ATT Network Security/Mail Admin Team

Hello NANOG, Sorry for the spam, trying to resolve a large issue with AT&T blacklisting my employer (We are a large, well known web security company). Attempts to resolve via the normal channels have failed for the last couple hours and this issue is impacting thousands of AT&T customers and thousands of our own. Emails to my account reps, noc@att.com, netsec@att.com and tickets go un-responded too. MIS Helpdesk states they have no way to contact the admin team in charge of listings. Would appreciate a off-list contact. Thanks! -Chris