AS3549 216.253.96.0/21 CIDR and IP Range Summary.ASN: 3549 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048216.253.96.0/24216.253.97.0/24216.253.98.0/24216.253.99.0/24216.253.100.0/24216.253.101.0/24216.253.102.0/24216.253.103.0/24