AS6461 216.123.72.0/21 CIDR and IP Range Summary.ASN: 6461 - Zayo BandwidthHost Count: 2046Addressable IPs: 2048216.123.72.0/24216.123.73.0/24216.123.74.0/24216.123.75.0/24216.123.76.0/24216.123.77.0/24216.123.78.0/24216.123.79.0/24