139.196.13.131 (bbs.nykz.net)

bbs.nykz.net:23

Connection Banner:

Server URLs

RLogin: bbs.nykz.net:23
Website: nykz.net

Server Location: 🇨🇳 China (GeoIP)

Listing

BBS Name: Nanyang Inn (from listing)
Listed Location: Shanghai, , China

BBS Software

Reported: Firebird

Encoding

Effective encoding: gbk (with ambiguous width as wide)
Override: gbk (from bbslist.txt)
Scanner detected: gbk

Telnet Fingerprint

c2dd7d4e76383b41

This fingerprint is shared by 42 other servers.

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

Show JSON

{
  "server-probe": {
    "fingerprint": "c2dd7d4e76383b41",
    "fingerprint-data": {
      "offered-options": [],
      "probed-protocol": "server",
      "refused-options": [],
      "requested-options": [],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "",
      "banner_before_return": "\r\n\u6b22\u8fce\u5149\u4e34\u001b[1;33m\u5357\u6d0b\u5ba2\u6808BBS\u001b[m[ \u001b[1;32mnykz.net\u001b[m] \u001b[1;33m\u3014FB2000 v1219\u3015\u001b[m [bbsd ready]\r\n",
      "dsr_replies": 0,
      "dsr_requests": 0,
      "encoding": "gbk",
      "option_states": {
        "server_offered": {
          "ECHO": true,
          "SGA": true
        },
        "server_requested": {}
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.0,
        "total": 0.00531005859375
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-03-07T04:22:03.249660+00:00",
      "host": "bbs.nykz.net",
      "ip": "139.196.13.131",
      "port": 23
    },
    {
      "connected": "2026-04-05T18:42:36.646363+00:00",
      "host": "bbs.nykz.net",
      "ip": "139.196.13.131",
      "port": 23
    },
    {
      "connected": "2026-04-07T06:26:04.795597+00:00",
      "host": "bbs.nykz.net",
      "ip": "139.196.13.131",
      "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 bbs.nykz.net 23

Show Logfile

DEBUG client.py:1200 Fingerprint client: host=bbs.nykz.net port=23
INFO client_base.py:190 Connected to <Peer 139.196.13.131 23>
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 + ATCP] = True
DEBUG stream_writer.py:1024 send IAC WILL ATCP
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 + MXP] = True
DEBUG stream_writer.py:1024 send IAC WILL MXP
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[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 + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC WILL AARDWOLF
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 + MSP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSP
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 + ATCP] = True
DEBUG stream_writer.py:1024 send IAC DO ATCP
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 + MXP] = True
DEBUG stream_writer.py:1024 send IAC DO MXP
DEBUG stream_writer.py:3384 pending_option[DO + MSDP] = True
DEBUG stream_writer.py:1024 send IAC DO MSDP
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 + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC DO AARDWOLF
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 + MSP] = True
DEBUG stream_writer.py:1024 send IAC DO MSP
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 client_base.py:93 EOF from server, closing.
INFO client_base.py:122 Connection closed to <Peer 139.196.13.131 23>
DEBUG fingerprinting.py:849 connection for server fingerprint c2dd7d4e76383b41

bbs.nykz.net:2323