We are moving to Amazon Web Services (AWS) for our São Paulo (Brazil) monitoring location.
The IP address for our São Paulo location will change from February 13, 2012.

The new IP details are given in the below table.

Location	Old IP	New IP
São Paulo	200.170.83.170	177.71.177.249

If you have enabled IP restriction in your server, make sure that you white-list the new IP address. If you have any questions, do contact us at support@site24x7.com.