Search for the location of any IP address via this widget connected with Google Map. Enter the IP address or domain to find the location and other information. Just click on the IP/Domain button to search. To get the code go to the widget's web page and click on the blue text [ブログパーツ、検索窓の設置 ] under and to the right of the [IP or Domain] button on the top of the page.

This is a great to tool to know the last time a Google or Yahoo robot crawled your site. Just enter your URL and click the button under it (in Japanese). The code for your widget is generated. Just copy and paste on your site. Generate the Yahoo and Google widgets separately.