AS577 216.18.72.0/21 CIDR and IP Range Summary.ASN: 577 - Bell CanadaHost Count: 2046Addressable IPs: 2048216.18.72.0/24216.18.73.0/24216.18.74.0/24216.18.75.0/24216.18.76.0/24216.18.77.0/24216.18.78.0/24216.18.79.0/24