My contribution to ScriptingGames 2015 August (http://powershell.org/wp/2015/08/01/august-2015-scripting-games-puzzle/)

ScriptingGames2015August.ps1

# Oneliner:
Invoke-RestMethod -Uri http://telize.com/geoip | Select-Object -Property longitude, latitude, continent_code, timezone

# Advanced function:
Function Get-GeoInformation
{
    <#
    .Synopsis
       Get geo information for current IP address or 
       any specified IP address.
    .DESCRIPTION
       Get geo information for current IP address or 
       any specified IP address.

       Using web service http://telize.com/geoip to get
       geo information. Requires internet connectivity.
    .EXAMPLE
       Get-GeoInformation

       Get geo information for current IP address.
    .EXAMPLE
       Get-GeoInformation -IPAddress '56.86.48.9', '56.86.48.10'

       Get geo information for IP addresses specified.
    .EXAMPLE
       '56.86.48.9', '56.86.48.10', '56.86.48.11' | Get-GeoInformation

       Get geo information for IP addresses sent through pipeline.
    .INPUTS
       IPAddress
    .OUTPUTS
       PSCustomObject
    #>
    [cmdletbinding(ConfirmImpact='None')]
    [OutputType([PSCustomObject])]
    param(
        # Gets geo information for specific ip addresses. The default is current IP.
        [Parameter(ValueFromPipeline)]
        [IPAddress[]]
        $IPAddress
    )
    Process
    {
        Try
        {
            if($PSBoundParameters.ContainsKey('IPAddress'))
            {
                Foreach($IP in $IPAddress)
                {
                    $URI = 'http://telize.com/geoip/{0}' -f $IP.IPAddressToString
                    Invoke-RestMethod -Uri $URI
                }
            }
            else
            {
                Invoke-RestMethod -Uri http://telize.com/geoip
            }
        }
        Catch
        {
            Throw
        }
    }
}