AS163 170.225.0.0/21 CIDR and IP Range Summary.ASN: 163 - IBMHost Count: 2046Addressable IPs: 2048170.225.0.0/24170.225.1.0/24170.225.2.0/24170.225.3.0/24170.225.4.0/24170.225.5.0/24170.225.6.0/24170.225.7.0/24