Simply go to Address Leases under the Scope and you can view both the client IP address and the Unique ID, which is the MAC address. You can either go into the DHCP console on Windows Server 2003/2008 or you can log into your wireless router at home, if that is what you are using. Whether you are in a corporate environment or at home, each computer is being assigned an IP address from a DHCP server (unless it’s a static network, which is rare). The simplest way to get an IP address from a MAC address is to check out the DHCP server, if possible. If you’re sure the MAC address is a computer, then try the methods below to determine the IP address.
You can also find out if the MAC address is from a switch or other networking device from HP, CISCO, etc. If you suspect the MAC address is a printer, first check out this site below to see if it matches a major manufacturer: It could also be the MAC address for a printer or some other type of device on the network. Firstly, it’s important to understand that the MAC address might not be the address for a PC. There are a couple of ways you can go about doing this. Ever had to reverse lookup an IP address? Kind of like looking up a home address using a phone number? If you’re in IT, you might come across the occasional situation where you have a MAC address, but need to figure out what the IP address is.