A oneliner Which uses JSON

ScriptingGamesAug2015.ps1

#Invoke-WebRequest -Uri www.telize.com/geoip|select -ExpandProperty content|ConvertFrom-Json|select longitude,latitude,country_code,timezone


function Get-GeoInformation
{
    [CmdletBinding()]
    [Alias('ggeo')]
    param(
    [Parameter(ValueFromPipeLine=$true)]
    [ValidateNotNull()]
    [string[]]$IPv4="f")

    Begin
    {
        $output=''
        function Check-blank ($Param,[String]$Attrib)
        {
            Write-Verbose "No Data For Attribute $Attrib"
            if($_.latitude -eq $null){"No Data"}else{$Param}
        }
       
    }
    Process
    {
       foreach ($IP in $IPv4) {
        $IPv4Address=$IP -split "\."
      
        if ($IPv4Address.Count -eq 4 )
        {
            try
            {
               $IPv4Result=[System.Net.IPAddress]::TryParse($IP,[ref]"10.10.10.10") 
               if ($IPv4Result -eq $false)
                    {
                       Write-Verbose "Found an Invalid Input for IPAddress"
                       Write-Error  " Cannot validate IPv4 Address"  
                    }
                else
                    {
                       Write-Verbose "Locating $IP"
                       Write-Output "Location For $IP"
                       Invoke-RestMethod -Uri "telize.com/geoip/$IP" |select @{e={Check-blank -Param $_.latitude -Attrib 'Latitude'};l="Latitude"},@{E={Check-blank $_.longitude -Attrib 'Longitude'};L="longitude"},@{E={Check-blank $_.Country_code -Attrib 'Countr_Code'};L='country_code'},@{E={check-blank $_.TimeZone -Attrib 'TimeZone'};L='Timezone'}
                    }
            }
            catch 
            {
               throw $_
            }
            
        }
        elseif($IP -eq "f")
        {
                        Write-Verbose "No Input Found and Locating Default Location"
                        Invoke-RestMethod -Uri "telize.com/geoip"|select @{e={Check-blank -Param $_.latitude -Attrib 'Latitude'};l="Latitude"},@{E={Check-blank $_.longitude -Attrib 'Longitude'};L="longitude"},@{E={Check-blank $_.Country_code -Attrib 'Countr_Code'};L='country_code'},@{E={check-blank $_.TimeZone -Attrib 'TimeZone'};L='Timezone'}
        }
        
        else
        {
                        Write-Verbose "Given Input Found as Not an IPAddress"
                        Write-Error " Cannot validate IPv4 Address"
        }
       }
        # Write-Output $Info
        
    }
    End
    {
      #  $output
    }
}