Modified Web.config file but changes are not refelcting upon browsing the site.

I have modified by Web.config to add the following
<system.webServer>
<security>
    <ipSecurity allowUnlisted="false">
      <clear/>
      <add ipAddress="XXX.XX.XX.XX" allowed="true"/>
    </ipSecurity>
    </security>
  <modules runAllManagedModulesForAllRequests="true"/>
</system.webServer>

And i was able to restrict the access to only one IP.
After this i modified again and added two more IP's to the list.
Restarted IIS.
But the other two IP's are not able to access the website.

I can confirm that the changes are made to proper web.config file. Restarted IIS 3-4 times from Command prompt. Also stop and start in IIS was done.
Still unable to see my changes.

Kindly help and suggest.
Praful_KapseAsked:
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Praful_KapseAuthor Commented:
Not sure what was the problem but now it is working as expected.

Problem resolved.

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Microsoft IIS Web Server

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