AS6461 72.10.72.0/21 CIDR and IP Range Summary.ASN: 6461 - Zayo BandwidthHost Count: 2046Addressable IPs: 204872.10.72.0/2472.10.73.0/2472.10.74.0/2472.10.75.0/2472.10.76.0/2472.10.77.0/2472.10.78.0/2472.10.79.0/24