Get-WebRequestSummary returns a list of requests currently executing against IIS 8 (Windows 8 or Windows Server 2012).

Get-WebRequestSummary.psm1

Add-Type -TypeDefinition @"
    [System.FlagsAttribute]
    public enum PipelineStateFlags
    {
        Unknown = 0,
        BeginRequest = 1,
        AuthenticateRequest = 2,
        AuthorizeRequest = 4,
        ResolveRequestCache = 8,
        MapRequestHandler = 16,
        AcquireRequestState = 32,
        PreExecuteRequestHandler = 64,
        ExecuteRequestHandler = 128,
        ReleaseRequestState = 256,
        UpdateRequestCache = 512,
        LogRequest = 1024,
        EndRequest = 2048,
        SendResponse = 536870912
    }
"@
 
<#
.SYNOPSIS
    Returns a summary of outstanding requests currently running against IIS.
.NOTES
    Author: bart@ecargo.co.nz
#>
function Get-WebRequestSummary() {
    Get-WebRequest | % {
        $portString = ":" +  $_.localPort.ToString();
        if($_.localPort -eq 80) {
            $portString = ""
        }
        New-Object PSObject -Property ([ordered]@{
            Request = $_.verb + " "  + $_.hostName + $portString + $_.url
            ClientIpAddress = $_.clientIpAddress
            TimeElapsed = [TimeSpan]::FromMilliseconds($_.timeElapsed)
            PipelineState = [PipelineStateFlags]$_.pipeLineState
            TimeInPipelineState = [TimeSpan]::FromMilliseconds($_.timeInState)
            CurrentModule = $_.currentModule
            TimeInCurrentModule = [TimeSpan]::FromMilliseconds($_.timeInCurrentModule)
        })
    }
}

Export-ModuleMember Get-WebRequestSummary