AS51964 57.83.208.0/20 CIDR and IP Range Summary.ASN: 51964 - Orange Business Services U.S. Inc.Host Count: 4094Addressable IPs: 409657.83.208.0/2457.83.209.0/2457.83.210.0/2457.83.211.0/2457.83.212.0/2457.83.213.0/2457.83.214.0/2457.83.215.0/2457.83.216.0/2457.83.217.0/2457.83.218.0/2457.83.219.0/2457.83.220.0/2457.83.221.0/2457.83.222.0/2457.83.223.0/24