AS20746 156.54.232.0/21 CIDR and IP Range Summary.ASN: 20746 - Telecom Italia S.p.A.Host Count: 2046Addressable IPs: 2048156.54.232.0/24156.54.233.0/24156.54.234.0/24156.54.235.0/24156.54.236.0/24156.54.237.0/24156.54.238.0/24156.54.239.0/24