nmap -O www.monitor.hr

Starting Nmap 4.20 ( http://insecure.org ) at 2007-09-26 03:21 CEST
Interesting ports on 228.120.232.72.static.reverse.ltdomains.com (72.232.120.228):
Not shown: 1655 filtered ports, 30 closed ports
Device type: firewall|broadband router
Running (JUST GUESSING) : IPCop Linux 2.4.X (87%), Linksys embedded (85%)
Aggressive OS guesses: Ipcop V1.4.11 firewall (Linux 2.4.31) (87%), Linksys WRT54GS v4 running OpenWrt w/Linux kernel 2.4.30 (85%)
No exact OS matches for host (test conditions non-ideal).

OS detection performed. Please report any incorrect results at http://insecure.org/nmap/submit/ .
Nmap finished: 1 IP address (1 host up) scanned in 45.705 seconds