AS19323 147.136.224.0/20 CIDR and IP Range Summary.ASN: 19323 - Holyoke Gas & Electric DepartmentHost Count: 4094Addressable IPs: 4096147.136.224.0/24147.136.225.0/24147.136.226.0/24147.136.227.0/24147.136.228.0/24147.136.229.0/24147.136.230.0/24147.136.231.0/24147.136.232.0/24147.136.233.0/24147.136.234.0/24147.136.235.0/24147.136.236.0/24147.136.237.0/24147.136.238.0/24147.136.239.0/24