Best IP Scanners for Mac

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The Nmap project tries to defy the stereotype of some open source software being poorly documented by providing a comprehensive set of documentation for installing and using Nmap. This page links to official Insecure.Org documentation and generous contributions from other parties. Nmap Network Scanning is the official guide to the Nmap Security Scanner, a free and open-source utility used by millions of people for network discovery, administration, and security auditing. From explaining port scanning basics for novices to detailing low-level packet crafting methods used by advanced hackers, this book suits all levels of security and networking professionals. A 42-page reference guide documents every Nmap feature and option, while the rest of the book demonstrates how to apply those features to quickly solve real-world tasks. Examples and diagrams show actual communication on the wire.

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. Angry IP scanner simply pings each IP address to check if it’s alive, then optionally it is resolving its hostname, determines the MAC address, scans ports, etc. The amount of gathered data about each host can be extended with plugins. It also has additional features, like NetBIOS information (computer name, workgroup name, and currently logged-in Windows user), favorite IP address ranges, web server detection, customizable openers, etc. Scanning results can be saved to CSV, TXT, XML or IP-Port list files. With help of plugins, Angry IP Scanner can gather any information about scanned IPs. Anybody who can write Java code is able to write plugins and extend functionality of Angry IP Scanner.

WiFi Scanner scans for surrounding networks and supplies vital WiFi information needed for troubleshooting purposes. Filtering and sorting options narrow the results in a high-occupancy area. 2.4 GHz and 5 GHz channel graphs allow you to see overlapping and overbearing signal interferences, which affect network performance. The IP Scanner searches for devices connected to your network. An overcrowded network can cause bandwith and speed issues. The Speed Test helps you keep track of your network speeds and performance. Walk to different areas of your network with a laptop to test download and upload speeds. Who's On My Network is an IP Scanner that searches your network for connected devices. Too many devices on the network can slow it down, causing your device to have speed and/or connection problems. It can also be used to detect intruders on your network.