March 22, 2018
What to do when you need more public IP’s in your Azure Subscription
Sometimes you need more public IP for your subscription and the ARM resources limit is set at ‘Per region per subscription’ basis. Therefore, 20 is the default limit per region in the subscription. You would have 20 as default limit for all the regions respectively.
Like any other quota increase request you need to open a ticket with Azure support and need to request the additional IP’s.