AS3356 216.143.120.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048216.143.120.0/24216.143.121.0/24216.143.122.0/24216.143.123.0/24216.143.124.0/24216.143.125.0/24216.143.126.0/24216.143.127.0/24