AS13768 216.187.72.0/21 CIDR and IP Range Summary.ASN: 13768 - Aptum TechnologiesHost Count: 2046Addressable IPs: 2048216.187.72.0/24216.187.73.0/24216.187.74.0/24216.187.75.0/24216.187.76.0/24216.187.77.0/24216.187.78.0/24216.187.79.0/24