Overview of services running on Port 1688 TCP.
~8 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	Info	OS	Devicetype	Count	Percent
irc	Dancer ircd					3366	37.584
chat	AIM or ICQ server					1363	15.219
no match						1056	11.791
http						601	6.711
http	lighttpd	1.4.29				417	4.656
http	lighttpd	1.4.19				361	4.031
http	Microsoft IIS httpd					270	3.015
http	WangWnagSimpleServer	1.0				173	1.932
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		92	1.027
ssh	OpenSSH	4.3	protocol 2.0			84	0.938
ssh			protocol 1.5			81	0.904
http	thttpd	2.24				66	0.737
http	lighttpd					61	0.681
telnet						49	0.547
http	MiniServ	0.01	Webmin httpd			49	0.547
arcserve	ARCserve Discovery					35	0.391
vnc	VNC		protocol 3.8			34	0.38
http	Boa HTTPd	0.94.14rc21				33	0.368
ftp	Microsoft ftpd			Windows		28	0.313
http	thttpd	2.25b				27	0.301
http	thttpd					23	0.257
ssl	TLS	1.0				21	0.234
nntp	INN nntpd		posting ok			20	0.223