AS7922 50.221.56.0/21 CIDR and IP Range Summary.ASN: 7922 - Comcast Cable Communications LLCHost Count: 2046Addressable IPs: 204850.221.56.0/2450.221.57.0/2450.221.58.0/2450.221.59.0/2450.221.60.0/2450.221.61.0/2450.221.62.0/2450.221.63.0/24