AS6461 216.13.72.0/21 CIDR and IP Range Summary.ASN: 6461 - Zayo BandwidthHost Count: 2046Addressable IPs: 2048216.13.72.0/24216.13.73.0/24216.13.74.0/24216.13.75.0/24216.13.76.0/24216.13.77.0/24216.13.78.0/24216.13.79.0/24