Interesting ports on ylane.voisk.tln.edu.ee (213.168.8.4):
(The 1518 ports scanned but not shown below are in state: closed)
Port       State       Service
7/tcp      open        echo                    
9/tcp      open        discard                 
13/tcp     open        daytime                 
17/tcp     open        qotd                    
19/tcp     open        chargen                 
21/tcp     open        ftp                     
22/tcp     open        ssh                     
23/tcp     open        telnet                  
42/tcp     open        nameserver              
53/tcp     open        domain                  
70/tcp     open        gopher                  
80/tcp     open        http                    
119/tcp    open        nntp                    
135/tcp    open        loc-srv                 
139/tcp    open        netbios-ssn             
1031/tcp   open        iad2                    
1080/tcp   open        socks                   
2600/tcp   open        zebrasrv                
3128/tcp   open        squid-http              
5000/tcp   open        fics                    
6666/tcp   open        irc-serv                
6667/tcp   open        irc                     
6668/tcp   open        irc                     
7000/tcp   open        afs3-fileserver         

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=6/2%Time=3B18DF1E%O=7%C=1)
TSeq(Class=TD%gcd=1%SI=1%IPID=RPI%TS=U)
TSeq(Class=TD%gcd=1%SI=6%IPID=RPI%TS=U)
TSeq(Class=TD%gcd=1%SI=4%IPID=RPI%TS=U)
T1(Resp=Y%DF=Y%W=2017%ACK=S++%Flags=AS%Ops=M)
T2(Resp=Y%DF=N%W=0%ACK=S%Flags=AR%Ops=)
T3(Resp=Y%DF=Y%W=2017%ACK=S++%Flags=AS%Ops=M)
T4(Resp=Y%DF=N%W=0%ACK=O%Flags=R%Ops=)
T5(Resp=Y%DF=N%W=0%ACK=S++%Flags=AR%Ops=)
T6(Resp=Y%DF=N%W=0%ACK=O%Flags=R%Ops=)
T7(Resp=Y%DF=N%W=0%ACK=S++%Flags=AR%Ops=)
PU(Resp=N)




# Nmap run completed at Sat Jun  2 08:42:06 2001 -- 1 IP address (1 host up) scanned in 34 seconds