IP address range of Windows Azure (Microsoft Data Centers)

This may be of interest to you if you want to change your service namespace or your app in one region is accessing your SQL Azure in another region. Here are IP ranges copied over from this link. Review details there.

IP Ranges
United States (North/Central): 65.52.0.0/21, 65.52.8.0/21, 65.52.16.0/21, 65.52.24.0/21, 207.46.203.64/27, 207.46.203.96/27, 207.46.205.0/24

Europe (North): 94.245.88.0/21, 94.245.104.0/21, 65.52.64.0/21, 65.52.72.0/21, 94.245.114.0/27, 94.245.114.32/27, 94.245.122.0/24


Asia (Southeast): 111.221.80.0/21, 111.221.88.0/21, 207.46.59.64/27, 207.46.59.96/27

You can also ping or tracert your SQL Azure Server.