NMAP NT – eEye originally developed Nmapnt for Windows NT/2000 and had made it available in the past for download. Recently, eEye security no longer makes this program available and there does not seem to be any mention of anywhere else. No installation needed. Requires packet capture drivers, available here.
You can download it from the following link: https://packetstormsecurity.com/files/download/24739/Nmapnt.zip
Source: https://packetstormsecurity.com/files/24739/Nmapnt.zip.html