AS13768 216.157.24.0/21 CIDR and IP Range Summary.ASN: 13768 - Aptum TechnologiesHost Count: 2046Addressable IPs: 2048216.157.24.0/24216.157.25.0/24216.157.26.0/24216.157.27.0/24216.157.28.0/24216.157.29.0/24216.157.30.0/24216.157.31.0/24