AS15663 UMBRIA_NET Umbrianet S.R.L.

UMBRIA_NET Umbrianet S.R.L. · registered in Italy

IPv4 addresses9,2162 prefixes · <0.001% of announced IPv4

Rank in Italy#155largest network in IT by IPv4 space, of 1,081 · 0.02% of IT

Rank worldwide#9,600of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryItaly1,121 ASNs registered there

Open AS15663 in ASN lookup Look up an IP in this network (185.203.76.1) All networks in Italy

IPv4 prefixes

All 2 prefixes, in address order.

185.203.76.0/22
212.39.0.0/19

Similar-sized networks in Italy

ASNNameIPv4 addresses

AS203201#152 IT-SUPERNAP INFRASTRUCTURE ITALIA COLO S.R.L.9,216

AS8265#153 FASTNET-BKB-ASN FASTNET S.R.L.9,216

AS59919#154 BRAINBOX Brainbox S.r.l.9,216

AS28831#156 PHOENIX-AS Phoenix Informatica SRL9,216

AS33942#157 IREN-ENERGIA-AS IREN ENERGIA S.P.A9,216

AS197954#158 ASN-AMBROGIO Ambrogio s.r.l.9,216

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