Accessible Telnet Report

LAST UPDATED: 2021-11-12

This report identifies hosts that have an Telnet instance running on port 23/TCP that are accessible on the Internet.

Telnet provides no encryption and may expose sensitive information or system credentials.

For more details behind the scan methodology and a daily update of global Telnet scan statistics please visit our dedicated Accessible Telnet scan page.

For more information on our scanning efforts, check out our Internet scanning summary page.

This report comes in 2 versions, IPv4 and IPv6.

Filenames: scan_telnet, scan6_telnet

Fields

timestamp

Time that the IP was probed in UTC+0
ip

The IP address of the device in question
protocol

Protocol that the response came on (always TCP)
port

Port that the response came from (23/TCP)
hostname

Reverse DNS name of the device in question
tag

Will always be telnet
asn

ASN of where the device in question resides
geo

Country where the device in question resides
region

State / Province / Administrative region where the device in question resides
city

City in which the device in question resides
naics

North American Industry Classification System Code
sic

Standard Industrial Classification System Code
banner

The login banner of the Telnet service

Sample

"timestamp","ip","protocol","port","hostname","tag","asn","geo","region","city","naics","sic","banner"
"2017-03-02 14:46:30","117.139.57.102","tcp",2323,,"telnet-alt",9808,"CN","SICHUAN","CHENGDU",0,0,"H3C login: "
"2017-03-02 14:46:30","115.165.233.145","tcp",2323,,"telnet-alt",24165,"TW","KAOHSIUNG CITY","KAOHSIUNG",0,0,"||(none) login: "
"2017-03-02 14:46:30","36.233.250.143","tcp",2323,"36-233-250-143.dynamic-ip.hinet.net","telnet-alt",3462,"TW","CHANGHUA COUNTY","CHANGHUA CITY",518210,737415,"||(none) login: "
"2017-03-02 14:46:30","114.35.253.95","tcp",2323,"114-35-253-95.hinet-ip.hinet.net","telnet-alt",3462,"TW","TAINAN CITY","TAINAN",518210,737415,"||(none) login: "
"2017-03-02 14:46:30","220.134.235.62","tcp",2323,"220-134-235-62.hinet-ip.hinet.net","telnet-alt",3462,"TW","PINGTUNG COUNTY","PINGTUNG CITY",518210,737415,"||(none) login: "
"2017-03-02 14:46:30","111.236.181.226","tcp",2323,"kd111236181226.au-net.ne.jp","telnet-alt",2516,"JP","FUKUSHIMA","AIZUWAKAMATSU",517110,481302,"|Login ID : "
"2017-03-02 14:46:30","188.204.141.153","tcp",2323,"static.kpn.net","telnet-alt",1136,"NL","UTRECHT","AMERSFOORT",518210,737415,"|Login: "
"2017-03-02 14:46:30","59.120.52.176","tcp",2323,"59-120-52-176.hinet-ip.hinet.net","telnet-alt",3462,"TW","HSINCHU CITY","HSINCHU",518210,737415,"||(none) login: "
"2017-03-02 14:46:30","109.164.75.139","tcp",2323,,"telnet-alt",51420,"CZ","ZLINSKY KRAJ","HULIN",0,0,"login: "
"2017-03-02 14:46:30","27.45.170.104","tcp",2323,,"telnet-alt",17816,"CN","GUANGDONG","FOSHAN",0,0,"||H3C login: "
"2017-03-02 14:46:30","119.104.212.178","tcp",2323,"kd119104212178.au-net.ne.jp","telnet-alt",2516,"JP","FUKUOKA","HAKATA",517110,481302,"|Login ID : "
"2017-03-02 14:46:30","5.220.253.92","tcp",2323,,"telnet-alt",51074,"IR","TEHRAN","TEHRAN",0,0,"|MikroTik v6.37.4 (bugfix)|"
"2017-03-02 14:46:30","222.223.100.10","tcp",2323,,"telnet-alt",4134,"CN","HEBEI","BAODING",0,0,"||H3C login: "

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