AS163 198.151.0.0/21 CIDR and IP Range Summary.ASN: 163 - IBMHost Count: 2046Addressable IPs: 2048198.151.0.0/24198.151.1.0/24198.151.2.0/24198.151.3.0/24198.151.4.0/24198.151.5.0/24198.151.6.0/24198.151.7.0/24