Overview of services running on Port 9101 TCP.
~41 Thousand IP addresses observed from May to December 2012
To get raw lists of the data go to Download. For an explanation of what this data is and how it was obtained, see Paper.

Servicename Product Version InfoOSDevicetypeCount Percent
no match1875545.339
ircDancer ircd35568.596
telnetCisco router telnetdIOSrouter30317.327
chatAIM or ICQ server13973.377
telnetCisco IOS telnetdIOSswitch8532.062
http7301.765
telnet6281.518
giopCORBA naming service5821.407
irc-proxyShroudBNC irc-proxy1.1 revision 3714711.139
telnetCisco 1721 router telnetdIOSrouter3850.931
xml3740.904
httplighttpd1.4.193540.856
httpMicrosoft IIS httpd2010.486
hp-pjlFS-1370DNprinter1840.445
hp-pjlFS-3900DNprinter1690.409
hp-pjlFS-3920DNprinter1670.404
hp-pjlFS-1128MFPprinter1540.372
httpMicrosoft HTTPAPI httpd2.0SSDP/UPnPWindows1530.37
hp-pjlTASKalfa 250ciprinter1480.358
httpHP HTTP Server1410.341
httpGoAhead-Webs httpd1380.334
hp-pjlFS-4020DNprinter1240.3
hp-pjl?printer1160.28
hp-pjlFS-C5100DNprinter1070.259
hp-pjlFS-2020Dprinter1030.249
hp-pjlCanonprinter1030.249
hp-pjlFS-C5300DNprinter970.234
hp-pjlFS-C5250DNprinter920.222
hp-pjlKM-5050printer800.193
hp-pjlKM-2050printer790.191
hp-pjlFS-2000Dprinter780.189
hp-pjlFS-4000DNprinter770.186
sshprotocol 1.5760.184
vncVNCprotocol 3.8750.181
hp-pjlHP LaserJet P2055 Seriesprinter750.181
hp-pjlFS-C5350DNprinter740.179
hp-pjlTASKalfa 300iprinter730.176
hp-pjlprinter690.167
hp-pjlFS-1350DNprinter690.167
hp-pjlHP LaserJet P3005printer680.164
hp-pjlhp LaserJet 1320 seriesprinter670.162
hp-pjlTASKalfa 420iprinter640.155
hp-pjlTASKalfa 520iprinter630.152
hp-pjlKM-3050printer630.152
hp-pjlFS-1028MFPprinter610.147
hp-pjlFS-1118MFPprinter580.14
hp-pjlFS-C5200DNprinter560.135
hp-pjlTASKalfa 300ciprinter540.131
hp-pjlFS-1300Dprinter540.131
hp-pjlHP LaserJet Professional P1102wprinter520.126
httpBoa HTTPd0.94.14rc21510.123
hp-pjlFS-C5150DNprinter500.121
hp-pjlHP LaserJet P2015 Seriesprinter490.118
hp-pjlFS-1135MFPprinter490.118
hp-pjlFS-9530DNprinter480.116
hp-pjlKM-1650printer470.114
hp-pjlFS-C2126MFPprinter460.111
shoutcast-publishingSHOUTcast publishing port450.109
hp-pjlKM-4050printer440.106
hp-pjlFS-3830Nprinter440.106
hp-pjlKM-1820printer430.104
sshOpenSSH5.3protocol 2.0420.102
hp-pjlLASERJET 4000printer410.099
hp-pjlKM-2550printer410.099
hp-pjlKM-2560printer400.097
hp-pjlDC250printer400.097
httpJetty6.1.25370.089
hp-pjlKM-2810printer360.087
hp-pjlHP LaserJet 1200printer360.087
hp-pjlhp LaserJet 1012printer360.087
hp-pjlFS-2025Dprinter360.087
hp-pjlTASKalfa 3500iprinter350.085
hp-pjlHP LaserJet Professional P1606dnprinter350.085
hp-pjlHP Color LaserJet CP2025dnprinter350.085
hp-pjlFS-C5400DNprinter350.085
hp-pjlFS-3140MFPprinter350.085
httpnginx1.2.1340.082
hp-pjlFS-3820Nprinter340.082
hp-pjlFS-C2126MFP+printer330.08
hp-pjlFS-1030Dprinter330.08
hp-pjlHP LaserJet CP1525nwprinter320.077
hp-pjlhp LaserJet 4250printer320.077
hp-pjlHP LaserJet P2035nprinter310.075
httpHikvision-Webs300.073
hp-pjlSamsung CLX-3180 Seriesprinter300.073
hp-pjlHP LaserJet P1006printer300.073
httpBoa HTTPd0.93.15290.07
hp-pjlTASKalfa 400ciprinter290.07
hp-pjlKM-2820printer290.07
hp-pjlHP LaserJet Professional M1212nf MFPprinter290.07
hp-pjlXC560printer280.068
hp-pjlKM-3060printer280.068
httpJetty6.1.14270.065
hp-pjlKM-6030printer270.065
hp-pjlhp LaserJet 4200printer270.065
hp-pjlCLCDprinter270.065
hp-pjlBrother HL-2270DW series:84UC07:Ver1.12printer270.065
hp-pjlKM-C2525Eprinter260.063
hp-pjlHP Color LaserJet CP1518niprinter260.063
hp-pjlHP Color LaserJet 2600nprinter260.063
hp-pjlFS-C5015Nprinter260.063
ftpMicrosoft ftpdWindows260.063
httpJetty6.1.26250.06
hp-pjlSamsung CLP-320 Seriesprinter250.06
hp-pjlKM-C4035Eprinter250.06
hp-pjlHP LaserJet 1022printer250.06
hp-pjlFS-1120Dprinter250.06
hp-pjlBrother HL-2270DW series:84UC07:Ver1.02printer250.06
hp-pjlTASKalfa 221printer240.058
hp-pjlHP Color LaserJet CM2320nf MFPprinter240.058
hp-pjlFS-C5030Nprinter230.056
hp-pjlFS-C5025Nprinter230.056
hp-pjlFS-C5020Nprinter230.056
hp-pjlE10-50_45C-KMprinter220.053
http-proxySquid http proxy2.7.STABLE9210.051
hp-pjlLASERJET 4050printer210.051
hp-pjlHP LaserJet P3010 Seriesprinter210.051
hp-pjlDell MFP Laser 3115cnprinter210.051
socks5200.048
hp-pjlTASKalfa 500ciprinter200.048
hp-pjlTASKalfa 4550ciprinter200.048
hp-pjlHP LaserJet P1505nprinter200.048
hp-pjlHP LaserJet 3055printer200.048
hp-pjlBrother HL-5350DN series:84UB03:Ver1.18printer200.048
hp-pjlBrother HL-5250DN series:84UZ92:Ver1.19printer200.048
hp-pjl3640A3printer200.048