Select Top 1000000 tblComputers.Computername, tblComputers.ComputerUnique,
  tblComputers.Domain, tblNetwork.Description, tblNetwork.IPAddress
From tblComputers Inner Join
  tblNetwork On tblComputers.Computername = tblNetwork.Computername Inner Join
  web40repallservers On web40repallservers.Computername =
    tblComputers.Computername
Where tblNetwork.IPAddress <> '' And tblNetwork.IPAddress <> '0.0.0.0'
Order By tblComputers.Computer, tblNetwork.Description