Overview of services running on Port 177 UDP.
~60 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 match2613843.505
httplighttpd1.4.19852314.186
xdmcpXDMCPwilling; status: 0 user, load: 0.0, 0.0, 0.0Unix29854.968
xdmcpXDMCPunwilling; status: Display not authorized to connectUnix21143.519
xdmcpXDMCPwilling; status: 1 user, load: 0.0, 0.0, 0.0Unix12202.031
xdmcpXDMCPwilling; status: 0 user, load: 0.1, 0.1, 0.1Unix8521.418
xdmcpXDMCPwilling; status: Willing to manageUnix5900.982
xdmcpXDMCPwilling; status: 0 users load: 0.0, 0.0, 0.0Unix5430.904
xdmcpXDMCPwilling; status: 0 user, load: 0.00, 0.00, 0.00Unix5350.89
xdmcpXDMCPwilling; status: Linux 2.6.18-164.el5Unix5000.832
xdmcpXDMCPwilling; status: 1 user, load: 0.1, 0.1, 0.1Unix3560.593
xdmcpXDMCPwilling; status: 0 user, load: 0.2, 0.2, 0.2Unix2810.468
xdmcpXDMCPwilling; status: 2 users load: 0.0, 0.0, 0.0Unix2700.449
xdmcpXDMCPwilling; status: 1 user, load: 0.00, 0.00, 0.00Unix2240.373
xdmcpXDMCPwilling; status: Linux 2.6.32.12-0.7-defaultUnix2160.36
xdmcpXDMCPwilling; status: Linux 2.6.18-194.el5Unix1710.285
xdmcpXDMCPwilling; status: 0 user, load: 0.3, 0.3, 0.3Unix1560.26
xdmcpXDMCPwilling; status: Linux 2.6.24-19-genericUnix1510.251
xdmcpXDMCPwilling; status: Linux 2.6.18-164.el5PAEUnix1510.251
xdmcpXDMCPwilling; status: 1 user, load: 0.2, 0.2, 0.2Unix1450.241
xdmcpXDMCPwilling; status: 0 user, load: 0.4, 0.4, 0.4Unix1370.228
xdmcpXDMCPwilling; status: Linux 2.6.26-2-686Unix1160.193
xdmcpXDMCPwilling; status: 0 user, load: 0.0, 0.1, 0.1Unix1160.193
netbios-ssn1050.175
xdmcpXDMCPwilling; status: Linux 2.6.18-128.el5Unix1030.171
xdmcpXDMCPwilling; status: 3 users load: 0.0, 0.0, 0.0Unix990.165
xdmcpXDMCPwilling; status: 0 users, load: 0.00, 0.00, 0.00Unix970.161
xdmcpXDMCPwilling; status: 0 user, load: 0,0, 0,0, 0,0Unix930.155
xdmcpXDMCPwilling; status: 0 user, load: 0.0, 0.0, 0.1Unix920.153
xdmcpXDMCPwilling; status: Linux 2.6.9-42.ELsmpUnix910.151
xdmcpXDMCPwilling; status: 2 users load: 0.1, 0.1, 0.1Unix910.151
xdmcpXDMCPwilling; status: 0 user, load: 0.5, 0.5, 0.5Unix830.138
socks5800.133
xdmcpXDMCPwilling; status: 1 user, load: 0.00, 0.01, 0.05Unix770.128
xdmcpXDMCPwilling; status: 0 user, load: 0.2, 0.1, 0.1Unix750.125
xdmcpXDMCPwilling; status: Linux 2.6.18-308.11.1.el5Unix700.117
xdmcpXDMCPwilling; status: 0 user, load: 0.1, 0.0, 0.0Unix690.115
xdmcpXDMCPwilling; status: Linux 2.6.32-5-amd64Unix680.113
xdmcpXDMCPwilling; status: Linux 2.6.27.19-5-defaultUnix680.113
xdmcpXDMCPwilling; status: SunOS 5.10Unix640.107
xdmcpXDMCPwilling; status: 0 user, load: 1.0, 1.0, 1.0Unix640.107
xdmcpXDMCPwilling; status: 0 user, load: 0.00, 0.01, 0.05Unix640.107
xdmcpXDMCPwilling; status: Linux 2.6.18-238.el5Unix620.103
xdmcpXDMCPwilling; status: 0 user, load: 0.1, 0.2, 0.2Unix590.098
xdmcpXDMCPwilling; status: Linux 2.6.27.19-78.2.30.fc9.i686Unix570.095
xdmcpXDMCPwilling; status: Linux 2.6.18-92.el5Unix560.093
xdmcpXDMCPwilling; status: 1 user, load: 0.3, 0.3, 0.3Unix530.088
xdmcpXDMCPwilling; status: Linux 2.6.9-78.ELsmpUnix520.087
xdmcpXDMCPwilling; status: Linux 2.6.9-55.ELsmpUnix520.087
xdmcpXDMCPwilling; status: Linux 2.6.9-89.ELsmpUnix510.085
xdmcpXDMCPwilling; status: Linux 2.6.32-41-genericUnix510.085
xdmcpXDMCPwilling; status: Linux 2.6.18-128.el5PAEUnix510.085
xdmcpXDMCPwilling; status: 1 user, load: 0.4, 0.4, 0.4Unix510.085
xdmcpXDMCPwilling; status: 0 user, load: 0.1, 0.1, 0.0Unix510.085
xdmcpXDMCPwilling; status: Linux 2.6.28-11-genericUnix500.083
xdmcpXDMCPwilling; status: Linux 2.6.32-5-686Unix490.082
xdmcpXDMCPwilling; status: 4 users load: 0.0, 0.0, 0.0Unix490.082
xdmcpXDMCPwilling; status: Willing to ManageUnix480.08
xdmcpXDMCPwilling; status: 1 user, load: 0.0, 0.1, 0.1Unix480.08
xdmcpXDMCPwilling; status: 1 user, load: 1.0, 1.0, 1.0Unix470.078
xdmcpXDMCPwilling; status: Linux 2.6.9-22.ELsmpUnix450.075
xdmcpXDMCPwilling; status: Linux 2.6.18-8.el5Unix450.075
xdmcpXDMCPwilling; status: Linux 2.6.18-194.el5xenUnix450.075
xdmcpXDMCPwilling; status: 1 user, load: 0.0, 0.0, 0.1Unix440.073
xdmcpXDMCPwilling; status: Linux 2.6.18-164.el5xenUnix430.072
xdmcpXDMCPwilling; status: 0 user, load: 1.1, 1.1, 1.1Unix430.072
xdmcpXDMCPwilling; status: Linux 2.6.9-5.ELsmpUnix420.07
xdmcpXDMCPwilling; status: Linux 2.6.9-67.ELsmpUnix410.068
xdmcpXDMCPwilling; status: Linux 2.6.18-53.el5Unix410.068
xdmcpXDMCPwilling; status: 1 user, load: 0.1, 0.0, 0.0Unix410.068
xdmcpXDMCPwilling; status: 0 user, load: 0.00, 0.01, 0.00Unix400.067
xdmcpXDMCPwilling; status: Linux 2.6.24-26-genericUnix380.063
xdmcpXDMCPwilling; status: 0 user, load: 0.3, 0.2, 0.2Unix380.063
xdmcpXDMCPwilling; status: Linux 2.6.9-34.ELsmpUnix360.06
xdmcpXDMCPwilling; status: 2 users load: 0.2, 0.2, 0.2Unix360.06
xdmcpXDMCPwilling; status: Linux 2.6.26-2-amd64Unix350.058
xdmcpXDMCPwilling; status: 0 user, load: 0.2, 0.3, 0.3Unix350.058
xdmcpXDMCPwilling; status: 0 user, load: 0.1, 0.1, 0.2Unix350.058
xdmcpXDMCPwilling; status: Linux 2.6.18-6-686Unix330.055
xdmcpXDMCPwilling; status: Linux 2.6.18-194.el5PAEUnix330.055
xdmcpXDMCPwilling; status: 0 user, load: 2.0, 2.0, 2.0Unix330.055
xdmcpXDMCPwilling; status: Linux 2.6.32.59-0.3-defaultUnix320.053
xdmcpXDMCPwilling; status: Linux 2.6.18-308.8.2.el5Unix320.053
xdmcpXDMCPwilling; status: 5 users load: 0.0, 0.0, 0.0Unix320.053
xdmcpXDMCPwilling; status: SunOS 5.11Unix310.052
xdmcpXDMCPwilling; status: Linux 2.6.32.46-0.3-defaultUnix310.052
xdmcpXDMCPwilling; status: Linux 2.6.18-274.7.1.el5Unix310.052
xdmcpXDMCPwilling; status: Linux 2.6.18-128.el5xenUnix310.052
xdmcpXDMCPwilling; status: 0 user, load: 0.6, 0.6, 0.6Unix310.052
xdmcpXDMCPwilling; status: Linux 2.6.26.8-57.fc8Unix300.05
xdmcpXDMCPwilling; status: Linux 2.6.22-1-686Unix300.05
xdmcpXDMCPwilling; status: Linux 2.6.18-274.el5Unix300.05
xdmcpXDMCPwilling; status: Linux 2.6.28-19-genericUnix290.048
xdmcpXDMCPwilling; status: Linux 2.6.18-53.1.4.el5xenUnix290.048
xdmcpXDMCPwilling; status: Linux 2.6.18-194.32.1.el5Unix290.048
xdmcpXDMCPwilling; status: 1 user, load: 0.2, 0.1, 0.1Unix290.048
xdmcpXDMCPwilling; status: 0 users load: 0.1, 0.0, 0.0Unix290.048
xdmcpXDMCPwilling; status: 0 user, load: 0.7, 0.7, 0.7Unix290.048
xdmcpXDMCPwilling; status: 2 users, load: 0.00, 0.00, 0.00Unix280.047
xdmcpXDMCPwilling; status: 0 user, load: 0.2, 0.2, 0.1Unix280.047
xdmcpXDMCPwilling; status: Linux 2.6.32-42-genericUnix260.043
xdmcpXDMCPwilling; status: Linux 2.6.27.19-5-paeUnix260.043
xdmcpXDMCPwilling; status: Linux 2.6.18-92.el5xenUnix260.043
xdmcpXDMCPwilling; status: 1 user, load: 0.00, 0.01, 0.00Unix260.043
xdmcpXDMCPwilling; status: 0 user, load: 0.3, 0.4, 0.4Unix260.043
xdmcpXDMCPwilling; status: 0 user, load: 0.00, 0.02, 0.00Unix260.043
xdmcpXDMCPwilling; status: Linux 2.6.9-89.ELlargesmpUnix250.042
xdmcpXDMCPwilling; status: Linux 2.6.32.36-0.5-xenUnix250.042
xdmcpXDMCPwilling; status: Linux 2.6.18-308.4.1.el5Unix250.042
xdmcpXDMCPwilling; status: 1 user, load: 0.3, 0.2, 0.2Unix250.042
xdmcpXDMCPwilling; status: 1 user, load: 0.1, 0.2, 0.2Unix250.042
xdmcpXDMCPwilling; status: 0 user, load: 1.2, 1.2, 1.2Unix250.042
xdmcpXDMCPwilling; status: 0 user, load: 0.8, 0.8, 0.8Unix250.042
xdmcpXDMCPwilling; status: Linux 3.0.13-0.27-defaultUnix240.04
xdmcpXDMCPwilling; status: Linux 2.6.18-308.1.1.el5Unix240.04
xdmcpXDMCPwilling; status: Linux 2.6.37.6-0.20-desktopUnix230.038
xdmcpXDMCPwilling; status: Linux 2.6.18-92.el5PAEUnix230.038
xdmcpXDMCPwilling; status: Linux 2.6.18-1.2798.fc6Unix230.038
xdmcpXDMCPwilling; status: 3 users load: 0.1, 0.1, 0.1Unix230.038
xdmcpXDMCPwilling; status: 1 user, load: 0.01, 0.02, 0.00Unix230.038
xdmcpXDMCPwilling; status: Linux 2.6.32-71.el6.x86_64Unix220.037
xdmcpXDMCPwilling; status: Linux 2.6.32-220.el6.x86_64Unix220.037
xdmcpXDMCPwilling; status: Linux 2.6.18-53.el5xenUnix220.037
xdmcpXDMCPwilling; status: Linux 2.6.18-238.9.1.el5Unix220.037
xdmcpXDMCPwilling; status: Linux 2.6.18-238.12.1.el5Unix220.037
xdmcpXDMCPwilling; status: 1 user, load: 0.6, 0.6, 0.6Unix220.037
xdmcpXDMCPwilling; status: 0 users load: 0.1, 0.1, 0.1Unix220.037
xdmcpXDMCPwilling; status: Linux 2.6.32.12-0.7-paeUnix210.035
xdmcpXDMCPwilling; status: Linux 2.6.18-194.26.1.el5Unix210.035
xdmcpXDMCPwilling; status: Linux 2.6.18-308.el5Unix200.033
xdmcpXDMCPwilling; status: 1 user, load: 1.1, 1.1, 1.1Unix200.033
xdmcpXDMCPwilling; status: 0 user, load: 0.2, 0.2, 0.3Unix200.033