AS163 170.225.208.0/21 CIDR and IP Range Summary.ASN: 163 - IBMHost Count: 2046Addressable IPs: 2048170.225.208.0/24170.225.209.0/24170.225.210.0/24170.225.211.0/24170.225.212.0/24170.225.213.0/24170.225.214.0/24170.225.215.0/24