AS524 8.243.240.0/21 CIDR and IP Range Summary.ASN: 524 - Global Crossing Americas Solutions LLCHost Count: 2046Addressable IPs: 20488.243.240.0/248.243.241.0/248.243.242.0/248.243.243.0/248.243.244.0/248.243.245.0/248.243.246.0/248.243.247.0/24