AS13768 216.157.0.0/21 CIDR and IP Range Summary.ASN: 13768 - Aptum TechnologiesHost Count: 2046Addressable IPs: 2048216.157.0.0/24216.157.1.0/24216.157.2.0/24216.157.3.0/24216.157.4.0/24216.157.5.0/24216.157.6.0/24216.157.7.0/24