AS19752 142.47.72.0/21 CIDR and IP Range Summary.ASN: 19752 - Hydro One Telecom Inc.Host Count: 2046Addressable IPs: 2048142.47.72.0/24142.47.73.0/24142.47.74.0/24142.47.75.0/24142.47.76.0/24142.47.77.0/24142.47.78.0/24142.47.79.0/24