CmdID / PowerShell / Cmdlets / Get
Get-IPBlockListEntry
Use the Get-IPBlockListEntry cmdlet to view the IP Block list entries that are used by the Connection Filtering agent on Edge Transport servers. Exchange PowerShell reference
From the Exchange PowerShell reference 4 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the identity integer value of the IP Block list entry that you want to view.-IPAddressThe IPAddress parameter specifies an IP address to view in the IP Block list entry or entries.-ResultSizeThe ResultSize parameter specifies the maximum number of results to return.-ServerThe Server parameter specifies the Exchange server where you want to run this command.