AS3356 66.170.136.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 204866.170.136.0/2466.170.137.0/2466.170.138.0/2466.170.139.0/2466.170.140.0/2466.170.141.0/2466.170.142.0/2466.170.143.0/24