IP Addresses for Allow Lists
- Terry Humphries
- Jonathan Umscheid
Owned by Terry Humphries, created
In most cases you should not need to configure an allow list for GTP Services. However, if you’re having issues with connectivity to some GTP Services you should add the following IPs to your firewall allow list. We’ve included IPs for GTP Services as well as those used for our service provider Microsoft Azure. In all cases we use a minimum of TLS 1.2 and port 443.
Inbound Calls
When you are connecting to our services the following IP addresses can be used:
GTP Services
20.81.121.121, 20.171.225.158
Microsoft Azure
20.40.229.4
Outbound Responses
When you are receiving a response from our services the following IP addresses can be used:
GTP Services
20.75.136.112/28, 20.125.92.32/28
Microsoft Azure
20.40.229.4
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