AS20419 66.133.64.0/21 CIDR and IP Range Summary.ASN: 20419 - DMR Communications Inc.Host Count: 2046Addressable IPs: 204866.133.64.0/2466.133.65.0/2466.133.66.0/2466.133.67.0/2466.133.68.0/2466.133.69.0/2466.133.70.0/2466.133.71.0/24