Overview of services running on Port 515 TCP.
~547 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
printer31997858.397
printerPanasonic mfpscdl.exe service8225215.011
no match349056.37
printerMicrosoft lpd328185.989
printerlpderror: Illegal service request157602.876
printerlpderror: invalid printer116502.126
http114102.082
printerLexmark lpd serviceprinter89521.634
printerLPRngNot authorized42660.779
httpSonicWALLfirewall40330.736
chatAIM or ICQ server26340.481
printerSolaris lpdSolaris19200.35
ippCUPS12970.237
printerSun Solaris lpd9460.173
httpAIM1.07140.13
sslSSLv37100.13
printerprint serverprint server6260.114
printerlpderror: : Malformed from address6010.11
httpApache2.2.8PHP/5.2.4-2ubuntu5.19 with Suhosin-Patch5530.101
printerlpderror: lp4: Illegal service request5140.094
printerLinux lpdclient IP must resolveLinux4520.082
httplighttpd1.4.194330.079
httplighttpd1.4.294320.079
sshSCS sshd3.0.1protocol 2.04190.076
printerBSD lpdUnauthorized host4060.074
printerlpdpath: /usr/sbin/lpd; error: lp: Malformed from address3500.064
httpmini_httpd1.19 19dec20032950.054
printerlpd2940.054
printerlpderror: Malformed from address2910.053
sshOpenSSH5.8p2_hpn13v11FreeBSD 20110503; protocol 2.0FreeBSD2570.047
httpMicrosoft IIS httpd2390.044
printerlpdpath: /usr/sbin/lpd; error: printers : Malformed from address2250.041
hp-radiaHP Radia configuration server1960.036
printerlpderror: lp: Malformed from address1770.032
httpthttpd2.241770.032
httpMicrosoft HTTPAPI httpd2.0SSDP/UPnPWindows1750.032
httpApache2.2.8(Ubuntu) PHP/5.2.4-2ubuntu5.19 with Suhosin-Patch1650.03
printerlpschedUnauthorized1550.028
httpGoAhead-Webs httpd1540.028
httpApache1.3.61490.027
napsterWinMX or Lopster Napster P2P client1450.026
httpa_631400.026
printerWyse Winterm 1200 LE terminal lpdterminal1380.025
sshDropbear sshd0.48protocol 2.0Linux1300.024
printerBSD/Linux lpdhostname denied1220.022
httpDrcomServer1.01210.022
httpApache Tomcat/Coyote JSP engine1.11200.022
httpNetwave IP camera http configwebcam1120.02
httpAvtech AVN801 network camera1.0UPnP 1.0webcam1080.02
arcserveARCserve Discovery1060.019
sshprotocol 1.51040.019
printerRPM Print Manager lpdWindows1010.018
printerAIX lpdUnauthorizedAIX1000.018
printerlpderror: master : Malformed from address950.017
printerlpdpath: /usr/sbin/lpd; error: : Malformed from address940.017
vncVNCprotocol 3.8830.015
httpHikvision-Webs810.015
httpBoa HTTPd0.94.14rc21760.014
printerlpderror: : Malformed from address740.014
printerlpdpath: /usr/sbin/lpd; error: lp_internal: Malformed from address720.013
http-proxySquid http proxy2.6.STABLE12710.013
printerlpderror: usblp0: Malformed from address650.012
httpPDR-M8001.0630.011
printerlpderror: ELP : Illegal service request620.011
telnet610.011
httpApacheSSL-only mode570.01
httpApache570.01
httpMicrosoft IIS httpd6.0Windows480.009
audioworksAudioWorks sound serverIRIX470.009
httpthttpd2.25b430.008
sshOpenSSH4.3protocol 2.0420.008
printerlpderror: tta_printer: Malformed from address410.007
niprintNetwork Instruments NIPrint network analyzer400.007
printerlpdpath: /usr/bin/lpd; error: é3°: Malformed from address370.007
printerlpdpath: /usr/etc/lpd; error: : Malformed from address360.007
directconnectDirect Connect P2PWindows350.006
httpthttpd2.24 26oct2003340.006
zabbixZabbix Monitoring System330.006
ftpMicrosoft ftpdWindows310.006
printerlpderror: ET / HTTP/1.0 : Illegal service request290.005
httpGadspot/Avtech AV787 webcam http configwebcam290.005
ftp290.005
httpuc-httpd1.0.0270.005
httpMbedthis-Appweb2.0.4270.005
http-proxySquid http proxy2.7.STABLE9260.005
printerAIX lpdAIX240.004
httpuTorrent WebUIWindows240.004
vncRealVNC Enterpriseprotocol 4.1230.004
smtp230.004
psqlPervasive.SQL Server - Relational Engine230.004
httpGeoVision GeoHttpServer for webcamswebcam230.004
vncRealVNC Personalprotocol 4.0210.004
httpthttpd210.004
ftpvsftpd2.0.8 or later210.004
vncVNCprotocol 3.6200.004
httplighttpd1.4.20200.004
httpDVR Systems webcam http interfacewebcam200.004
httpBoa HTTPd0.94.13200.004