AS20746 156.54.192.0/21 CIDR and IP Range Summary.ASN: 20746 - Telecom Italia S.p.A.Host Count: 2046Addressable IPs: 2048156.54.192.0/24156.54.193.0/24156.54.194.0/24156.54.195.0/24156.54.196.0/24156.54.197.0/24156.54.198.0/24156.54.199.0/24