An IPv6 address is 128 bits long, a much larger address space than the address space in IPv4. It can provide approximately 3.4 * 10 ^ 38 addresses.
IPv6 addresses are represented as a series of 16-bit fields presented as a hexadecimal number and separated by colons (:). The format used is x:x:x:x:x:x:x:x.
To shorten the writing of IPv6 addresses, you can use the following techniques:
FIGURE 10-1 IP addresses
The main benefits of IPv6 include the following: