mony@deimos:~$ nmap -p 6667 64.32.24.176

Starting Nmap 6.40 ( http://nmap.org ) at 2015-02-13 23:16 EET
Nmap scan report for morgan.fn.3rdi.se (64.32.24.176)
Host is up (0.16s latency).
PORT     STATE SERVICE
6667/tcp open  irc

Nmap done: 1 IP address (1 host up) scanned in 1.83 seconds
mony@deimos:~$ telnet 64.32.24.176 6667
Trying 64.32.24.176...
Connected to 64.32.24.176.
Escape character is '^]'.
:morgan.freenode.net NOTICE * :*** Looking up your hostname...
:morgan.freenode.net NOTICE * :*** Checking Ident
:morgan.freenode.net NOTICE * :*** Found your hostname
:morgan.freenode.net NOTICE * :*** No Ident response
^]
telnet> quit