About licenses for GitHub Advanced Security
Each license for GitHub Advanced Security specifies a maximum number of accounts, or seats, that can use these features. Periodically you should check that your use is within your license capacity. For more information, see "About billing for GitHub Advanced Security."
You can calculate how many additional seats will be used if you enable GitHub Advanced Security for more organizations and repositories with the site admin dashboard. For more information, see "Site admin dashboard."
Viewing GitHub Advanced Security license usage for your enterprise account
You can view the enterprise account's current seat limits and usage.
In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.
In the enterprise account sidebar, click Settings.
In the left sidebar, click License.
The "GitHub Advanced Security" section shows details of the current usage. You can see the total number of licenses used, as well as a table with the number of committers and unique committers for each organization.
Optionally, click the name of an organization where you are an owner to display the security and analysis settings for the organization.
On the "Security & analysis" settings page, scroll to the "GitHub Advanced Security repositories" section to see a detailed breakdown of usage by repository for this organization. For more information, see "Managing security and analysis settings for your organization."