question

ATSUKOYONEDA-9020 avatar image
0 Votes"
ATSUKOYONEDA-9020 asked AlanKinane commented

IP Address Assignment for VNet

We are currently on-premise, using IP addresses in the 100.1.x.x range, and plan to migrate some of our environment to Azure.
When building a system in Azure, is it possible to assign IP addresses within this range?

I have checked the following description, but I thought there might be a possibility that it might not be available in the future, etc.,
so I asked the question.

It is recommended to use the address ranges enumerated in RFC 1918.
These ranges are reserved by the IETF for private, non-routable address space.

https://docs.microsoft.com/ja-jp/azure/virtual-network/virtual-networks-faq
azure-virtual-network
· 1
5 |1600 characters needed characters left characters exceeded

Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total.

It's not recommended to use the same address space as on premises as otherwise you will not easily be able to connect the two environments. In the long term it's better to plan your Azure environment as a different site with its own address space.

0 Votes 0 ·

1 Answer

msrini-MSFT avatar image
0 Votes"
msrini-MSFT answered

@ATSUKOYONEDA-9020 ,

You can use any IP space for Azure Virtual Network. It is not necessary that you need to stick with RFC 1918. As long as there is no overlap of IP address between On-Premises and Azure, you can connect to Azure privately without any issues.

Regards,
Karthik Srinivas

5 |1600 characters needed characters left characters exceeded

Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total.