AS3356 8.28.32.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.28.32.0/248.28.33.0/248.28.34.0/248.28.35.0/248.28.36.0/248.28.37.0/248.28.38.0/248.28.39.0/24