AS3356 198.31.48.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048198.31.48.0/24198.31.49.0/24198.31.50.0/24198.31.51.0/24198.31.52.0/24198.31.53.0/24198.31.54.0/24198.31.55.0/24