AS3356 8.28.152.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.28.152.0/248.28.153.0/248.28.154.0/248.28.155.0/248.28.156.0/248.28.157.0/248.28.158.0/248.28.159.0/24