Overview of services running on Port 50022 TCP.
~15 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	Count	Percent
ssh	Dropbear sshd	5070	31.707
ssh	OpenSSH	4494	28.105
chat	AIM or ICQ server	1821	11.388
no match	-/-	1544	9.656
ssh	MikroTik RouterOS sshd	432	2.702
http	lighttpd	381	2.383
http		351	2.195
irc-proxy	psyBNC	229	1.432
ssh	SCS sshd	173	1.082
ssh		148	0.926
ssh	DrayTek Vigor 2820n ADSL router sshd	143	0.894
http	Microsoft IIS httpd	136	0.851
http	Microsoft HTTPAPI httpd	96	0.6
http	thttpd	80	0.5
ssh	Linksys WRT45G modified dropbear sshd	66	0.413
ftp	ProFTPD	56	0.35
telnet		54	0.338
ssh	Bitvise WinSSHD	48	0.3
vnc	VNC	43	0.269
http	WangWnagSimpleServer	40	0.25
ssl	TLS	36	0.225
ftp		36	0.225
ftp	Microsoft ftpd	33	0.206
http	Boa HTTPd	30	0.188
ssh	WeOnlyDo sshd	26	0.163
http	nginx	24	0.15
mysql	MySQL	22	0.138
ssh	Cisco SSH	17	0.106
smtp	Microsoft ESMTP	17	0.106
ftp	FileZilla ftpd	17	0.106
telnet	Linux telnetd	14	0.088
ssh	ZyXEL ZyWALL sshd	14	0.088
ssh	SunSSH	14	0.088
http	Jetty	13	0.081
http	Cisco IOS http config	13	0.081
smtp		10	0.063
http	Ubicom	10	0.063