AS3356 66.243.144.0/20 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 4094Addressable IPs: 409666.243.144.0/2466.243.145.0/2466.243.146.0/2466.243.147.0/2466.243.148.0/2466.243.149.0/2466.243.150.0/2466.243.151.0/2466.243.152.0/2466.243.153.0/2466.243.154.0/2466.243.155.0/2466.243.156.0/2466.243.157.0/2466.243.158.0/2466.243.159.0/24