Q. How are IPv4 addresses different from IPv6 addresses?

Answer =

Internet Protocol (IP) is a set of technical rules that define how computers communicate over a network.
There are currently two versions:- IP version 4 (IPv4) and IP version 6 (IPv6).

IPv4 was the first version of Internet Protocol to be widely used and still accounts for most of today's Internet traffic. There are just over 4 billion IPv4 addresses. While that is a lot of IP addresses, it is not enough to last forever.

IPv6 is a newer numbering system to replace IPv4. It was deployed in 1999 and provides far more IP addresses, which should meet the need well into the future.

The major difference between IPv4 and IPv6 is the number of IP addresses. Although there are slightly more than 4 billion IPv4 addresses, there are more than 16 billion-billion IPv6 addresses.


Internet Protocol version 4 (IPv4)

Internet Protocol version 6 (IPv6)

Address size

32-bit number

128-bit number

Address format

Dotted decimal notation :

Hexadecimal notation:


Address of addresses



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