AS30731 MAZUR-AS Uslugi Informatyczne Wieslaw Mazur

MAZUR-AS Uslugi Informatyczne Wieslaw Mazur · registered in Poland

IPv4 addresses1,7923 prefixes · <0.001% of announced IPv4

Rank in Poland#575largest network in PL by IPv4 space, of 2,091 · <0.01% of PL

Rank worldwide#25,167of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS30731 in ASN lookup Look up an IP in this network (91.236.130.1) All networks in Poland

IPv4 prefixes

All 3 prefixes, in address order.

91.236.130.0/24
195.22.96.0/22
195.254.138.0/23

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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