AS13768 216.157.32.0/21 CIDR and IP Range Summary.ASN: 13768 - Aptum TechnologiesHost Count: 2046Addressable IPs: 2048216.157.32.0/24216.157.33.0/24216.157.34.0/24216.157.35.0/24216.157.36.0/24216.157.37.0/24216.157.38.0/24216.157.39.0/24