Check below steps in explanation for Task
Explanation:
To ensure that only devices connected to a 131-107.0.0/16 subnet can access data in the rg1lod28681041 Azure Storage account, you can follow these steps:
In the Azure portal, search for and select the storage account named rg1lod28681041.
In the left pane, select Firewalls and virtual networks.
In the Firewalls and virtual networks pane, select Selected networks.
In the Selected networks pane, select Add existing virtual network.
In the Add existing virtual network pane, select the virtual network that contains the 131-107.0.0/16 subnet.
Select Add.
https://docs.microsoft.com/en-us/azure/storage/common/storage-network-security