PC*MILER WebServices does not have a static IP address, it is dynamic. Relying on an IP Address is highly discouraged, because it can cause timeouts and connectivity issues.


Our servers are hosted on the Amazon cloud. For information about Amazon IP addresses, see below. The ranges are owned by Amazon and not in ALK's control.


https://docs.aws.amazon.com/general/latest/gr/aws-ip-ranges.html