AS7922 72.55.0.0/21 CIDR and IP Range Summary.ASN: 7922 - Comcast Cable Communications LLCHost Count: 2046Addressable IPs: 204872.55.0.0/2472.55.1.0/2472.55.2.0/2472.55.3.0/2472.55.4.0/2472.55.5.0/2472.55.6.0/2472.55.7.0/24