AS198471 OPNET-AS Opnet Srl

OPNET-AS Opnet Srl · registered in Italy

IPv4 addresses143,10448 prefixes · 0.005% of announced IPv4

Rank in Italy#21largest network in IT by IPv4 space, of 1,081 · 0.28% of IT

Rank worldwide#1,386of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryItaly1,121 ASNs registered there

Open AS198471 in ASN lookup Look up an IP in this network (5.2.0.1) All networks in Italy

IPv4 prefixes

All 48 prefixes, in address order.

5.2.0.0/20
5.102.0.0/20
5.102.16.0/21
5.102.24.0/22
5.102.28.0/23
5.102.30.0/23
37.34.40.0/21
37.77.112.0/21
37.77.120.0/22
37.77.124.0/23
37.77.126.0/23
46.182.88.0/21
46.227.0.0/22
51.179.0.0/19
51.179.32.0/20
51.179.48.0/21
51.179.56.0/22
51.179.64.0/19
51.179.96.0/20
51.179.112.0/21
51.179.120.0/23
51.179.122.0/24
51.179.123.0/24
51.179.124.0/22
62.170.0.0/17
62.170.128.0/18
62.170.192.0/18
78.110.184.0/21
78.159.200.0/21
78.159.208.0/22
78.159.212.0/23
78.159.214.0/24
79.171.160.0/23
79.171.162.0/24
79.171.163.0/24
79.171.164.0/22
83.98.80.0/20
109.235.156.0/22
109.236.16.0/20
176.32.16.0/20
178.21.96.0/24
178.21.98.0/23
185.5.60.0/23
185.5.63.0/24
185.17.51.0/24
188.95.17.0/24
188.95.18.0/23
188.95.20.0/23

Similar-sized networks in Italy

ASNNameIPv4 addresses

AS29286#18 SKYLOGIC-AS SKYLOGIC S.P.A.164,864

AS3313#19 INET-AS RETELIT-X S.R.L.158,208

AS210218#20 OpenFiber-Italy Open Fiber S.P.A.150,528

AS30848#22 IT-TWT-AS UNIDATA S.p.A.122,880

AS31263#23 MYNET-AS MYNET S.R.L.101,888

AS21056#24 ASN-WELCOMEITALIA Vianova S.p.A98,816

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