In general, no, <aixbugs@austin.ibm.com> and <services@austin.ibm.com>
are no longer supported.

IBM does maintain a fee based system, the AIX Support Family Services
at 1-800-CALL-AIX (1-800-225-5249) option 8.

In Canada:

Gary Tomic mentioned that Canadian customers can get support from their
BBS, cac.toronto.ibm.com at 142.77.253.16.

In Germany:

Thomas Braunbeck reported that German customers with ESS (extended
software service) contracts can get support by e-mail too. They can 
obtain information by sending mail with Subject: help to 
aixcall@aixserv.mainz.ibm.de.

Various flavors of service offerings are available. Contact your IBM rep
for details.

Some parts © 2009 Advameg, Inc.