AS6461 172.110.72.0/21 CIDR and IP Range Summary.ASN: 6461 - Zayo BandwidthHost Count: 2046Addressable IPs: 2048172.110.72.0/24172.110.73.0/24172.110.74.0/24172.110.75.0/24172.110.76.0/24172.110.77.0/24172.110.78.0/24172.110.79.0/24