Insufficient responses for TCP sequencing (3), OS detection may be less accurate
Interesting ports on  (203.148.219.135):
(The 1530 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     open        ftp                     
25/tcp     open        smtp                    
53/tcp     open        domain                  
80/tcp     open        http                    
106/tcp    open        pop3pw                  
110/tcp    open        pop-3                   
135/tcp    open        loc-srv                 
139/tcp    open        netbios-ssn             
143/tcp    open        imap2                   
389/tcp    open        ldap                    
443/tcp    open        https                   
1031/tcp   open        iad2                    

No exact OS matches for host (If you know what OS is running on it, see http://www.insecure.org/cgi-bin/nmap-submit.cgi).
TCP/IP fingerprint:
SInfo(V=2.54BETA22%P=i386-unknown-freebsd4.0%D=6/6%Time=3B1DECDD%O=21%C=1)
T1(Resp=Y%DF=Y%W=B68%ACK=S++%Flags=AS%Ops=M)
TSeq(Class=TD%gcd=1%SI=2%IPID=BI%TS=U)
TSeq(Class=TD%gcd=2%SI=3%IPID=BI%TS=U)
T2(Resp=Y%DF=N%W=0%ACK=S%Flags=AR%Ops=)
T1(Resp=Y%DF=Y%W=B68%ACK=S++%Flags=AS%Ops=M)
T3(Resp=Y%DF=Y%W=B68%ACK=S++%Flags=AS%Ops=M)
T2(Resp=Y%DF=N%W=0%ACK=S%Flags=AR%Ops=)
T4(Resp=Y%DF=N%W=0%ACK=O%Flags=R%Ops=)
T3(Resp=Y%DF=Y%W=B68%ACK=S++%Flags=AS%Ops=M)
T5(Resp=Y%DF=N%W=0%ACK=S++%Flags=AR%Ops=)
T4(Resp=Y%DF=N%W=0%ACK=O%Flags=R%Ops=)
T6(Resp=N)
T5(Resp=Y%DF=N%W=0%ACK=S++%Flags=AR%Ops=)
T7(Resp=Y%DF=N%W=0%ACK=S++%Flags=AR%Ops=)
T6(Resp=Y%DF=N%W=0%ACK=O%Flags=R%Ops=)
PU(Resp=Y%DF=N%TOS=0%IPLEN=38%RIPTL=148%RID=E%RIPCK=E%UCK=E%ULEN=134%DAT=E)
T7(Resp=Y%DF=N%W=0%ACK=S++%Flags=AR%Ops=)
PU(Resp=N)




# Nmap run completed at Wed Jun  6 04:42:05 2001 -- 1 IP address (1 host up) scanned in 185 seconds