In a digital broadcasting system comprising a server for retransmitting a digital broadcast on the basis of an Internet protocol (IP), a user terminal for receiving the digital broadcast on the basis of the IP, and a router for connecting the server with the user terminal, the server performs a method for providing the broadcasting channel information that includes the steps of dividing a broadcasting stream to be transmitted to the user terminal into the broadcasting channel information and other information excluding the broadcasting channel information by demultiplexing the broadcasting stream and extracting the broadcasting channel information from the divided broadcasting stream, converting the extracted broadcasting channel information into IP-based broadcasting channel information by inserting the Internet protocol information for each broadcasting channel into the extracted broadcasting channel information, and remultiplexing the IP-based converted broadcasting channel information and the other information and transmitting the remultiplexed information to the user terminal.