Azure IP Lookup

This tool provides API services to fetch Azure region data and service tags via a domain name or an IP address.

Web UI

• Visit the Web UI here: https://www.azurespeed.com/Azure/IPLookup

Web API Usage

Function	Example URL
Domain name lookup	https://azure-ip-lookup.azurewebsites.net/api/ipAddress?ipOrDomain=www.azurespeed.com
IPv4 address lookup	https://azure-ip-lookup.azurewebsites.net/api/ipAddress?ipOrDomain=104.45.231.79
IPv6 address lookup	https://azure-ip-lookup.azurewebsites.net/api/ipAddress?ipOrDomain=2603:1030:0800:0005:0000:0000:BFEE:A418

Local Development Environment Setup

1. Download and install Dotnet Core SDK 6 from https://dotnet.microsoft.com/download/dotnet/6.0.

2. Open AzureIpLookup.sln file in Visual Studio 2022 or Rider.

3. Compile the code and start the function app locally. Access the local endpoint at http://localhost:7071/api/ipaddress?ipOrDomain=40.78.234.177. If you encounter an error The listener for function 'SyncServiceTagFiles' was unable to start, try running the Azurite Emulator locally with the following Docker command and then restart the function app:

   docker run --name azurite -p 10000:10000 -p 10001:10001 -p 10002:10002 mcr.microsoft.com/azure-storage/azurite

Cloud Deployment

At the moment, deployment is only supported on Azure Function. For detailed instructions, refer to the official Azure Function documentation.

Additional Resources

• Service Tags: https://docs.microsoft.com/en-us/azure/virtual-network/security-overview#service-tags
• URLs to download Azure's IP range and service tag data:
  • Azure Cloud: https://www.microsoft.com/en-us/download/details.aspx?id=56519
  • Azure China Cloud: https://www.microsoft.com/en-us/download/details.aspx?id=57062
  • Azure US Government Cloud: https://www.microsoft.com/en-us/download/details.aspx?id=57063