[01:25:19] [root@thoth:~] # nmap -v -P0 -O 83.226.134.126

Starting Nmap 4.20 ( http://insecure.org ) at 2006-12-19 01:25 CET
Initiating Parallel DNS resolution of 1 host. at 01:25
Completed Parallel DNS resolution of 1 host. at 01:25, 0.15s elapsed
Initiating SYN Stealth Scan at 01:25
Scanning c-7e86e253.06-176-7570701.cust.bredbandsbolaget.se (83.226.134.126) [1697 ports]
SYN Stealth Scan Timing: About 8.57% done; ETC: 01:31 (0:05:20 remaining)
Completed SYN Stealth Scan at 01:31, 341.51s elapsed (1697 total ports)
Warning:  OS detection for 83.226.134.126 will be MUCH less reliable because we did not find at least 1 open and 1 closed TCP port
Initiating OS detection (try #1) against c-7e86e253.06-176-7570701.cust.bredbandsbolaget.se (83.226.134.126)
Host c-7e86e253.06-176-7570701.cust.bredbandsbolaget.se (83.226.134.126) appears to be up ... good.
All 1697 scanned ports on c-7e86e253.06-176-7570701.cust.bredbandsbolaget.se (83.226.134.126) are filtered
Too many fingerprints match this host to give specific OS details

OS detection performed. Please report any incorrect results at http://insecure.org/nmap/submit/ .
Nmap finished: 1 IP address (1 host up) scanned in 346.499 seconds
               Raw packets sent: 3418 (152.672KB) | Rcvd: 0 (0B)
[01:31:14] [root@thoth:~] #