Looks like the “/go” is missing from the URL you posted. he verification URL for you in the Asia-Pacific region would be:
http://www.adobe.com/go/eduverify_ap
and this works in Internet Explorer 11 on my Windows 8.1 computer.
Here is a FAQ page that gives more information as well as the URLs for various regions including AP:
http://helpx.adobe.com/x-productkb/policy-pricing/education-faq.html