AS19752 142.46.72.0/21 CIDR and IP Range Summary.ASN: 19752 - Hydro One Telecom Inc.Host Count: 2046Addressable IPs: 2048142.46.72.0/24142.46.73.0/24142.46.74.0/24142.46.75.0/24142.46.76.0/24142.46.77.0/24142.46.78.0/24142.46.79.0/24