Arnet Vs. freenode.net: the banned IP case

First thing in the morning, I get up, make some coffee, connect to work's IRC. But today that didn't work as usual, the IP the ISP assigned me was on a black list:

NOTICE * *** Looking up your hostname...
NOTICE * *** Checking Ident
NOTICE * *** Found your hostname
NOTICE * *** No Ident response
465: You are banned from this server- You have a host listed in the DroneBL. For more information, visit dronebl.org/lookup_branded.do?ip=190.230.24.15  Please contact proxyscan@freenode.net with questions.
ERROR Closing Link: host15.190-230-24.telecom.net.ar (*** Banned )

Renewing the IP got the trick done.