C:\Program Files\Nmap>nmap -sV -A 81.96.171.144

Starting Nmap 4.20 ( http://insecure.org ) at 2006-12-17 22:42 GMT Standard Time

Warning:  OS detection for 81.96.171.144 will be MUCH less reliable because we d
id not find at least 1 open and 1 closed TCP port
All 1697 scanned ports on cpc2-brig6-0-0-cust911.brig.cable.ntl.com (81.96.171.1
44) are filtered
Device type: switch|remote management|general purpose|printer|VoIP gateway|firew
all|WAP
Running: 3Com embedded, HP embedded, Linux 2.4.X|2.6.X, Panasonic embedded, Vega
stream embedded, WatchGuard embedded
Too many fingerprints match this host to give specific OS details

OS and Service detection performed. Please report any incorrect results at http:
//insecure.org/nmap/submit/ .
Nmap finished: 1 IP address (1 host up) scanned in 40.610 seconds