Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

For questions about Internet Protocol (IP), an OSI layer-3 network protocol. There are two current IP versions in use: IPv4 and IPv6.

Internet Protocol (IP) is an OSI layer-3 network protocol which encapsulates, addresses, and delivers datagrams from higher layer protocols.

There are two current IP versions in use: IPv4 and IPv6.

history | excerpt history