AS3356 8.60.136.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.60.136.0/248.60.137.0/248.60.138.0/248.60.139.0/248.60.140.0/248.60.141.0/248.60.142.0/248.60.143.0/24