A group of invited volunteers that manages certain aspects of the Internet, such as standards and address allocation. A volunteer organization that meets regularly to discuss problems facing the Internet. IP Internet Protocol. The main protocol used on the Internet. A four-part number that uniquely identifies a machine on the Internet.
People generally use the name instead.
IRC Internet Relay Chat. A worldwide network of people talking to each other in real time over the Internet rather than in person. IRS Internal Revenue Service. If you live in the United States and are not aware of them, you might want to watch out. ISOC The Internet Society.