| 摘要 |
<p>A communication apparatus includes a first storage portion (24) storing an address control table (23) registering a MAC address (51) which each of a plurality of communication devices (10) connected to the same local area network (4) has, a comparison portion (26) distinguishing each of the registered MAC addresses by comparing the MAC addresses corresponding to the plurality of communication devices registered in the address control table sequentially in a bit-by-bit manner until the MAC addresses can be distinguished from each other and a control portion (25) determining whether or not data transmitted in the local area network is acquired on the basis of a comparison result.</p> |
