AS19855 64.47.16.0/21 CIDR and IP Range Summary.ASN: 19855 - Masergy Communications Inc.Host Count: 2046Addressable IPs: 204864.47.16.0/2464.47.17.0/2464.47.18.0/2464.47.19.0/2464.47.20.0/2464.47.21.0/2464.47.22.0/2464.47.23.0/24