AWS

1. Log into your AWS Console with your Organization Payer Account.

2. Search and go to “Billing Service.”

3. On the left menu, click on “Bills.” In the upper right, select the most recent full month from the dropdown menu.

4. Scroll down to “Charges by Service” and put in a filter for “NAT.”

5. Add up the total number of “hours” across all regions. Divide by 730 hours in an average month and use that number as the input for “Number of NAT Gateways/Firewalls.”

6. Add up the total number of GB across all regions. Use that number as the input for “Estimated traffic per month.”

Azure

1. Log into your Azure Portal with your Billing Account.

2. Search and go to “Cost Management + Billing.”

3. On the left menu, click on “Invoices” and click on the invoice for the most recent month.

4. At the top of the screen, select ‘Edit Columns’ and ensure that “Units” and “Unit type” are selected as visible.

5. Under ‘Search’ type “NAT.”

6. Find at the Unit type “1 NAT Gateway Hour.” Take the number of “Units” and divide by 730 hours in an average month. Use that number as the input for “Number of NAT gateways.”

7. Find the Unit type “1 NAT Gateway GB.” Input that number for ‘Estimated traffic per month.’