With the recent migration to Amazon Web Services we’ve adeed new IPs that Buddy will use for connections. Here is the list of IPs that you need to whitelist to avoid problems with your firewall in the future:

13.58.182.192
18.191.41.36
18.216.160.193
18.216.201.25
18.218.192.178
18.218.38.182
18.219.118.165
18.219.233.31
18.220.196.226
52.15.198.237

The most recent list of IPs is always available here.