Overview of services running on Port 524 TCP.
~7 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
ncp	Novell NetWare NCP	4203	53.528
chat	AIM or ICQ server	1341	17.078
no match	-/-	669	8.52
http		377	4.801
http	lighttpd	339	4.317
ssh	OpenSSH	176	2.241
http	Microsoft IIS httpd	141	1.796
http	Microsoft HTTPAPI httpd	93	1.184
ssh		83	1.057
arcserve	ARCserve Discovery	43	0.548
telnet	Allied Telesis x900-series switch telnetd	37	0.471
vnc	VNC	32	0.408
http	Boa HTTPd	27	0.344
ftp		27	0.344
ftp	Microsoft ftpd	18	0.229
mysql	MySQL	17	0.217
http	nginx	17	0.217
telnet		12	0.153
ftp	ProFTPD	12	0.153
smtp		10	0.127