Advanced Lan Scanner is a small, easy-to-use, highly configurable network scanner for Win32. And it's fast. It's VERY fast. Advanced Lan Scanner uses multithreading technique, that gives it ability to scan more than 1000 elements per second! If used to scan ports, Advanced Lan Scanner can scan all 65536 ports in less that minute!

Advanced Port Scanner is a small, very fast, easy-to-use and robust port scanner for the Win32 platform. It is multithreaded, so on fast machines you can scan ports in very a few seconds. It has descriptions for the common ports and can perform scan on predefined port ranges.