AS3356 192.216.48.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048192.216.48.0/24192.216.49.0/24192.216.50.0/24192.216.51.0/24192.216.52.0/24192.216.53.0/24192.216.54.0/24192.216.55.0/24