39.81.81.16
Recent Activity
This IP has received recent abuse reports, which causes the score to increase.
- ISP
- China Unicom Shandong province network
- Usage Type
- Fixed Line ISP
- ASN
- AS4837
- Domain Name
- chinaunicom.cn
- Country
- 🇨🇳 China
- City
- Jinan, Shandong
Abuse Reports
Total reports
33 from
21 distinct
reporters
First reported
Most recent report
Recent reports
We have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| 🇫🇷 uthul |
T-Pot honeypot: 3 hits on ports [23] (automated)
|
Port Scan Brute-Force SSH | |
| 🇦🇷 Bruno |
Port Scanner: 39.81.81.16
|
Port Scan | |
| 🇺🇸 RAP |
2026-11-06 10:40:31 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇫🇷 security.rdmc.fr |
Activity from blacklisted IP
|
Hacking | |
| 🇺🇸 MPL |
tcp/23
|
Port Scan | |
| 🇨🇿 Countryman |
repeated unauthorized connection attempts, host sweep, port 23
|
Hacking Brute-Force | |
| 🇩🇪 RazorLabs.dev |
Automated report from fail2ban: unsolicited TCP connection attempt to port 23/2323 (telnet) on a host running no telnet service, dropped by host firewall.
|
Port Scan Brute-Force IoT Targeted | |
| 🇺🇸 RAP |
2026-11-05 22:51:09 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇭🇰 PingMeMaybe |
Blocked by UFW on hk [23/tcp]
Source port: 48800
TTL: 50
Packet length: 60
TOS: 0x00
This report was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
|
Port Scan IoT Targeted | |
| 🇧🇷 chronos |
Telnet: Connection attempt to the unencrypted remote login service, commonly probed by IoT botnets. | Port: 23 | Proto: TCP | AS: AS4837 CHINA UNICOM China169 Backbone | Location: China
|
IoT Targeted Port Scan | |
| 🇺🇸 RAP |
2026-11-05 16:05:42 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇺🇸 RAP |
2026-11-05 07:22:05 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇪🇸 jiossal |
IP_Trapped_MikroTik_Firewall_HoneyPot
|
Brute-Force | |
| 🇺🇸 MPL |
tcp/23
|
Port Scan | |
| 🇺🇸 NetVexor |
Attack source identified and submitted via NetVexor BGP Blackhole Network
|
Port Scan Hacking Brute-Force |
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