Scan Each Region, Each VPC, Each Subnet for Available ENI and count the IP's associated to the ENI. #Utility #AWS #Public #Inventory

Check-for-available-AWS-ENI.ps1

#Check-for-available-AWS-ENI.ps1
<#
Scan Each Region, Each VPC, Each Subnet for Available ENI and count the IP's associated to the ENI. Use it to clean up un-used ENI and regain those Private IP's
#>

(Get-EC2Region).regionname | foreach {  (Get-EC2Vpc -Region $_).vpcid | foreach { Get-EC2Subnet -Filter @{Name="vpc-id";Value="$_"} | foreach { Get-EC2NetworkInterface -Filter @(@{Name="subnet-id";Values=$_.subnetid} ; @{Name="status";Values="available"}  )  | Select-Object VPCID, InterfaceType, NetworkInterfaceID, @{n="PrivateIP-Count"; e= {($_.privateipaddresses | Measure-Object).count}}, SubnetID, Status }  }  } | Format-Table -AutoSize