AS210218 OpenFiber-Italy Open Fiber S.P.A.

OpenFiber-Italy Open Fiber S.P.A. · registered in Italy

IPv4 addresses150,528124 prefixes · 0.005% of announced IPv4

Rank in Italy#20largest network in IT by IPv4 space, of 1,081 · 0.29% of IT

Rank worldwide#1,328of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryItaly1,121 ASNs registered there

Open AS210218 in ASN lookup Look up an IP in this network (2.58.93.1) All networks in Italy

IPv4 prefixes

All 124 prefixes, in address order.

2.58.93.0/24
2.58.94.0/24
2.58.136.0/22
2.59.248.0/22
31.13.194.0/24
31.13.249.0/24
31.13.250.0/23
31.13.252.0/22
37.139.129.0/24
37.221.120.0/22
45.8.74.0/23
45.12.248.0/22
45.66.229.0/24
45.81.241.0/24
45.81.242.0/24
45.139.100.0/22
45.143.100.0/22
45.144.152.0/23
45.149.232.0/23
45.151.88.0/24
77.75.56.0/22
78.40.160.0/21
80.249.124.0/22
82.115.208.0/24
87.120.32.0/24
87.120.34.0/23
87.120.46.0/23
87.120.63.0/24
87.120.64.0/23
87.120.66.0/24
87.120.85.0/24
87.120.86.0/24
87.120.96.0/23
87.120.111.0/24
87.120.177.0/24
87.120.218.0/24
87.120.220.0/23
87.120.224.0/24
87.120.226.0/24
87.120.232.0/22
87.121.19.0/24
87.121.36.0/23
87.121.56.0/23
87.121.59.0/24
87.121.66.0/23
87.121.68.0/24
87.121.100.0/23
87.121.116.0/24
87.121.148.0/23
91.92.3.0/24
91.92.24.0/23
91.197.196.0/22
91.243.184.0/22
92.249.51.0/24
93.123.68.0/22
93.123.86.0/23
93.123.108.0/24
94.33.0.0/17
94.33.128.0/19
94.33.160.0/22
94.33.172.0/22
94.33.176.0/20
94.33.192.0/18
94.103.126.0/24
94.154.174.0/23
94.156.16.0/22
94.156.32.0/24
94.156.48.0/21
94.156.95.0/24
94.156.108.0/22
94.156.124.0/22
94.156.168.0/23
94.156.182.0/23
94.156.184.0/24
94.156.187.0/24
94.156.192.0/23
94.156.234.0/23
94.156.240.0/22
94.156.246.0/23
94.240.56.0/22
95.214.124.0/22
109.206.238.0/24
141.98.0.0/24
164.40.184.0/24
164.40.186.0/23
171.22.17.0/24
171.22.29.0/24
176.125.252.0/23
178.175.184.0/21
178.215.225.0/24
178.215.226.0/24
185.171.148.0/22
185.219.125.0/24
185.219.126.0/24
185.221.66.0/24
185.225.72.0/24
185.252.178.0/24
185.254.38.0/23
193.19.200.0/22
193.36.232.0/22
193.37.43.0/24
193.37.46.0/24
193.46.172.0/22
193.56.16.0/22
193.56.248.0/22
193.58.184.0/22
193.149.2.0/23
193.207.1.0/24
193.207.2.0/23
193.207.4.0/22
193.207.8.0/21
193.207.16.0/21
194.48.249.0/24
194.76.204.0/22
194.147.8.0/22
194.169.174.0/24
194.180.50.0/24
195.178.120.0/24
195.225.120.0/22
212.22.128.0/19
212.24.0.0/19
212.73.135.0/24
217.133.0.0/21
217.133.8.0/23

IPv6 prefixes

All 2 prefixes.

2a09:e6c0:8::/48
2a09:e6c7:f800::/48

Similar-sized networks in Italy

ASNNameIPv4 addresses

AS213677#17 FIBERCOP Fibercop S.p.A.197,632

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

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

AS198471#21 OPNET-AS Opnet Srl143,104

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

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

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