AS56983 SWIDMAN-AS SWIDMAN S.C. Mariusz Bzowski, Dariusz Drelich

SWIDMAN-AS SWIDMAN S.C. Mariusz Bzowski, Dariusz Drelich · registered in Poland

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in Poland#306largest network in PL by IPv4 space, of 2,091 · 0.02% of PL

Rank worldwide#16,265of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS56983 in ASN lookup Look up an IP in this network (31.135.16.1) All networks in Poland

IPv4 prefixes

All 1 prefix, in address order.

31.135.16.0/20

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AS57665#307 EVIO-PL Horyzont Technologie Internetowe sp.z.o.o.4,096

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AS196883#309 MT-NETAS MT SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA4,096

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