AS35130 SFERANET-AS REGISTER S.P.A.

SFERANET-AS REGISTER S.P.A. · registered in Italy

IPv4 addresses3,5843 prefixes · <0.001% of announced IPv4

Rank in Italy#308largest network in IT by IPv4 space, of 1,081 · <0.01% of IT

Rank worldwide#17,006of 79,396 networks with IPv4

IPv632,769 x /482 prefixes

CountryItaly1,121 ASNs registered there

Open AS35130 in ASN lookup Look up an IP in this network (80.91.48.1) All networks in Italy

IPv4 prefixes

All 3 prefixes, in address order.

80.91.48.0/21
80.91.56.0/23
185.196.160.0/22

IPv6 prefixes

All 2 prefixes.

2a02:6000::/33
2a02:6000:ffff::/48

Similar-sized networks in Italy

ASNNameIPv4 addresses

AS198434#305 NETALIA-AS NETALIA S.P.A.3,840

AS200583#306 InfoCert TINEXTA INFOCERT S.p.A3,840

AS43942#307 GRIFONLINE Grifonline S.r.l.3,584

AS13253#309 ISP-ASn4 Intesa Sanpaolo S.p.A.3,584

AS21058#310 ASN-NETWORKSISTEMI NETWORK SISTEMI S.R.L.3,584

AS44741#311 ALENANET Alena Net SRL3,584

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