The banlist has never been cleared. You can go through it yourself to verify that.
Though nothing associated to your account was ever banned before your supposed attempt to connect in November of 2015. Also, additionally, if that account was actually blocked, the HLstats would've updated and you would no longer be on the rank pages, as they were already active in November of 2015.
These are the bans from the few weeks before the 1st of November:
View attachment 372
Even then though, none of them show any "blocked attempts" associated to your main account.
And I even bothered to go check deleted bans. None of them belong to you. (Only mistakes or test account bans get deleted from time to time)