AS524 8.243.224.0/21 CIDR and IP Range Summary.ASN: 524 - Global Crossing Americas Solutions LLCHost Count: 2046Addressable IPs: 20488.243.224.0/248.243.225.0/248.243.226.0/248.243.227.0/248.243.228.0/248.243.229.0/248.243.230.0/248.243.231.0/24