AS3549 192.221.248.0/21 CIDR and IP Range Summary.ASN: 3549 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048192.221.248.0/24192.221.249.0/24192.221.250.0/24192.221.251.0/24192.221.252.0/24192.221.253.0/24192.221.254.0/24192.221.255.0/24