw Backiel3,584

AS41023#343 ARREKS-AS AGENCJA ROZWOJU REGIONALNEGO "ARREKS" Sp z.o.o3,584

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