![]() Networking equipment such as routers and switches use IP addresses and/or MAC addresses to direct traffic between computers/devices on the network. ![]() (A bit like the chassis number of a car!) It is hardcoded into the device by the manufacturer when the device is built. They are expressed in hexadecimal using 8 blocks of 2 Bytes (4 hexadecimal digits) separated by colons e.g.:Ī MAC Address is static and unique for a device. IPv6 addresses consist of 16 Bytes (=128 bits). To overcome the issue of the Internet running out of unique IPv4 addresses, a new format was introduced. This is the reason why the Internet is progressively upgrading to the next generation of IP addresses: IPv6… IPv6 Addresses Remember, every device (router, computer, smartphone, smartwatch, smart TV, smart speaker, etc.) connected to the Internet will have its own IP address and there are nearly 8 billions human beings on planet Earth. Though this seems like a large number, we are reaching a stage where we are running out of unique IP addresses. Some devices can be configured on an IP network to have a static IP address: it will remain she same even if you restart your device.Īs an IPv4 address consists of 4 Bytes (=32 bits), there are 2 32 possible IP addresses which is just under 4.3 billions IP addresses. A dynamic IP Address can change every time your restart your device/reconnect to the network.
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