AS20746 89.31.48.0/21 CIDR and IP Range Summary.ASN: 20746 - Telecom Italia S.p.A.Host Count: 2046Addressable IPs: 204889.31.48.0/2489.31.49.0/2489.31.50.0/2489.31.51.0/2489.31.52.0/2489.31.53.0/2489.31.54.0/2489.31.55.0/24