This is a very fast and small IP scanner. It has many options, such as the ability to resolve host names, check for open ports,get computer name,whois,ping,conversion ip and domain name,track IP from, and more. Net Scanner 2.4 scanning engine was completely rewritten, so it is more powerful now. It contains many enchancements, such as configurable scanning columns (NetBIOS info can now appear in the list), multiple port scanning, and more. It is also now more stable and runs on very old Windows versions.