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Wireless Network Watcher is a small utility that scans your wireless network and displays the list of all computers and devices that are currently connected to your network. Wireless Network Watcher App 1.12 Update 2021-07-04 After updating to Android 11 API there was a problem that IP search could not be done on Android 10 or higher devices and it was solved by building with Android 10 API. Wireless Network Watcher scans your WiFi network and provides you with a list of all the computers that are connected to your network with their corresponding MAC. You will be able to control who connects to your network, and even activate a sound alarm when a new user connects. Network Watcher is a little Windows Phone App that monitors your GSM network connectivity and notify you if it is lost. Wireless Network Watcher will access your network and show you the devices that are using your Internet. After a quick scan, you’ll see all the details of any network intruder found, including their IP address, the type of user they are, and their MAC router. However, you may need to scan a few times to ensure all connected devices are listed.

Keep an eye out

Everyone likes free Internet, but why should you be paying for everyone to use yours? Wireless Network Watcher lets you see who’s connected to your WiFi.

Watching your WiFi

Don’t experience slow Internet speeds just because some stranger’s hogging your WiFi. Scan now and find out who’s using your Internet.

You pay for your Internet, you password protect your WiFi, and yet you’re still experiencing slow speeds? Perhaps it’s time to check if anyone’s figured out your old password. Wireless Network Watcher will access your network and show you the devices that are using your Internet.

After a quick scan, you’ll see all the details of any network intruder found, including their IP address, the type of user they are, and their MAC router. However, you may need to scan a few times to ensure all connected devices are listed as Wireless Network Watcher doesn’t always show every connection.

Once a scan completes you’ll see icons next to each device listed, letting you easily identify them. The software is easy to use but offers no way to interact with any intruders using your Internet. There is no way to send a warning message or block a device from your Internet. You’ll either need to do some sleuthing and find out who owns the device or change your router’s password.

Scanning your network won’t use up all your system’s requirements. You’re even able to leave it running in the background as you play a game or watch your favorite YouTuber. Identifying Internet leeches has never been so easy.

Where can you run this program?

Wireless Network Watcher is available for almost every version of Windows operating system.

Is there a better alternative?

No, but if you’d prefer a mobile application there are applications such as Fing which provide the same service. Whichever you choose both can easily identify devices connected to your network.

Our take

Wireless Network Watcher is a must-have software if you suspect anyone is using your Internet and want to find out who it is.

Should you download it?

Yes, it’s a great way to check the security of your WiFi network constantly. If you get low speeds and want to see if it’s because of an intruder.

Highs

• Quick scan of local networks
• Icon display per device
• Background scanning

Lows

• No warning function
• No blocking function
• Requires multiple scans to be efficient

Wireless Network Watcherfor Windows

2.25

Wireless Network Watcher v2.25 Copyright (c) 2011 - 2021 Nir Sofer

See Also

• WakeMeOnLan - Turn on computers on your network with Wake-on-LAN packet.
• NK2Edit - Edit, merge and repair the AutoComplete files (.NK2) of Microsoft Outlook.

Description

Wireless Network Watcher is a small utility that scans your wireless network and displays the list of all computers and devices that are currently connected toyour network.
For every computer or device that is connected to your network, the following informationis displayed: IP address, MAC address, the company that manufactured the network card,and optionally the computer name.
You can also export the connected devices list into html/xml/csv/text file, or copy the listto the clipboard and then paste into Excel or other spreadsheet application.

System Requirements And Limitations

• This utility works on Windows 2000, Windows XP, Windows Server 2003/2008, Windows Vista, Windows 7, Windows 8, and Windows 10.
• This utility can only scan a wireless network that you're currently connected to.It cannot scan other wireless networks.
• In rare cases, it's possible that Wireless Network Watcher won't detect thecorrect wireless network adapter, and then you should go to 'Advanced Options' window (F9),and manually choose the correct network adapter.
• although this utility is officially designed for wireless networks, you canalso use it to scan a small wired network.

Versions History

• Version 2.25
  • Updated to work properly in high DPI mode.
• Version 2.23
  • Updated the internal MAC addresses database.
• Version 2.22
  • Fixed the /cfg command-line option to load the .cfg file from the current directory if full path is not specified.
  • Updated the internal MAC addresses database.
• Version 2.21
  • Updated the internal MAC addresses database.
• Version 2.20
  • Fixed bug: When a device had an IP address that was previously assigned to another device, Wireless Network Watcher displayed the User Text or name of the previous device.
• Version 2.19
  • Updated the internal MAC addresses database.
• Version 2.18
  • Updated the internal MAC addresses database.
• Version 2.17
  • Updated the internal MAC addresses database.
• Version 2.16
  • Added option to choose disconnect audio file for every device (In 'Device Options' window).
• Version 2.15
  • Automatic export feature: You can now choose to generate a new filename on every session (When you close the program and then run it again) or on every save.You can also generate a filename with date/time (e.g: wnw20170920123320.csv) instead of numeric counter.
• Version 2.13
  • Added 'Reset Selected Items Dates' option, which resets the 'First Detected On' and 'Last Detected On' fields.
• Version 2.12
  • Fixed bug: On some systems with multiple network adapters, Wireless Network Watcher failed to automatically detect the active wireless network adapter.
• Version 2.11
  • Updated the internal MAC addresses database.
• Version 2.10
  • Added option to export the current network devices list to a file (csv/tab-delimited/html/xml) every xx seconds (In 'Advanced Options' window).
• Version 2.05
  • Fixed bug with 'Execute the following command when a new device is detected':command was executed for previously detected device even when the 'only if the device is detected in the first time' option was turned on.
  • Fixed bug: 'Detection Count' did not work when the 'Show All Previous Devices' option was turned on.
• Version 2.03
  • Added 'Advanced Options' icon to the toolbar.
• Version 2.02
  • Updated the internal MAC addresses database.
• Version 2.01
  • The connect name is now displayed in the network adapters list. ('Advanced Options' window)
• Version 2.00
  • Added option to delete devices from the list (File -> Delete Selected Items )
• Version 1.99
  • Added file-AutoComplete feature to the fields that require to type a filename, inside the 'Advanced Options' window.
• Version 1.98
  • Fixed bug: The 'execute command on disconnect' and the 'Tray Balloon On Disconnected Device' options worked only when 'Beep On Disconnected Device' option was turned on.
• Version 1.97
  • Added 'Automatic Sort On Every Scan' option. When it's turned on, Wireless Network Watcher sorts the devices list on every scan, according to the last sorting you chose by clicking the column header.
• Version 1.96
  • Added 'Save All Items'.
• Version 1.95
  • Added 'Show All Previous Devices' option (Under the Options menu) to display all devices that Wireless Network Watcher detected in the past (The information is stored inside the .cfg file).
  • Wireless Network Watcher now stores the IP address and name of the detected devices inside the .cfg file, so these fields will be displayed when using the 'Show All Previous Devices' option.
• Version 1.91
  • Updated the internal MAC addresses database.
• Version 1.90
  • Made some changes in the internal scanning mechanism of Wireless Network Watcher, in order to fix bugs and problems that occurred when a device got a different IP address.
  • Be aware that due to this mechanism change, detected devices will appear only after their MAC address is found (In previous versions, the device name was displayed even before the MAC address was found)
• Version 1.85
  • Added 'Auto Size Columns On Every Scan' option.
  • Added 'Auto Size Columns+Headers' option.
• Version 1.83
  • Added 'Tray Balloon On Disconnected Device' option.
• Version 1.82
  • Updated the internal MAC addresses database.
• Version 1.81
  • Added 'Last Detected On' column.
• Version 1.80
  • Added 'Beep On Disconnected Device' option.
  • Added option to execute a command when a device is disconnected (On 'Advanced Options' window).
• Version 1.79
  • Updated the internal MAC addresses database.
• Version 1.78
  • Fixed the feature added on v1.76: Wireless Network Watcher now displays the 'Advanced Options' window only if it fails on the first scan and the 'Show Advanced Options Automatically' option is turned on.
• Version 1.77
  • Fixed bug: Wireless Network Watcher failed to remember the last size/position of the main window if it was not located in the primary monitor.
  • Updated the internal MAC addresses database.
• Version 1.76
  • When Wireless Network Watcher fails to detect the network to scan, it now automatically displays the 'Advanced Options' window.
• Version 1.75
  • Added 'Copy As Hosts File' option. (Ctrl+H)
• Version 1.73
  • Updated the internal MAC addresses database.
• Version 1.72
  • The 'Background Scan' option is now turned on by default.
• Version 1.71
  • Added 'Always On Top'.
• Version 1.70
  • Added 'Reset Selected Items Counter' option.
• Version 1.68
  • Added /cfg command-line option, which instructs Wireless Network Watcher to use a config file in another location instead if the default config file, for example:
    WNetWatcher.exe /cfg '%AppData%WNetWatcher.cfg'
• Version 1.67
  • Updated the internal MAC addresses database.
• Version 1.66
  • Added option to choose another font (name and size) to display in the main window.
• Version 1.65
  • Added 'Show Inactive Devices' option (Under the Options menu).When it's turned on, Wireless Network Watcher continues to display devices when they are not detected anymore, but their 'Active' value is changed from 'Yes' to 'No' andthey also have a red X icon.
• Version 1.60
  • When you choose to scan specific IP addresses range, Wireless Network Watcher now automatically skips the broadcast addresses, according to the IP addresses/Subnet masks settings of every network adapter.
  • Fixed issue: On some network adapters, Wireless Network Watcher added items with empty MAC address - 00-00-00-00-00-00
• Version 1.58
  • Fixed bug: Wireless Network Watcher failed to load the external MAC addresses file (oui.txt) when every line has 2 leading space characters.(Sometimes this file is provided with leading space characters, I don't really know why...)
• Version 1.57
  • Updated the internal MAC addresses database.
• Version 1.56
  • Added 'Mark Odd/Even Rows' option, under the View menu. When it's turned on, the odd and even rows are displayed in different color, to make it easier to read a single line.
  • Fixed issue: Dialog-boxes opened in the wrong monitor, on multi-monitors system.
• Version 1.55
  • Added option to set the interval of the background scan (In the 'Advanced Options' window)
• Version 1.50
  • Added option to run .exe file when a new device is detected (In 'Advanced Options' window)
• Version 1.47
  • Fixed bug: Wireless Network Watcher crashed on some systems when starting the scanning and the 'Clear ARP Cache On Every Scan' option is turned on.
• Version 1.46
  • Added 'Clear ARP Cache On Every Scan' option. This option is useful for Windows 2000/XP, because if the ARP cache is notcleared, a device might be displayed as connected even when it's not connected, because the ARP information is takenfrom the cache of Windows operating system. On Windows Vista/7, this option is irrelevant, because the ARP scanning isnot affected by the cache.
• Version 1.45
  • Added 'Device Options' window (Ctrl+F9), which allows you to change the beep/tray balloon configuration for everydevice separately.
• Version 1.42
  • Add new option to 'Advanced Options' window: 'Activate the beep/tray balloon alert only if the device is detected in the first time'.If you turn on this option, you'll get a beep/tray balloon alert only if the device has not been detected before (Detection Count = 1).
• Version 1.41
  • The tooltip of the tray icon now shows the number of connected devices.
• Version 1.40
  • Added option to choose audio file to play when a new device is detected (In Advanced Options), instead of using the default beep sound of Windows.
  • Added 'Start As Hidden' option. When this option and 'Put Icon On Tray' option are turned on, the main window of Wireless Network Watcher will be invisible on start.
• Version 1.35
  • Added 'MAC Address Format' option, under the Options menu.
  • Copy MAC Address option now allows you to copy multiple MAC addresses.
• Version 1.32
  • Added new menu items to the tray context menu: Start Scanning, Stop Scanning, and Advanced Options.
• Version 1.31
  • Fixed the sorting of the IP Address column.
• Version 1.30
  • Added command-line options to scan your network and save the result into text/html/xml file,without displaying any user interface.
• Version 1.27
  • Added 'Automatically Copy Device Name To User Text' option.When it's turn on, the user text of new device is automatically filled with the name of the device.
• Version 1.26
  • Added 'Scan On Program Start' option. You can turn off this option if you don't want thatWireless Network Watcher will start scanning automatically when you run it.
• Version 1.25
  • Added option to choose the desired IP addresses range to scan. (In the 'Advanced Options' window)
• Version 1.20
  • Added 'Put Icon On Tray' option. When it's turned on, icon of Wireless Network Watcheris added to the system tray of Windows.
  • Added 'Tray Balloon On New Device' option. If it's turned on, Wireless Network Watcher displays a tray balloon when a new device is detected.
• Version 1.15
  • Added 'Background Scan', under the Options menu. When this option is turned on, Wireless Network Watchermake a continuous background scan to automatically discover new devicesor computers that connected the network, without activating the scan again. The background scan is slowerand less intensive then the regular scan, so it won't overload your computer.
  • Added 'Beep On New Device' option. When the background scan is turned on, you can use this option to get a 'beep' sound whena new device is detected.
• Version 1.10
  • Added 'User Text' column, which allows to enter your own text for a specificcomputer/device, from the Properties window (Alt+Enter). The text that you write will be displayed for the same device in future scans.(The devices information is stored in the .cfg file of Wireless Network Watcher)
  • Wireless Network Watcher now displays the first date/time that the specifieddevice was found, and the number of times that the device was detected. (The information is saved in the .cfg file)
  • When there are multiple IP address blocks on a single network card, Wireless Network Watcher now scans all of them (In previous versions, it scanned only the first IP addresses block)
  • Fixed bug: In previous version, Wireless Network Watcher randomly skipped some devicesafter the scanning the first 64 IP addresses.
• Version 1.05
  • Fixed Wireless Network Watcher to scan the entire network when the subnet mask is not255.255.255.0, for example, if the subnet mask is 255.255.254.0, Wireless Network Watcher will scan512 addresses. For now, it's limited for up to 4096 IP addresses, to avoid from very long scanning.
  • Improved the scanning on slow computers or slow networks.
• Version 1.00 - First release.

Using Wireless Network Watcher

Wireless Network Watcher doesn't require any installation process or additional dll files.In order to start using it, simply extract the executable file (WNetWatcher.exe) from the zip file, and run it.
If you want, you can also download WNetWatcher with full install/uninstall support(wnetwatcher_setup.exe), so a shortcut for running WNetWatcher will be automatically added into your start menu.

After running WNetWatcher, it automatically locates your wireless adapter, andscans your network. After a few seconds, you should start see the list of computers thatare currently connected to your network.

If from some reason, WNetWatcher failed to locate and scan your network, you cantry to manually choosing the correct network adapter, by pressing F9 (Advanced Options)and choosing the right network adapter.

Columns Description

Wireless Network Watcher Free Download

• IP Address: IP Address of the device or computer.
• Device Name: The name of the device or computer.This field may remain empty if the computer or the device doesn't provide its name.
• MAC Address: The MAC address of the network adapter.
• Network Adapter Company:The company that manufactured the network adapter, according to the MAC Address.This column can help you to detect the type of the device or computer.For example, if the company name is Apple, the device is probably a Mac computer, iPhone, or iPad.
  if the company name is Nokia, the device is probably a cellular phone of Nokia.

  By default, this utility uses an internal MAC addresses database stored inside the .exe file,but it's not always updated with the latest MAC address assignments.
  You can manually download the latest MAC addresses file from http://standards-oui.ieee.org/oui/oui.txtand then put oui.txt in the same folder where WNetWatcher.exe is located.When you run WNetWatcher.exe, it'll automatically load and use the external oui.txt instead of the internal MAC addresses database.

• Device Information:This column displays 'Your Computer' if the device is the computer that you currently use.This column displays 'Your Router' if the device is the wireless router.
• User Text:You can assign your own text to any device detected by WNetWatcher. By default, this field is filled with the device name.In order to change the User Text, simply double-click the item and type the desired text.
• Active:Specifies whether this device is currently active.When a device is not detected anymore, the 'Active' value is turned from 'Yes' to 'No'
• Detection Count:Number of times that this device was detected on your network. Every time that a network scan is running and the device is detected, this value is increased by one.
• First Detected On:The first time that this device was detected.
• Last Detected On:The last time that this device was detected.

Background Scan

Starting from version 1.15, there is a new option under the Options menu - 'Background Scan'.
When it's turned on, Wireless Network Watcher first make the regular fast network scan todiscover all current connected devices. After that, a continuous background scanis activated to discover when new devices are connected to your network.The background scan is slower and less intensive then the regular scan, soit won't overload your computer and you can leave it to run in the background whileusing other programs.
When the background scan is running, a counter of the scan process is displayed in the second section of the bottom status bar.

When the background scan is used, you can use the 'Beep On New Device' option to get a beep soundwhen a new device is detected.

Command-Line Options

WNetWatcher.exe /cfg '%AppData%WNetWatcher.cfg'
/stab <Filename>	Scan your network, and save the network devices list into a tab-delimited text file.
/stabular <Filename>	Scan your network, and save the network devices list into a tabular text file.
/sverhtml <Filename>	Scan your network, and save the network devices list into HTML file (Vertical).
In order to translate Wireless Network Watcher to other language, follow the instructions below: Run Wireless Network Watcher with /savelangfile parameter: WNetWatcher.exe /savelangfile A file named WNetWatcher_lng.ini will be created in the folder of WNetWatcher utility. Open the created language file in Notepad or in any other text editor. Translate all string entries to the desired language.Optionally, you can also add your name and/or a link to your Web site. (TranslatorName and TranslatorURL values) If you add this information, it'll be used in the 'About' window. After you finish the translation, Run WNetWatcher, and all translated strings will be loaded from the language file. If you want to run WNetWatcher without the translation, simply rename the language file, or move it to another folder. License This utility is released as freeware. You are allowed to freely distribute this utility via floppy disk, CD-ROM, Internet, or in any other way, as long as you don't charge anything for this and you don'tsell it or distribute it as a part of commercial product. If you distribute this utility, you must include all files inthe distribution package, without any modification ! Disclaimer Wireless Network Watcher Android The software is provided 'AS IS' without any warranty, either expressed or implied,including, but not limited to, the implied warranties of merchantability and fitnessfor a particular purpose. The author will not be liable for any special, incidental,consequential or indirect damages due to loss of data or any other reason. Wireless Network Watcher Nirsoft Feedback If you have any problem, suggestion, comment, or you found a bug in my utility, you can send a message to nirsofer@yahoo.com Download Wireless Network Watcher (In Zip file) Download Wireless Network Watcher with full install/uninstall support (wnetwatcher_setup.exe) Check Download MD5/SHA1/SHA256 Hashes Wireless Network Watcher.com Wireless Network Watcher is also available in other languages. In order to change the language of Wireless Network Watcher, download the appropriate language zip file, extract the 'wnetwatcher_lng.ini', and put it in the same folder that you Installed Wireless Network Watcher utility. Wireless Network Watcher Review Language Translated By Date Version Arabic Mohamed.Thami 28/01/2018 Wireless Network Watcher v2.16 Arabic Fcmam5 09/02/2013 1.57 Basque Eneko 25/05/2015 1.80 Brazilian Portuguese Paulo Guzmán 15/09/2018 2.18 Brazilian Portuguese Victor R. 22/10/2014 1.73 Brazil Portuguese João Mac-Cormick 25/12/2013 1.70 Bulgarian N. Nedelev 31/03/2017 2.10 Bulgarian Stnmr 28/03/2021 2.25 Catalonian Albert Aguilera 08/11/2014 1.70 Croatian Download.hr 13/07/2016 1.98 Czech Buchtič 18/07/2012 1.50 Dutch Jan Verheijen 27/03/2021 2.25 Dutch Robby Kooken 30/08/2017 2.13 Finnish KP 01/04/2012 1.41 French Skorpix38 (feb 2019) 12/03/2019 2.20 French BLS 01/04/2020 2.21 French Eric FICHOT,Largo 24/01/2018 2.16 German «Latino» auf WinTotal.de 08/03/2021 2.25 Greek Θανάσης Κατσαγεώργης 20/05/2012 1.45 Gujarati Jay Simmons 22/04/2019 2.20 Hebrew Aharon Don 29/02/2020 2.21 Hellenic ÈáíÜóçò Êáôóáãåþñãçò 12/07/2011 1.00 Hungarian tpr / Koncz László 27/04/2016 1.97 Indonesian Ivan Dhuha Firmansyah 17/10/2016 2.02 Italian Alessandro Viscone 09/06/2019 2.20 Italian FELIX-TO 05/09/2016 2.01 Italian DottorFormat 26/08/2017 2.13 Japanese Žl“V‰¤Ž› 16/03/2019 2.20 Korean Lee J. K.(Wave) 25/06/2014 1.71 Norwegian DagCC_Nor 29/09/2015 1.85 Persian Amirreza Nasiri 29/01/2015 1.76 Polish Hightower 27/01/2018 2.16 Romanian Jaff (Oprea Nicolae) 05/02/2016 1.91 Russian Dmitry Yerokhin 30/12/2020 2.23 Simplified Chinese DickMoore 14/02/2021 2.23 Simplified Chinese 网钛远程桌面管理助手 15/02/2021 2.23 Simplified Chinese Sam-Trip 22/12/2018 2.19 Serbian Nikodijevic Igor 18/11/2016 1.00 Slovak František Fico 10/03/2021 2.25 Slovenian Jadran Rudec, jrudec@gmail.com 05/01/2021 2.23 Spanish Camilo Almario 24/05/2017 2.12 Spanish Carlos Sánchez 10/09/2017 2.13 Spanish Jose Alex Sandoval 25/02/2014 1.70 Swedish JLN 24/01/2021 2.23 Traditional Chinese Danfong Hsieh 28/02/2018 2.17 Traditional Chinese 丹楓(虫二電氣診所) 29/08/2012 1.55 Traditional Chinese qzwqzw 27/05/2012 1.45 Thai พงศธรณ์ สระอุทัย 28/08/2011 1.25 Turkish Saner Apaydin 14/07/2011 1.00 Turkish Tundra 14/07/2011 1.00 Turkish HARUN ARI 01/10/2011 1.31 Ukrainian Lembergman, December 2017 08/12/2017 2.1.5.0 Valencian vjatv 26/07/2011 1.05 Vietnamese Quach Tri Dat 20/05/2013 1.58 Vietnamese Phạm Tuấn Khanh - ptk911 10/05/2015 1.79