AS199279 SILWEB-AS-PEERINGS Silesian University of Technology, Computer Centre

SILWEB-AS-PEERINGS Silesian University of Technology, Computer Centre · registered in Poland

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Poland#1,818largest network in PL by IPv4 space, of 2,091 · <0.01% of PL

Rank worldwide#73,097of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS199279 in ASN lookup Look up an IP in this network (83.230.94.1) All networks in Poland

IPv4 prefixes

All 1 prefix, in address order.

83.230.94.0/24

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ASNNameIPv4 addresses

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AS199252#1817 PCBOOT-AS "PCBOOT" USLUGI INFORMATYCZNO-INTERNETOWE RAFAL WILK256

AS199369#1819 FREENET Freenet Telecom Sp. z o.o.256

AS199371#1820 ASN-PL-PESA Pojazdy Szynowe PESA Bydgoszcz S.A.256

AS199381#1821 DATAMAX-AS DATAMAX Artur Cebula256

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