Overview of services running on Port 2601 TCP.
~596 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
zebra	Quagga routing software	350438	58.706
quagga	Quagga routing software	123479	20.685
telnet		36865	6.176
no match	-/-	30594	5.125
zebra	GNU Zebra routing software	18625	3.12
http		15216	2.549
ssl	SSLv3	4589	0.769
irc	Dancer ircd	4040	0.677
http	SonicWALL	3734	0.626
chat	AIM or ICQ server	2195	0.368
telnet	Cisco IOS telnetd	1550	0.26
http	lighttpd	848	0.142
http	AIM	593	0.099
telnet	Cisco 1721 router telnetd	486	0.081
http	Apache	446	0.075
http-proxy	EZproxy web proxy	334	0.056
http	Microsoft IIS httpd	235	0.039
http	Gateway-Webs	172	0.029
http	WangWnagSimpleServer	167	0.028
http	GoAhead-Webs httpd	152	0.025
http	DELPHI XMLRPC SERVER	146	0.024
http	thttpd	141	0.024
ssh	OpenSSH	108	0.018
ssh		98	0.016
http	Microsoft HTTPAPI httpd	95	0.016
http	Apache Tomcat/Coyote JSP engine	87	0.015
http	Netwave IP camera http config	74	0.012
http	Avtech AVN801 network camera	68	0.011
http	Boa HTTPd	63	0.011
http-proxy	Squid http proxy	54	0.009
http	PDR-M800	53	0.009
vnc	VNC	49	0.008
bittorrent	Bittorrent P2P client	43	0.007
http	mini_httpd	35	0.006
ftp	Microsoft ftpd	35	0.006
arcserve	ARCserve Discovery	30	0.005
nntp	INN nntpd	28	0.005
ssh	Dropbear sshd	25	0.004
mysql	MySQL	24	0.004
http	uTorrent WebUI	24	0.004
http	GoAhead-Webs embedded httpd	24	0.004
java-rmi	Java RMI	22	0.004
http	GoAhead-Webs	22	0.004
http	Mbedthis-Appweb	20	0.003
http	Hikvision-Webs	18	0.003
ftp	FileZilla ftpd	18	0.003
http	uc-httpd	17	0.003
http	GeoVision GeoHttpServer for webcams	15	0.003
http	nginx	14	0.002
smtp	Postfix smtpd	13	0.002
smtp		13	0.002
http-proxy	F5 BIG-IP load balancer http proxy	13	0.002
ftp	Pure-FTPd	13	0.002
ftp		13	0.002
upnp	Portable SDK for UPnP devices	12	0.002
shoutcast	SHOUTcast server	12	0.002
http	AIM HTTP	12	0.002
ftp	vsftpd	12	0.002
smtp	Microsoft ESMTP	11	0.002
ssl	TLS	10	0.002
ssl	Microsoft IIS SSL	10	0.002
http	Jetty	10	0.002
http	Gadspot/Avtech AV787 webcam http config	10	0.002
http	DVR Systems webcam http interface	10	0.002
http	Cross Web Server	10	0.002
ftp	ProFTPD	10	0.002