IP Scanners

Free, open-source utility for network security auditing and exploration with capabilities for OS detection, service identification, and large network scans.

Open-source, cross-platform network scanner for fast, simple IP and port scanning. Lightweight with no installation needed, extensible via plugins.

Network scanner discovers devices, monitors ISP performance, sets security checks. Use advanced tools to analyze settings and find hidden cameras.

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.

Fast Android port scanner providing network information and quick host discovery. Designed for systems and network security with real-time insights.

NETworkManager is a powerful tool for managing networks and troubleshoot network problems! It includes a variety of tools such as an IP scanner, Port Scanner, Ping Monitor, WiFi analyzer, PuTTY/RemoteDesktop with tabs or an LLDP/CDP capture (and many more) in a unified user...

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.

This fast, highly configurable IPv4/IPv6 scanner can streamline many of your network support procedures. Its well-designed interface, light weight and portability coupled with an extensive range of options and advanced features make SoftPerfect Network Scanner an invaluable...

Tenable Network Security provides enterprise-class products for gathering, evaluating, communicating and reporting IT security and compliance information.

Netoster: Solving Your Network Mysteries.

Dipiscan is a free IP scanner that allows you to remotely retrieve information about machines on your network using a clear and ergonomic interface (as well as a command-line mode) . It also includes wakeonlan/shutdown and other advanced features.

MyLanViewer Network/IP Scanner is a powerful Netbios and Network/IP scanner for LAN, whois and traceroute tool, remote shutdown and Wake-On-Lan manager, LAN messenger and network monitor. The program displays your network computers in an easy to read, buddy-list style window...

This is the fastest Internet port scanner. It can scan the entire Internet in under 6 minutes, transmitting 10 million packets per second.

Get the simplified and powerful IP Address Manager to Monitor IP Addresses, DHCP services, and DNS servers Test SolarWinds IP Address Manager.

ZMap is a fast single packet network scanner designed for Internet-wide network surveys. On a typical desktop computer with a gigabit Ethernet connection, ZMap is capable scanning the entire public IPv4 address space in under 45 minutes.

Netdiscover is an active/passive address reconnaissance tool, mainly developed for those wireless networks without dhcp server, when you are wardriving. It can be also used on hub/switched networks.

LanScan Pro is a simple and efficient IPv4 network scanner that discovers all active devices on any subnet: the local one, or any public subnet that you configure.

SoftPerfect WiFi Guard is an essential tool for everyone running a small wireless network and striving to keep it safe and secure. Generally, modern Wi-Fi networks are well protected, but there are a number of weaknesses that can compromise your Wi-Fi password; this includes...

Provides various scanning options such as WiFi Network IP scanning, Port scanning and integrates the SHODAN scan engine, Security exploit tests and more.

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.

Discover and Scan machines on your network from your Android phone.

MapPing isn't another heavy and bulky program to map a LAN. MapPing is a lightweight command (only 681 KB) that you can use also from an USB key because it doesn't write anything in the registry of your Windows.

IP Scanner for Macintosh scans your local area network to determine the identity of all machines and internet devices on the LAN. Powerful results, yet easy and intuitive to use. Runs on OS X 10.4 and above.

This specialized application allows you to perform periodical checks of multiple hosts, IPs, websites and, if required, even ports.