AS3356 63.212.136.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 204863.212.136.0/2463.212.137.0/2463.212.138.0/2463.212.139.0/2463.212.140.0/2463.212.141.0/2463.212.142.0/2463.212.143.0/24