NirBlog - New utility that lists computers and devices connected to your network
WhoIsConnectedSniffer is a new utility that listens to network packets on your network adapter using a capture driver (WinpCap or MS network monitor) and accumulates a list of computer and devices currently connected to your network. ...
NirSoft - WhoIsConnectedSniffer v1.00
WhoIsConnectedSniffer is a network discovery tool that listens to network packets on your network adapter using a capture driver (WinpCap or MS network monitor) and accumulates a list of computer and devices currently connected to your network. WhoIsConnectedSniffer uses various protocols to detect the computers connected to your network, including ARP, UDP, DHCP, mDNS, and BROWSER.
For every detected computer or device, the following information is displayed: (Some of the fields might be empty if the information cannot be found inside the packets) IP Address, MAC Address, name of the device/computer, description, Operating System, Network Adapter Company, IPv6 Address.
After collecting the connected computers/devices information, you can easily export the list to tab-delimited/comma-delimited/xml/html file.
WhoIsConnectedSniffer vs Other NirSoft Tools
As you may know, NirSoft already provides other tools (Wireless Network Watcher, NetBScanner) that scan the network and show the computers that are currently connected. As opposed to the other tools, WhoIsConnectedSniffer doesn't perform any scanning and it doesn't send any packet to the other computers. WhoIsConnectedSniffer only listens to the packets sent by other computers and devices, analyzes them and then displays the result on the main window.
WhoIsConnectedSniffer also provides some information that the other tools cannot get, like operating system, description text of the computer, IPv6 address.
System Requirements And Limitations
- Any version of Windows, starting from Windows 2000, and up to Windows 8. Both 32-bit and 64-bit systems are supported. When using Microsoft Network Monitor driver on 64-bit system, you must use the 64-bit version of WhoIsConnectedSniffer.
- You have to install one of the following capture drivers:
- WhoIsConnectedSniffer cannot detect a device or computer if it doesn't send any packet that is received by the computer running this tool.
- WhoIsConnectedSniffer cannot detect computers from other subnets.
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Protocols supported by WhoIsConnectedSniffer
- ARP: WhoIsConnectedSniffer listens to this protocol to get the IP address and MAC address of computers and devices.
- UDP: When a computer broadcasts a UDP packet to all other computers, WhoIsConnectedSniffer extracts from it the IP address and the MAC address.
- DHCP: When a computer connects to the network, it usually sends a DHCP request. WhoIsConnectedSniffer uses this request to get the host name and IP address of the computer.
- mDNS: This protocol is used on Linux and Mac OS systems. WhoIsConnectedSniffer uses it to get the host name and IP address of the computer, and also the operating system (on Linux)
- BROWSER: This protocol is mainly used by Windows, but some Linux systems supports this protocol too. WhoIsConnectedSniffer uses it to get the name of the computer, description text of the computer, and the operating system.
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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't sell it or distribute it as a part of commercial product. If you distribute this utility, you must include all files in the distribution package, without any modification !
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Cool tool from the cool guys at NirSoft [insert my usual, "These guys are like the old Wininternals/Sysinternals guys" snip here. Mark R, you following these guys? ...]
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