AS20746 178.255.72.0/21 CIDR and IP Range Summary.ASN: 20746 - Telecom Italia S.p.A.Host Count: 2046Addressable IPs: 2048178.255.72.0/24178.255.73.0/24178.255.74.0/24178.255.75.0/24178.255.76.0/24178.255.77.0/24178.255.78.0/24178.255.79.0/24