AS51906 146.66.224.0/21 CIDR and IP Range Summary.ASN: 51906 - recast IT GmbH & Co. KGHost Count: 2046Addressable IPs: 2048146.66.224.0/24146.66.225.0/24146.66.226.0/24146.66.227.0/24146.66.228.0/24146.66.229.0/24146.66.230.0/24146.66.231.0/24