Bopup Scanner 2.1.8

This freeware portable network scanner displays active computers with logged user names (NetBIOS), MAC and IP addresses. It also detects and shows HTTP (Web) servers running on remote computers (TCP port 80, 8080) and can accept an IP range to scan.

DhcpExplorer 1.3.6

DhcpExplorer tool allows you to discover DHCP servers on your local subnet or LAN. This is useful for locating servers that are not supposed to be on your network ( rogue DHCP servers ) as well as checking the expected output of known servers.