AS3356 8.244.72.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.244.72.0/248.244.73.0/248.244.74.0/248.244.75.0/248.244.76.0/248.244.77.0/248.244.78.0/248.244.79.0/24