AS163 170.225.168.0/21 CIDR and IP Range Summary.ASN: 163 - IBMHost Count: 2046Addressable IPs: 2048170.225.168.0/24170.225.169.0/24170.225.170.0/24170.225.171.0/24170.225.172.0/24170.225.173.0/24170.225.174.0/24170.225.175.0/24