AS3356 217.163.120.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048217.163.120.0/24217.163.121.0/24217.163.122.0/24217.163.123.0/24217.163.124.0/24217.163.125.0/24217.163.126.0/24217.163.127.0/24