AS13768 216.122.144.0/21 CIDR and IP Range Summary.ASN: 13768 - Aptum TechnologiesHost Count: 2046Addressable IPs: 2048216.122.144.0/24216.122.145.0/24216.122.146.0/24216.122.147.0/24216.122.148.0/24216.122.149.0/24216.122.150.0/24216.122.151.0/24