IPScan32 is described as 'free IP scanner. It allows among others to retrieve information on remote machines through a clear and ergonomic interface' and is an app in the Network & Admin category. There are more than 10 alternatives to IPScan32 for a variety of platforms, including Windows, Mac, Linux, iPad and Android. The best alternative is Nmap, which is both free and Open Source. Other great apps like IPScan32 are Angry IP Scanner (Free, Open Source), Fing (Freemium), Zenmap (Free, Open Source) and Advanced IP Scanner (Free).
Angry IP scanner is a very fast IP address and port scanner. It can scan IP addresses in any range as well as any their ports. It is cross-platform and lightweight. Not requiring any installations, it can be freely copied and used anywhere.
Zenmap is the official cross-platform GUI for the Nmap Security Scanner. It is free and runs on Linux, Windows, Mac OS X, etc. Zenmap aims to make Nmap easy for beginners to use while providing advanced features for experienced Nmap users.
Reliable and free network scanner to analyse LAN. The program shows all network devices, gives you access to shared folders, provides remote control of computers (via RDP and Radmin), and can even remotely switch computers off. It is easy to use and runs as a portable edition.
Advanced Port Scanner is a fast and free software for port scanning. It will allow you to quickly find all open ports (TCP and UDP) and detect versions of programs running on them. The utility includes many features simplifying network management.
Network Scanner is an IP scanner for scanning both large corporate networks with hundred thousands of computers and small home networks with several computers. The program can scan both a list of IP addresses or computers and ranges of IP addresses.
Fingbox is a cloud system to monitor and manage your network, based on Fing Apps, Applications and Tools. It's a secure, cross-platform, comprehensive solution to discover devices, scan services, analyze and customize your networks, from anywhere.