Azure Firewall Premium SKU
We are looking at Github samples [Create Firewall with firewall Policy][1] for creating Azure Firewall using ARM templates. The sample creates a 'time-windows' outbound NetworkRule to 13.86.101.172:123. Can someone tell me what is this 13.86.101.172 IP Address? Do we need to create this rule in our Production workload? [1]: https://github.com/Azure/azure-quickstart-templates/tree/0e4e31c3b7e91c5564738676f0cc01e91027ee57/101-azurefirewall-create-with-firewallpolicy-apprule-netrule-ipgroups