sudo nmap -sV -O -v 172.27.101.36

Starting Nmap 4.20 ( http://insecure.org ) at 2007-06-20 13:38 EEST
Initiating ARP Ping Scan at 13:38
Scanning 172.27.101.36 [1 port]
Completed ARP Ping Scan at 13:38, 0.02s elapsed (1 total hosts)
Initiating Parallel DNS resolution of 1 host. at 13:38
Completed Parallel DNS resolution of 1 host. at 13:38, 0.00s elapsed
Initiating SYN Stealth Scan at 13:38
Scanning 172.27.101.36 [1697 ports]
Discovered open port 3389/tcp on 172.27.101.36
Discovered open port 80/tcp on 172.27.101.36
Discovered open port 5101/tcp on 172.27.101.36
SYN Stealth Scan Timing: About 32.33% done; ETC: 13:40 (0:01:02 remaining)
Discovered open port 139/tcp on 172.27.101.36
Discovered open port 445/tcp on 172.27.101.36
Completed SYN Stealth Scan at 13:40, 67.90s elapsed (1697 total ports)
Initiating Service scan at 13:40
Scanning 5 services on 172.27.101.36
Completed Service scan at 13:41, 88.73s elapsed (5 services on 1 host)
Warning:  OS detection for 172.27.101.36 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 172.27.101.36
Retrying OS detection (try #2) against 172.27.101.36
Initiating gen1 OS Detection against 172.27.101.36 at 160.965s
Warning:  OS detection will be MUCH less reliable because we did not find at least 1 open and 1 closed TCP port
For OSScan assuming port 80 is open, 30216 is closed, and neither are firewalled
Insufficient responses for TCP sequencing (3), OS detection may be less accurate
Host 172.27.101.36 appears to be up ... good.
Interesting ports on 172.27.101.36:
Not shown: 1692 filtered ports
PORT     STATE SERVICE       VERSION
80/tcp   open  http?
139/tcp  open  netbios-ssn
445/tcp  open  microsoft-ds  Microsoft Windows XP microsoft-ds
3389/tcp open  microsoft-rdp Microsoft Terminal Service
5101/tcp open  admdog?
MAC Address: xx:xx:xx:xx:xx:xx (IBM)
Device type: general purpose
Running: Apple Mac OS X 10.3.X|10.4.X, IBM AIX 4.X, Microsoft Windows 2003/.NET|NT/2K/XP
OS details: Apple Mac OS X 10.3.5 or 10.3.7, Apple Mac OS X 10.3.8 or 10.4, Apple Mac OS X 10.4.0 - 10.4.4 (Tiger), IBM AIX 4.3.2.0-4.3.3.0 on an IBM RS/*, Microsoft Windows 2003 Server or XP SP2, Microsoft Windows 2000 SP4 or Windows XP SP1, Microsoft Windows XP SP2
Network Distance: 1 hop
IPID Sequence Generation: Incremental
Service Info: OS: Windows

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 163.298 seconds
               Raw packets sent: 5184 (232.562KB) | Rcvd: 46 (2786B)