146.59.43.83

146.59.43.83:23

Connection Banner:

Server URLs

Telnet: 146.59.43.83:23
Website: http://146.59.43.83

Server Location: 🇵🇱 Poland (GeoIP)

BBS Software

Detected: Synchronet

Encoding

Effective encoding: utf-8
Override: utf-8 (from bbslist.txt)
Scanner detected: utf-8

Telnet Fingerprint

cdf52165b1ba8b95

This fingerprint is shared by 375 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": "ro\b\b ",
      "banner_before_return": "\r\nSynchronet BBS for Linux  Version 3.20\r\nTelnet connection from: 143.198.61.53\r\nResolving hostname...\r\n\r\n\u001b[s\u001b[0c\u001b[255B\u001b[255C\b_\u001b[6n\u001b[u\u001b[!_\r\ufeff\u001b[6n\u001b[0m_\u001b[2J\u001b[H\f\r\r      Synchronet BBS for Linux  Version 3.20  Copyright 2022 Rob Swindell\r\n\r\n  +-----+ +--+ -+  ---  +-----+ +----+ +-----+ +-   -+ +-----+ +-   -+ +-----+\r\n  ||   || || | ||  |||  ||----+ ||---+ ||   || || | || ||---|| ||   || |+--\r\n  +----++ +- +--+  ---  +-      +-  ++ +-----+ +-----+ +-   -+ +-----+ +-----+\r\n\r\nCLIENT CONN: Telnet\r\n       ADDR: modem.xyz [143.198.61.53]\r\n       TERM: 80x25 US-ASCII / DUMB\r\nSERVER NAME: DniproWave BBS\r\n       ADDR: bbs.net.ua\r\n       NODE: 3 (of 12) - Ubuntu 22.04.4 LTS x86_64\r\n       TIME: Tue Apr 07 2026 08:37:05 EEST\r\n       ADMN: Max\r\n\r\nIf you are a new user to the system, type \"New\" now.\r\nOtherwise, enter your user name or number now.\r\n\r\nNN: \rEnter User Name or 'New'\r\nLogin: ",
      "dsr_replies": 2,
      "dsr_requests": 2,
      "encoding": "utf-8",
      "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": 0.5054323673248291,
        "total": 15.977526426315308
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-03-07T04:09:30.622881+00:00",
      "host": "146.59.43.83",
      "ip": "146.59.43.83",
      "port": 23
    },
    {
      "connected": "2026-04-05T18:36:33.422540+00:00",
      "host": "146.59.43.83",
      "ip": "146.59.43.83",
      "port": 23
    },
    {
      "connected": "2026-04-07T05:37:16.235856+00:00",
      "host": "146.59.43.83",
      "ip": "146.59.43.83",
      "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 146.59.43.83 23

Show Logfile

DEBUG client.py:1200 Fingerprint client: host=146.59.43.83 port=23
INFO client_base.py:190 Connected to <Peer 146.59.43.83 23>
DEBUG stream_writer.py:3384 pending_option[WILL + ZMP] = True
DEBUG stream_writer.py:1024 send IAC WILL ZMP
DEBUG stream_writer.py:3384 pending_option[WILL + MSSP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSSP
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:3384 pending_option[WILL + GMCP] = True
DEBUG stream_writer.py:1024 send IAC WILL GMCP
DEBUG stream_writer.py:3384 pending_option[WILL + MSP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSP
DEBUG stream_writer.py:3384 pending_option[WILL + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC WILL AARDWOLF
DEBUG stream_writer.py:3384 pending_option[WILL + MXP] = True
DEBUG stream_writer.py:1024 send IAC WILL MXP
DEBUG stream_writer.py:3384 pending_option[WILL + ATCP] = True
DEBUG stream_writer.py:1024 send IAC WILL ATCP
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC WILL MCCP3_COMPRESS
DEBUG stream_writer.py:3384 pending_option[WILL + MSDP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSDP
DEBUG stream_writer.py:3384 pending_option[DO + ZMP] = True
DEBUG stream_writer.py:1024 send IAC DO ZMP
DEBUG stream_writer.py:3384 pending_option[DO + MSSP] = True
DEBUG stream_writer.py:1024 send IAC DO MSSP
DEBUG stream_writer.py:3384 pending_option[DO + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC DO MCCP2_COMPRESS
DEBUG stream_writer.py:3384 pending_option[DO + GMCP] = True
DEBUG stream_writer.py:1024 send IAC DO GMCP
DEBUG stream_writer.py:3384 pending_option[DO + MSP] = True
DEBUG stream_writer.py:1024 send IAC DO MSP
DEBUG stream_writer.py:3384 pending_option[DO + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC DO AARDWOLF
DEBUG stream_writer.py:3384 pending_option[DO + MXP] = True
DEBUG stream_writer.py:1024 send IAC DO MXP
DEBUG stream_writer.py:3384 pending_option[DO + ATCP] = True
DEBUG stream_writer.py:1024 send IAC DO ATCP
DEBUG stream_writer.py:3384 pending_option[DO + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC DO MCCP3_COMPRESS
DEBUG stream_writer.py:3384 pending_option[DO + MSDP] = True
DEBUG stream_writer.py:1024 send IAC DO MSDP
DEBUG stream_writer.py:773 recv IAC DONT ZMP
DEBUG stream_writer.py:2010 handle_dont(ZMP)
DEBUG stream_writer.py:3384 pending_option[WILL + ZMP] = False
DEBUG stream_writer.py:3384 local_option[ZMP] = False
DEBUG stream_writer.py:773 recv IAC DONT MSSP
DEBUG stream_writer.py:2010 handle_dont(MSSP)
DEBUG stream_writer.py:3384 pending_option[WILL + MSSP] = False
DEBUG stream_writer.py:3384 local_option[MSSP] = False
DEBUG stream_writer.py:773 recv IAC DONT MCCP2_COMPRESS
DEBUG stream_writer.py:2010 handle_dont(MCCP2_COMPRESS)
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP2_COMPRESS] = False
DEBUG stream_writer.py:3384 local_option[MCCP2_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC DONT GMCP
DEBUG stream_writer.py:2010 handle_dont(GMCP)
DEBUG stream_writer.py:3384 pending_option[WILL + GMCP] = False
DEBUG stream_writer.py:3384 local_option[GMCP] = False
DEBUG stream_writer.py:773 recv IAC DONT MSP
DEBUG stream_writer.py:2010 handle_dont(MSP)
DEBUG stream_writer.py:3384 pending_option[WILL + MSP] = False
DEBUG stream_writer.py:3384 local_option[MSP] = False
DEBUG stream_writer.py:773 recv IAC DONT AARDWOLF
DEBUG stream_writer.py:2010 handle_dont(AARDWOLF)
DEBUG stream_writer.py:3384 pending_option[WILL + AARDWOLF] = False
DEBUG stream_writer.py:3384 local_option[AARDWOLF] = False
DEBUG stream_writer.py:773 recv IAC DONT MXP
DEBUG stream_writer.py:2010 handle_dont(MXP)
DEBUG stream_writer.py:3384 pending_option[WILL + MXP] = False
DEBUG stream_writer.py:3384 local_option[MXP] = False
DEBUG stream_writer.py:773 recv IAC DONT ATCP
DEBUG stream_writer.py:2010 handle_dont(ATCP)
DEBUG stream_writer.py:3384 pending_option[WILL + ATCP] = False
DEBUG stream_writer.py:3384 local_option[ATCP] = False
DEBUG stream_writer.py:773 recv IAC DONT MCCP3_COMPRESS
DEBUG stream_writer.py:2010 handle_dont(MCCP3_COMPRESS)
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP3_COMPRESS] = False
DEBUG stream_writer.py:3384 local_option[MCCP3_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC DONT MSDP
DEBUG stream_writer.py:2010 handle_dont(MSDP)
DEBUG stream_writer.py:3384 pending_option[WILL + MSDP] = False
DEBUG stream_writer.py:3384 local_option[MSDP] = False
DEBUG stream_writer.py:773 recv IAC WILL ECHO
DEBUG stream_writer.py:789 WILL ECHO unsolicited
DEBUG stream_writer.py:2045 handle_will(ECHO)
DEBUG stream_writer.py:3384 pending_option[DO + ECHO] = True
DEBUG stream_writer.py:1024 send IAC DO ECHO
DEBUG stream_writer.py:3384 remote_option[ECHO] = True
DEBUG stream_writer.py:3384 pending_option[DO + ECHO] = False
DEBUG stream_writer.py:773 recv IAC WILL SGA
DEBUG stream_writer.py:789 WILL SGA unsolicited
DEBUG stream_writer.py:2045 handle_will(SGA)
DEBUG stream_writer.py:3384 pending_option[DO + SGA] = True
DEBUG stream_writer.py:1024 send IAC DO SGA
DEBUG stream_writer.py:3384 remote_option[SGA] = True
DEBUG stream_writer.py:3384 pending_option[DO + SGA] = False
DEBUG stream_writer.py:773 recv IAC DO TTYPE
DEBUG stream_writer.py:1887 handle_do(TTYPE)
DEBUG stream_writer.py:3384 pending_option[WILL + TTYPE] = True
DEBUG stream_writer.py:1024 send IAC WILL TTYPE
DEBUG stream_writer.py:3384 pending_option[SB + TTYPE] = True
DEBUG stream_writer.py:3384 local_option[TTYPE] = True
DEBUG stream_writer.py:3384 pending_option[WILL + TTYPE] = False
DEBUG stream_writer.py:773 recv IAC DO TSPEED
DEBUG stream_writer.py:1887 handle_do(TSPEED)
DEBUG stream_writer.py:3384 pending_option[WILL + TSPEED] = True
DEBUG stream_writer.py:1024 send IAC WILL TSPEED
DEBUG stream_writer.py:3384 pending_option[SB + TSPEED] = True
DEBUG stream_writer.py:3384 local_option[TSPEED] = True
DEBUG stream_writer.py:3384 pending_option[WILL + TSPEED] = False
DEBUG stream_writer.py:773 recv IAC DO SNDLOC
DEBUG stream_writer.py:1887 handle_do(SNDLOC)
DEBUG stream_writer.py:1995 DO SNDLOC not supported.
DEBUG stream_writer.py:3384 local_option[SNDLOC] = False
DEBUG stream_writer.py:1024 send IAC WONT SNDLOC
DEBUG stream_writer.py:773 recv IAC DO NAWS
DEBUG stream_writer.py:1887 handle_do(NAWS)
DEBUG stream_writer.py:3384 pending_option[WILL + NAWS] = True
DEBUG stream_writer.py:1024 send IAC WILL NAWS
DEBUG stream_writer.py:2507 send IAC SB NAWS (rows=25, cols=80) IAC SE
DEBUG stream_writer.py:3384 local_option[NAWS] = True
DEBUG stream_writer.py:3384 pending_option[WILL + NAWS] = False
DEBUG stream_writer.py:773 recv IAC DO NEW_ENVIRON
DEBUG stream_writer.py:1887 handle_do(NEW_ENVIRON)
DEBUG stream_writer.py:3384 pending_option[WILL + NEW_ENVIRON] = True
DEBUG stream_writer.py:1024 send IAC WILL NEW_ENVIRON
DEBUG stream_writer.py:3384 pending_option[SB + NEW_ENVIRON] = True
DEBUG stream_writer.py:3384 local_option[NEW_ENVIRON] = True
DEBUG stream_writer.py:3384 pending_option[WILL + NEW_ENVIRON] = False
DEBUG stream_writer.py:773 recv IAC WILL ZMP
DEBUG stream_writer.py:2045 handle_will(ZMP)
DEBUG stream_writer.py:998 skip DO ZMP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[ZMP] = True
DEBUG stream_writer.py:3384 pending_option[DO + ZMP] = False
DEBUG stream_writer.py:773 recv IAC WILL MSSP
DEBUG stream_writer.py:2045 handle_will(MSSP)
DEBUG stream_writer.py:998 skip DO MSSP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MSSP] = True
DEBUG stream_writer.py:3384 pending_option[DO + MSSP] = False
DEBUG stream_writer.py:773 recv IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:2045 handle_will(MCCP2_COMPRESS)
DEBUG stream_writer.py:998 skip DO MCCP2_COMPRESS; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MCCP2_COMPRESS] = True
DEBUG stream_writer.py:3384 pending_option[DO + MCCP2_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC WILL GMCP
DEBUG stream_writer.py:2045 handle_will(GMCP)
DEBUG stream_writer.py:998 skip DO GMCP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[GMCP] = True
DEBUG stream_writer.py:1072 send IAC SB GMCP Core.Hello IAC SE
DEBUG stream_writer.py:1072 send IAC SB GMCP Core.Supports.Set IAC SE
INFO client.py:201 GMCP handshake: Core.Hello + Core.Supports.Set ['Char 1', 'Char.Vitals 1', 'Char.Items 1', 'Room 1', 'Room.Info
    1', 'Comm 1', 'Comm.Channel 1', 'Group 1']
DEBUG stream_writer.py:3384 pending_option[DO + GMCP] = False
DEBUG stream_writer.py:773 recv IAC WILL MSP
DEBUG stream_writer.py:2045 handle_will(MSP)
DEBUG stream_writer.py:998 skip DO MSP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MSP] = True
DEBUG stream_writer.py:3384 pending_option[DO + MSP] = False
DEBUG stream_writer.py:773 recv IAC WILL AARDWOLF
DEBUG stream_writer.py:2045 handle_will(AARDWOLF)
DEBUG stream_writer.py:998 skip DO AARDWOLF; pending_option = True
DEBUG stream_writer.py:3384 remote_option[AARDWOLF] = True
DEBUG stream_writer.py:3384 pending_option[DO + AARDWOLF] = False
DEBUG stream_writer.py:773 recv IAC WILL MXP
DEBUG stream_writer.py:2045 handle_will(MXP)
DEBUG stream_writer.py:998 skip DO MXP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MXP] = True
DEBUG stream_writer.py:3384 pending_option[DO + MXP] = False
DEBUG stream_writer.py:773 recv IAC WILL ATCP
DEBUG stream_writer.py:2045 handle_will(ATCP)
DEBUG stream_writer.py:998 skip DO ATCP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[ATCP] = True
DEBUG stream_writer.py:3384 pending_option[DO + ATCP] = False
DEBUG stream_writer.py:773 recv IAC WILL MCCP3_COMPRESS
DEBUG stream_writer.py:2045 handle_will(MCCP3_COMPRESS)
DEBUG stream_writer.py:998 skip DO MCCP3_COMPRESS; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MCCP3_COMPRESS] = True
DEBUG stream_writer.py:2110 MCCP3: client compression activated
DEBUG stream_writer.py:3384 pending_option[DO + MCCP3_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC WILL MSDP
DEBUG stream_writer.py:2045 handle_will(MSDP)
DEBUG stream_writer.py:998 skip DO MSDP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MSDP] = True
DEBUG stream_writer.py:3384 pending_option[DO + MSDP] = False
DEBUG client_base.py:510 MCCP3 compression started (client→server)
DEBUG stream_writer.py:773 recv IAC DONT SNDLOC
DEBUG stream_writer.py:2010 handle_dont(SNDLOC)
DEBUG stream_writer.py:3384 pending_option[WILL + SNDLOC] = False
DEBUG stream_writer.py:767 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:754 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:3384 pending_option[SB + TTYPE] = False
DEBUG stream_writer.py:2404 recv TTYPE SEND: b''
DEBUG stream_writer.py:2416 send IAC SB TTYPE IS b'xterm-256color' IAC SE
DEBUG stream_writer.py:767 begin sub-negotiation SB TSPEED
DEBUG stream_writer.py:754 sub-negotiation cmd TSPEED SE completion byte
DEBUG stream_writer.py:3384 pending_option[SB + TSPEED] = False
DEBUG stream_writer.py:2345 recv TSPEED SEND: b''
DEBUG stream_writer.py:2373 send: IAC SB TSPEED IS b'38400',b'38400' IAC SE
DEBUG client_base.py:307 DSR detected early in data_received, sending CPR
DEBUG client_base.py:307 DSR detected early in data_received, sending CPR
DEBUG client_base.py:534 negotiation failed after 4.00s.
DEBUG client_base.py:540 failed-reply: 'SB NEW_ENVIRON'
DEBUG stream_writer.py:3384 pending_option[DO + BINARY] = True
DEBUG stream_writer.py:1024 send IAC DO BINARY
DEBUG stream_writer.py:3384 pending_option[DO + STATUS] = True
DEBUG stream_writer.py:1024 send IAC DO STATUS
DEBUG stream_writer.py:3384 pending_option[DO + CHARSET] = True
DEBUG stream_writer.py:1024 send IAC DO CHARSET
DEBUG stream_writer.py:3384 pending_option[DO + EOR] = True
DEBUG stream_writer.py:1024 send IAC DO EOR
DEBUG stream_writer.py:3384 pending_option[DO + COM_PORT_OPTION] = True
DEBUG stream_writer.py:1024 send IAC DO COM_PORT_OPTION
DEBUG fingerprinting.py:849 connection for server fingerprint cdf52165b1ba8b95
INFO client_base.py:122 Connection closed to <Peer 146.59.43.83 23>

ip83.ip-146-59-43.eu:513