Sharepoint sub-sites IP Address Restrictions

Dear All,

I have a Sharepoint site and use IIS 7.5's IP Address Restriction module to allow the access to specific clients only.

Recently, we've had to create an additional sub-site that will require a different IP Restriction configuration.

As the IP Address restriction module applies to the entire site, is there another way to achieve this and customize the access per sub-site?

Will greatly appreciate any hint on this

Thanks in advance