172.111.168.176

172.111.168.176:23

Connection Banner:

Server URLs

172.111.168.176:23

Server Location: 🇭🇰 Hong Kong (GeoIP)

BBS Software

Detected: Synchronet

Encoding

Effective encoding: cp437
Scanner detected: cp437

Telnet Fingerprint

cdf52165b1ba8b95

This fingerprint is shared by 256 other servers.

Options offered by server: AARDWOLF, ATCP, ECHO, GMCP, MCCP2, MCCP3, MSDP, MSP, MSSP, MXP, SGA, ZMP

Options requested from client: NAWS, NEW_ENVIRON, TSPEED, TTYPE

The complete JSON record collected during the scan, including Telnet negotiation results and banner data.

Show JSON

{
  "server-probe": {
    "fingerprint": "cdf52165b1ba8b95",
    "fingerprint-data": {
      "offered-options": [
        "AARDWOLF",
        "ATCP",
        "ECHO",
        "GMCP",
        "MCCP2",
        "MCCP3",
        "MSDP",
        "MSP",
        "MSSP",
        "MXP",
        "SGA",
        "ZMP"
      ],
      "probed-protocol": "server",
      "refused-options": [
        "BINARY",
        "CHARSET",
        "COM_PORT",
        "EOR",
        "STATUS"
      ],
      "requested-options": [
        "NAWS",
        "NEW_ENVIRON",
        "TSPEED",
        "TTYPE"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "",
      "banner_before_return": "\r\nSynchronet BBS for Win32  Version 3.20\r\nTelnet connection from: 135.129.91.121\r\nResolving hostname...\r\n\r\n\u001b[s\u001b[0c\u001b[255B\u001b[255C\b_\u001b[6n\u001b[u\u001b[!_\r\u2229\u2557\u2510\u001b[6n\u001b[0m_\u001b[2J\u001b[H\f\r\r      Synchronet BBS for Win32  Version 3.20  Copyright 2025 Rob Swindell\r\n",
      "dsr_replies": 2,
      "dsr_requests": 2,
      "encoding": "cp437",
      "option_states": {
        "server_offered": {
          "AARDWOLF": true,
          "ATCP": true,
          "ECHO": true,
          "GMCP": true,
          "MCCP2": true,
          "MCCP3": true,
          "MSDP": true,
          "MSP": true,
          "MSSP": true,
          "MXP": true,
          "SGA": true,
          "ZMP": true
        },
        "server_requested": {
          "AARDWOLF": false,
          "ATCP": false,
          "GMCP": false,
          "MCCP2": false,
          "MCCP3": false,
          "MSDP": false,
          "MSP": false,
          "MSSP": false,
          "MXP": false,
          "NAWS": true,
          "NEW_ENVIRON": true,
          "SNDLOC": false,
          "TSPEED": true,
          "TTYPE": true,
          "ZMP": false
        }
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.5030925273895264,
        "total": 11.908899545669556
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-03-02T20:57:04.929860+00:00",
      "host": "172.111.168.176",
      "ip": "172.111.168.176",
      "port": 23
    },
    {
      "connected": "2026-03-02T22:54:59.224303+00:00",
      "host": "172.111.168.176",
      "ip": "172.111.168.176",
      "port": 23
    }
  ]
}

Connection Log

Debug-level log of the Telnet negotiation session, showing each IAC (Interpret As Command) exchange between client and server.

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug 172.111.168.176 23

Show Logfile

DEBUG client.py:1193 Fingerprint client: host=172.111.168.176 port=23
ERROR client.py:1296 172.111.168.176:23: TCP connection to 172.111.168.176:23 timed out after 30.0s

bbs.jacobcat.app:513