AS524 8.242.72.0/21 CIDR and IP Range Summary.ASN: 524 - Global Crossing Americas Solutions LLCHost Count: 2046Addressable IPs: 20488.242.72.0/248.242.73.0/248.242.74.0/248.242.75.0/248.242.76.0/248.242.77.0/248.242.78.0/248.242.79.0/24