Working With MAC Addresses
What Is MAC?
MAC is the technology used for access control and identification of computers on an Internet Protocol (IP) network.
Introduction to MAC Addressing
The MAC address is used by network adapters to uniquely identify themselves on a LAN. MAC addresses are 12-digit hexadecimal numbers that map to IP addresses through an address resolution protocol (ARP).
How to Find and Change a MAC Address
If MAC addresses are not managed properly, your high-speed Internet connection may stop working. Use this tips to both find and change MAC addresses when needed.
How Can I Get a MAC Address from an IP Address?
TCP/IP networks keep track of both the IP addresses and MAC addresses of connected computers. Given an IP address, here's how you can get to the corresponding MAC address... sometimes.
Enable MAC Address Filtering on Wireless Routers
MAC address filtering is a feature that improves wireless home network security. Most wireless routers disable this feature by default. Consider enabling it.
ARP - Address Resolution Protocol
ARP technology translates IP addresses to MAC addresses on a TCP/IP network.
Can MAC Addresses Be Converted to IP Addresses?
ARP translates IP addresses to MAC addresses. However, there is no universal mechanism to translate in the other direction.