AS12663 47.73.16.0/21 CIDR and IP Range Summary.ASN: 12663 - Vodafone Italia S.p.A.Host Count: 2046Addressable IPs: 204847.73.16.0/2447.73.17.0/2447.73.18.0/2447.73.19.0/2447.73.20.0/2447.73.21.0/2447.73.22.0/2447.73.23.0/24