AS3356 217.163.0.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048217.163.0.0/24217.163.1.0/24217.163.2.0/24217.163.3.0/24217.163.4.0/24217.163.5.0/24217.163.6.0/24217.163.7.0/24