| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processing technique that enables simple and quick construction of an environment that provides information on what kinds of people have visited a facility.SOLUTION: A server 1 connected to a local network L installed in a facility with the Internet 7 comprises: communication apparatus detection unit F11 means that obtains a frame flowing on a local network L from a frame transmission path which is established between the local network L and the server 1 and transmits an MAC frame by IP communication, collects the MAC address of a frame transmission source communication apparatus 2, and detects the communication apparatus 2 participating in the local network L; a possessor information extraction unit F14 that extracts possessor information associated with the MAC address of the detected communication apparatus 2; and an access information generation unit F15 that generates access information that includes the extracted possessor information and indicates that the communication apparatus has accessed the local network L in the facility. |
