AS3356 4.4.48.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20484.4.48.0/244.4.49.0/244.4.50.0/244.4.51.0/244.4.52.0/244.4.53.0/244.4.54.0/244.4.55.0/24