AS13768 216.152.128.0/21 CIDR and IP Range Summary.ASN: 13768 - Aptum TechnologiesHost Count: 2046Addressable IPs: 2048216.152.128.0/24216.152.129.0/24216.152.130.0/24216.152.131.0/24216.152.132.0/24216.152.133.0/24216.152.134.0/24216.152.135.0/24