It was not my opinion
, it was in my experience
, so there is nothing to not
From man w
The following entries are displayed for each user: login name, the tty name, the remote host, login
time, idle time, JCPU, PCPU, and the command line of their current process.
That does not say remote IP address
, it says remote host
, which it gets by reverse lookup of IP address, or the IP address if there is no lookup response.
So while our experience with whether we see IP addresses or host strings may be different, nonetheless, that is what that field is.