AS3549 216.253.240.0/20 CIDR and IP Range Summary.ASN: 3549 - Level 3 Parent LLCHost Count: 4094Addressable IPs: 4096216.253.240.0/24216.253.241.0/24216.253.242.0/24216.253.243.0/24216.253.244.0/24216.253.245.0/24216.253.246.0/24216.253.247.0/24216.253.248.0/24216.253.249.0/24216.253.250.0/24216.253.251.0/24216.253.252.0/24216.253.253.0/24216.253.254.0/24216.253.255.0/24