Pings computers.
Does not require administrative privileges.
Detects hardware (MAC) addresses even across routers.
Detects hidden shared folders (normally invisible on the network) and write accessible shares.
Detects your internal and external IP addresses.
Scans for listening TCP ports and SNMP services.
Retrieves currently logged-on users.
You can mount and explore network resources.
Can launch external third party applications.
Exports results to HTML, XML, CSV and TXT
Supports Wake-On-LAN, remote shutdown and sending network messages.
Retrieves potentially any information via WMI.
Retrieves information from remote registry.
It is absolutely free, requires no installation, and does not contain any adware/spyware/malware