Powershell script to download from https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts

Hosts.ps1

$hostsRequest = (Invoke-Webrequest -Uri "https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts")
$currentDate = ((get-date).ToUniversalTime()).ToString("dd-MM-yyyy hh-mm-ss")
$filePath = "C:\Windows\System32\drivers\etc\host-{0}.{1}"

if($hostsRequest.StatusCode -eq 200){
    $captureDomainRegex = "^(?:\d{1}\.\d{1}\.\d{1}.\d{1} )(.+)"
    $hosts = [PsCustomObject]@{unique=@(); duplicate=@();}

    $hostsRequest.Content | out-file -filepath ($filePath -f $currentDate, "txt")

    foreach ($line in Get-Content ($filePath -f $currentDate, "txt")){
        if($line -match $captureDomainRegex) {
            if($hosts.unique -contains $matches[1]){
                $hosts.duplicate += $matches[1]
            }else{
                $hosts.unique += $matches[1]
            }
        }
    }
    ConvertTo-Json $hosts | out-file -filepath ($filePath -f $currentDate, "json")
}

#load json and get the count of unique entries 
#(Get-Content ($filePath -f $currentDate, "json") | ConvertFrom-Json).unique.Count