Detect rogue DHCP servers on a network
Find DHCP displays the DHCP servers active on your network, just run this portable tool and in few seconds will be shown many helpful information such as IP address offered by dhcp server, netmask, gateway, servers network address and dhcp lease.
You can use this freeware tool to discover rogue DHCP servers or just for a quick check on your network.
Operating Systems: Windows 9x/Me, Windows NT 4, Windows 2000, Windows XP, Windows Vista, Windows 7
Credits : DHCP Find