AS3356 67.145.72.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 204867.145.72.0/2467.145.73.0/2467.145.74.0/2467.145.75.0/2467.145.76.0/2467.145.77.0/2467.145.78.0/2467.145.79.0/24