ip addresses and cidr ranges

ping multiple host names and IP addresses.

Arm Whois lets you find any information for IP-addresses or domains

Easily switches IP addresses, gateway, DNS and WINS settings

Scan any range of 2 IP addresses and show the list of pcANYWHERE hosts.

A DHCP server for Windows. It automatically assigns IP addresses to networked

Protowall is a lightweight program that blocks thousands of bad IP addresses

Change old IP addresses to the new IPv6 standard.

Block all communications with selected IP and IP ranges with ease.