https://devzone.nordicsemi.com/f/nordic-q-a/42732/sim-card-support-outside-of-regionsHi there, We&#39;re working with a Nordic nRF9160 DK and are trying to get access to the network in both Spain and in Ireland. In both cases, the iBasis SIM won&#39;t work in these regions. We have requested a SIM through Vodafone and in the process theyen-USTelligent Community 13Mon, 21 Jan 2019 09:34:37 GMThttps://devzone.nordicsemi.com/thread/166755?ContentTypeID=1Mon, 21 Jan 2019 09:34:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c32d7e65-975f-4507-8a04-deb91731a9b3Markus Tacker (he/him)<p>Paul,</p> <p>we run our infrastructure on AWS in a serverless fashion which does not allow us to use dedicated IP addresses. However the IP address ranges AWS is using is published here:&nbsp;<a href="https://docs.aws.amazon.com/general/latest/gr/aws-ip-ranges.html">https://docs.aws.amazon.com/general/latest/gr/aws-ip-ranges.html</a>&nbsp;- you could use this list to configure the firewall. However I do not advise this approach since it means that the list has to be monitored for changes.</p><div style="clear:both;"></div>