7 Best Free Wi-Fi Network Scanners.

Network scanners help you check which devices are connected to your router and find out if anyone is hijacking your internet. It helps you in checking the network for which devices are connected to it, the strength of the channel and the IP address of the devices. It also helps you to know how much secure a network is.

Here is the list of best seven free Wi-Fi network scanners that are going to help you in scanning your network. 


1. Advanced IP Scanner. 


Key Features:
  • Easy access to network shares.
  • Remote control via RDP and Radmin.
  • Mac Addresses Detection.
  • Switching on/off computers remotely.
  • Export scan result to CSV.
  • No installation required.


Advanced IP Scanner.


Despite billing itself as an ‘advanced’ tool, Advanced IP Scanner (AIS) doesn’t try to reinvent the wheel. The best thing about Advanced IP Scanner is that it is not loaded with unnecessary options that most users will never use, but focuses instead on scanning your network for any connected devices. It’s fairly quick, especially compared with rival Windows programs, and its interface is clear and easy to understand, making it as suitable for beginners as it is for advanced network administrators.

Advanced IP Scanner is “the first choice for every network admin”, this tool is easy to use and an excellent option for anyone who’s curious about the devices that connect to their Wi-Fi. When it works, the remote access feature is exceptional, and there’s a portable version of AIS, too.

2. Fing.


Key Features:
  • Fast and accurate identification of all devices connected to any network.
  • Find intruders, Wi-Fi thieves and unknown devices on your network.
  • Run speed tests, rate ISPs and find the best providers in your area.
  • Recognize all devices, get an IP address, MAC address, device name, model vendor.
  • Port scanning, device ping, traceroute and DNS lookup.


Fing Wi-Fi Scanner.

Fing is a rare beast: a mobile app that outperforms equivalent desktop programs. Available for Android and iOS, it’s a smart tool with a clean look that’s perfectly suited to mobile use. When we connected two mobile phones, a smart speaker, a games console and a computer to a network, Fing instantly recognized each device, giving its name and allocating it an appropriate icon.

Fing is the perfect mobile network scanner. It lacks a few of the extra features you find in some desktop PC tools, but it gives you everything you need to perform a quick, through network check without having to boot up your computer.  

3. Wireless Network Watcher


Key Features:
  • Wireless Network Watcher scans your wireless network and displays the list of all computers and devices that are connected to your network.
  • The following information is displayed: IP address, MAC address, the company that manufactured the network card, and optionally the computer name.


Wireless Network Watcher.


Wireless Network Watcher keeps things very simple, and that’s fine with us. Clicking the Play the play button to run a scan and see every device that’s connected to your network, along with the usual information such as its IP and MAC address.

The ace up its sleeve, however, is that it notes the first and last time a device was detected and keeps an overall Detection Count, which is sure to please anyone who worries about unauthorized devices using their internet connection.

Wireless Network Watcher is a simple utility that’s ideally suited to the casual user, but it lacks power for those who need advanced features. It’s a great tool for checking what, and who, is connected to your network, but that’s about its limit.

4. Angry IP Scanner. 


Key Features:
  • It scans local networks as well as the Internet.
  • IP Range, Random or file in any format.
  • Exports results in many formats.
  • Extensible with many data fetches.
  • It provides a command-line interface.
  • It runs on Linux, Windows, and Mac OS X, possibly supporting other platforms as well.


Angry IP Scanner.

Angry IP Scanner is an open-source and cross-platform network scanner designed to be fast and simple to use.

We’re not sure what has made Angry IP Scanner so cross, but during the time we spent with them, we found it to be thoroughly pleased. Scanning network is quick and the results page is fairly clear when the results are in, the tool even tells you how long it took and how many hosts are ‘alive’. Elsewhere it’s less intuitive, but it’s unlikely to put off advanced users, for whom we’d suggest the tool is really designed.  

5. Dipiscan. 


Key Features:
  • Dipiscan lets you save a text file of the results.
  • It has an easy to use interface.


Dipiscan


Dipiscan is another streamlined network scanner in the same vein as Wireless Network Watcher. Its attractive layout feels a lot more modern, and we like the dedicated Export button, which lets you save a text file of the results.

Performance is excellent, and you won’t struggle to find your way around the tool-although some of the tabs gathered along the top border on the advanced.
Dipiscan is a fast and capable network scanner, but if you’re already using something like Angry IP Scanner then it is better to stay with those network scanner.

6. SoftPerfect Network Scanner.


Key Features:
  • Fully supports both IPv4 and IPv6 discovery.
  • Performs a ping sweep and displays live devices.
  • Detects hardware MAC-addresses, even across routers.
  • Discovers writable and hidden shared folders.
  • Detects internal and external IP addresses.




SoftPerfect is a fast, highly configurable IPv4/IPv6 scanner that can streamline many of your network support procedures. It has a well-designed interface, lightweight and portability coupled with an extensive range of options and advanced features make SoftPerfect Network Scanner an invaluable tool, whether you are a professional, or a general user interested in computer security.

SoftPerfect Network Scanner can ping computers, scan ports, discover shared folders and retrieve practically any information about network devices via WMI SNMP, HTTP, SSH, and PowerShell.
  

7. NetSpot.


Key Features:
  • Collect live Wi-Fi data from all surrounding networks.
  • See channel info, transmit rate, vendor, security type, band, etc.
  • Customizable signal levels and noise charts display changes in real-time.
  • Discover mode is ideal to locate Wi-Fi issues in a specific area.
  • Save historical data per each AP for the latest review.
  • Create any number of snapshots within each zone to quickly compare Wi-Fi configurations.


NetSpot.


NetSpot is a perfect helper for network security specialists in location and eliminating rogue access points, detecting unauthorized workstations, avoiding cross-channel interference and getting rid of false-positive intrusion alerts. With NetSpot one can also check the security settings (Open, WEP, WPA/WPA2 Personal/Enterprise), non-broadcasting SSIDs and WiFi signal strength. With all this work done well the wireless signal is less likely to spill outside, where a war drive can get their hands on it.

With its advanced collection and visualization of data, NetSpot provides its users with a comprehensive and complete WiFi site survey solution.  

Also read: 

5 Best Ways To Improve Router Signal Strength.

How To Set Static IP Addresses on Your Home Router.

How To Transfer Files Instantly over Wi-Fi Network.


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