Data Centers and Discovery URL's of CRM

For Microsoft Dynamics CRM 2015 and Microsoft Dynamics CRM Online 2015 Update installations, server and organization allocation may change as part of datacenter management and load balancing. Therefore, the IDiscoveryService Web service provides a way to discover which Microsoft Dynamics CRM server is serving your organization at a given time.

The following table lists the Web service URLs for the worldwide Microsoft Dynamics CRM Online data centers.

North America	https://dev.crm.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft account
	https://disco.crm.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft Office 365
North America 2	https://disco.crm9.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft Office 365
Europe, Middle East and Africa (EMEA)	https://dev.crm4.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft account
	https://disco.crm4.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft Office 365
Asia Pacific Area (APAC)	https://dev.crm5.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft account
	https://disco.crm5.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft Office 365
Oceania	https://disco.crm6.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft Office 365
Japan (JPN)	https://disco.crm7.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft Office 365
South America	https://disco.crm2.dynamics.com/XRMServices/2011/Discovery.svc	Microsoft Office 365

 

For more information please check this
Hope this helps.
 
--
Happy CRM'ing
Gopinath