<html><body><div style="font-family: times new roman, new york, times, serif; font-size: 12pt; color: #000000"><div>I had to add Pn</div><div><br></div><div><p style="margin: 0px;" data-mce-style="margin: 0px;"><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">[root@test]# time nmap -sn -PE -PP -PM -PO -n 10.139.128.170 2>&1</span></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">Starting Nmap 5.61TEST4 ( http://nmap.org ) at 2014-10-10 20:55 UTC</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">Nmap done: 1 IP address (0 hosts up) scanned in 3.04 seconds</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">real 0m 3.05s</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">user 0m 0.01s</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">sys 0m 0.02s</span></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">[root@test]# time nmap -sn -PE -PP -PM -PO -Pn -n 10.139.128.170 2>&1</span></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">Starting Nmap 5.61TEST4 ( http://nmap.org ) at 2014-10-10 20:55 UTC</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">Nmap scan report for 10.139.128.170</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">Host is up.</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">Nmap done: 1 IP address (1 host up) scanned in 0.01 seconds</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">real 0m 0.02s</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">user 0m 0.00s</span><br><span style="font-family: 'courier new', courier, monaco, monospace, sans-serif;">sys 0m 0.01s</span></p></div><div><br></div></div></body></html>