Outgoing IP Addresses

Overview

Varibill Source Collector jobs run within the Varibill cloud infrastructure.

When these jobs execute, they make outbound requests to external systems, such as APIs, databases, or secure environments, to retrieve usage and billing data.

To support secure integrations, outbound requests originate from defined public IP ranges. Customers can use these ranges to configure firewall allowlists and restrict access to trusted sources.

Each Varibill region uses its own fixed public IP range.

Regions

Varibill operates Source Collector infrastructure in the following Azure regions:

• Azure – South Africa North
• Azure – UK South

South Africa Region

Requests originating from Varibill Source Collector jobs hosted in Azure – South Africa North use the following fixed public IP prefix.

IP Range (CIDR)

4.168.248.16/28

Subnet Mask

255.255.255.240

United Kingdom Region

Requests originating from Varibill Source Collector jobs hosted in Azure – UK South use the following fixed public IP prefix.

IP Range (CIDR)

131.145.168.224/28

Subnet Mask

255.255.255.240