AS44513 OPTIMA Optima Italia S.p.A.

OPTIMA Optima Italia S.p.A. · registered in Italy

IPv4 addresses21,50410 prefixes · <0.001% of announced IPv4

Rank in Italy#77largest network in IT by IPv4 space, of 1,081 · 0.04% of IT

Rank worldwide#5,905of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryItaly1,121 ASNs registered there

Open AS44513 in ASN lookup Look up an IP in this network (31.15.72.1) All networks in Italy

IPv4 prefixes

All 10 prefixes, in address order.

31.15.72.0/22
31.15.76.0/24
31.15.77.0/24
31.15.78.0/23
80.69.240.0/20
92.43.240.0/21
185.129.88.0/22
195.181.176.0/20
213.32.208.0/20
213.163.208.0/20

Similar-sized networks in Italy

ASNNameIPv4 addresses

AS64445#74 AS-NETJOIN NetJoin Srl22,272

AS8816#75 IT-STCOM Metrolink S.R.L.22,016

AS31319#76 ESTRACOM-AS ESTRACOM SPA21,504

AS15605#78 CONNESI Connesi s.p.a.20,992

AS213260#79 CWNET-AS cwnet s.r.l.20,480

AS57469#80 SWB-APB-AS Azienda Pubbliservizi Brunico19,968

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