AS51964 57.68.0.0/21 CIDR and IP Range Summary.ASN: 51964 - Orange Business Services U.S. Inc.Host Count: 2046Addressable IPs: 204857.68.0.0/2457.68.1.0/2457.68.2.0/2457.68.3.0/2457.68.4.0/2457.68.5.0/2457.68.6.0/2457.68.7.0/24