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Geek-speek for "i think" :)

Communication Protocol (method) used across the internet, usually in conjuction with TCP.

All machines that want to communicate using IP require a unique IP address for the data to be 'routed' to the correct place. IP Addresses are available in IPv4 (4 numbers separated by dots - also known as dot1q) and IPv6 (8 hexadecimal numbers separated by colons). An IP address is divided into a network part, which must be the same on any one network, and a host portion, which must differ.

Internet Service Provider Organisation that provides internet connectivity, email, web hosting etc