[nobody@rumba /tmp]# uptime
 05:03:59 up 3 days,  5:34,  0 users,  load average: 0.10, 0.04, 0.01

[nobody@rumba /tmp]# who
USER	TTY	FROM			LOGIN@   IDLE   JCPU   PCPU	WHAT
nobody	pts/0	38.107.179.217		00:00    0.00s  0.20s  0.00s	GET /

[nobody@rumba /tmp]# host 38.107.179.217
Host 217.179.107.38.in-addr.arpa. not found: 3(NXDOMAIN)

[nobody@rumba /tmp]# _