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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