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Internet Protocol version 4 (IPv4) defines an IP address as a 32-bit number. [2] However, because of the growth of the Internet and the depletion of available IPv4 addresses, a new version of IP , using 128 bits for the IP address, was standardized in 1998. [3] [4] [5] IPv6 deployment has been ongoing since the mid-2000s.
These are 32-bit numbers expressed in four octets, separated in a so-called “dotted decimal” notation—for example, 192.0.2.53. ... name > your IP address is displayed to the right of “IP ...
IPv4 - Wikipedia ... IPv4
IPv6 address - Wikipedia ... IPv6 address
Classless Inter-Domain Routing
IPv4 address exhaustion is the depletion of the pool of unallocated IPv4 addresses. Because the original Internet architecture had fewer than 4.3 billion addresses available, depletion has been anticipated since the late 1980s when the Internet started experiencing dramatic growth. This depletion is one of the reasons for the development and ...
Multicast address
The Internet Protocol that finally emerged was assigned version number 6, being the lowest free number greater than 4. The PIP protocol and TUBA protocol used versions 8 and 9, following version 7 for TP/IX. In 2004, an IPv9 protocol was developed in China using 256-bit addresses.