Microsoft UDDI	General Info : http://uddi.microsoft.com Live Inquiries: http://uddi.microsoft.com:80/inquire Live Publish : https://uddi.microsoft.com:443/publish Test Inquiries: http://test.uddi.microsoft.com:80/inquire Test Publish : https://test.uddi.microsoft.com:443/publish Test Inq (v2) : http://uddi.rte.microsoft.com:80/inquire Test Pub (v2) : https://uddi.rte.microsoft.com:443/publish
IBM UDDI	General Info : https://www-3.ibm.com/services/uddi/protect/registry.html Live Inquiries: http://www-3.ibm.com:80/services/uddi/inquiryapi Live Publish : https://www-3.ibm.com:443/services/uddi/protect/publishapi Test Inquiries: http://www-3.ibm.com:80/services/uddi/testregistry/inquiryapi Test Publish : https://www-3.ibm.com:443/services/uddi/testregistry/protect/publishapi Test Inq (v2) : http://www-3.ibm.com:80/services/uddi/v2beta/inquiryapi Test Pub (v2) : https://www-3.ibm.com:443/services/uddi/v2beta/protect/publishapi
HP UDDI	General Info :http://uddi.hp.com Live Inquiries: http://uddi.hp.com/ubr/inquire Live Publish : https://uddi.hp.com/ubr/publish
XMethods UDDI	General Info : http://xmethods.net Live Inquiries: http://uddi.xmethods.net/inquire Live Publish : None (XMethods UDDI is private)
Systinet	General Info : http://systinet.com Inquiries : http://www.systinet.com:80/wasp/uddi/inquiry/ Publish : http://www.systinet.com:443/wasp/uddi/publishing/

Lumina Usage Tips:

Before you can discover you must connect to a UDDI Registry. This is accomplished by clicking on the "Registry" menu, clicking "Select Registry", "add" to add a registry if necessary, and finally highlighting a registry and clicking "Connect".