Interesting ports on dsl027-189-050.sfo1.dsl.speakeasy.net (216.27.189.50):
(The 1522 ports scanned but not shown below are in state: closed)
Port       State       Service
25/tcp     open        smtp                    
27/tcp     open        nsw-fe                  
53/tcp     open        domain                  
80/tcp     open        http                    
110/tcp    open        pop-3                   
119/tcp    open        nntp                    
135/tcp    open        loc-srv                 
139/tcp    open        netbios-ssn             
143/tcp    open        imap2                   
389/tcp    open        ldap                    
443/tcp    open        https                   
563/tcp    open        snews                   
593/tcp    open        http-rpc-epmap          
636/tcp    open        ldapssl                 
993/tcp    open        imaps                   
995/tcp    open        pop3s                   
1031/tcp   open        iad2                    
1067/tcp   open        instl_boots             
1723/tcp   open        pptp                    
5631/tcp   open        pcanywheredata          

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=3B19ADE6%O=25%C=1)
TSeq(Class=TD%gcd=3%SI=2%IPID=RPI%TS=U)
TSeq(Class=TD%gcd=1%SI=4%IPID=RD%TS=U)
TSeq(Class=TD%gcd=1%SI=1%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 23:24:22 2001 -- 1 IP address (1 host up) scanned in 21 seconds