AS396253 163.120.72.0/21 CIDR and IP Range Summary.ASN: 396253 - ibossIncHost Count: 2046Addressable IPs: 2048163.120.72.0/24163.120.73.0/24163.120.74.0/24163.120.75.0/24163.120.76.0/24163.120.77.0/24163.120.78.0/24163.120.79.0/24