AS3356 72.0.120.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 204872.0.120.0/2472.0.121.0/2472.0.122.0/2472.0.123.0/2472.0.124.0/2472.0.125.0/2472.0.126.0/2472.0.127.0/24