Changes

'''IPv4 (Internet Protocol version 4)''' is the version of internet protocol which defines IP addresses in a 32-bit format. It has been the general standard to deliver information between devices connected to the Internet.<ref>[http://www.ehow.com/about_5497801_history-ip-internet-address.html ehow.com]</ref> The last blocks of IPv4 addresses were allocated by [[IANA]] to the [[RIR|Regional Internet Registries]]  

'''IPv4 (Internet Protocol version 4)''' is the version of internet protocol which defines IP addresses in a 32-bit format. It has been the general standard to deliver information between devices connected to the Internet.<ref>[http://www.ehow.com/about_5497801_history-ip-internet-address.html ehow.com]</ref> The last blocks of IPv4 addresses were allocated by [[IANA]] to the [[RIR|Regional Internet Registries]] in February, 2011.

==Background==

==Background==