Overview of services running on Port 50019 TCP.
~5 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
chat	AIM or ICQ server	1859	34.8
no match	-/-	1613	30.195
http	lighttpd	390	7.301
http		341	6.383
http	Microsoft IIS httpd	146	2.733
http	Microsoft HTTPAPI httpd	113	2.115
ssh		86	1.61
ssh	OpenSSH	72	1.348
http	thttpd	72	1.348
telnet		51	0.955
ftp	ProFTPD	50	0.936
ftp		39	0.73
vnc	VNC	37	0.693
ssl	TLS	35	0.655
http	Boa HTTPd	32	0.599
mysql	MySQL	22	0.412
http	Cisco IOS http config	21	0.393
http	nginx	18	0.337
ftp	FileZilla ftpd	17	0.318
smtp	Microsoft ESMTP	16	0.3
http	Virata-EmWeb	15	0.281
ftp	Microsoft ftpd	15	0.281
http	WangWnagSimpleServer	14	0.262
telnet	Linux telnetd	13	0.243
http	Jetty	13	0.243
psql	Pervasive.SQL Server - Relational Engine	11	0.206