49.75.209.80
Neutral Activity
There is no recent abuse activity, or the IP address is whitelisted.
- ISP
- CHINANET jiangsu province network
- Usage Type
- Fixed Line ISP
- ASN
- AS4134
- Domain Name
- chinatelecom.cn
- Country
- 🇨🇳 China
- City
- Nanjing, Jiangsu
No reports in the last 60 days
49.75.209.80 has been reported 22 times. The most recent report is from .
The full history is preserved below and remains searchable. A 0% score reflects the absence of recent activity, but this is not a guarantee that earlier reports were invalid. Abuse confidence score decays, naturally, over time, when the abusive activity stops.
Abuse Reports
Total reports
22 from
20 distinct
reporters
First reported
Most recent report
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| Anonymous |
SMTP brute force - auth failed
|
Brute-Force Exploited Host | |
| 🇮🇳 evicky2002 |
Confirmed malicious by STILWaters CTI platform (score=85, sources=1)
|
Hacking Brute-Force SSH | |
| 🇺🇸 chrisj |
|
Brute-Force | |
| 🇦🇹 AustrianSimon |
18 Apr 2026 17:53:11UTC:Distributed Brute Force Password Attack (smtp, ftp, imap, pop, ssh) including ip address 49.75.209.80
|
Brute-Force | |
| 🇺🇸 jfz-abuse |
fail2ban: postfix-sasl
...
|
Brute-Force | |
| 🇩🇪 Paul Smith |
Email Auth Brute force attack 1/1 in last day
|
Brute-Force | |
| 🇩🇪 DocNetzwerk |
(smtpauth) Failed SMTP AUTH login from 49.75.209.80 (CN/China/-)
|
Brute-Force | |
| Anonymous |
6x Postfix SASL LOGIN authentication failed
|
Brute-Force | |
| 🇩🇪 SCHAPPY |
SMTP SASL authentication failed, recognized attack by infected ISP client network. unknown[49.75.209.80]: SASL LOGIN authentication failed: authentication failure
|
Email Spam | |
| 🇳🇱 maxxsense |
(postfix-unknown) Failed postfix unknown login with username [redacted] from 49.75.209.80 (CN/China/-)
|
Hacking | |
| Anonymous |
2026-04-15 05:25:16.351 [2866327] no host name found for IP address 49.75.209.80
2026-04-15 05:25:17.111 [2866327] no host name found for IP address 49.75.209.80
2026-04-15 05:25:20.315 [2866327] no host name found for IP address 49.75.209.80
...
|
Email Spam | |
| 🇩🇪 FeG Deutschland |
Mail: - login with unknown user - bruteforce
|
Brute-Force | |
| 🇳🇱 big-cloud.nl |
Unauthorized SMTP connection attempt
|
Brute-Force | |
| 🇸🇮 basing |
2026-04-15 01:54:33 z4 SASL PLAIN auth failed: rhost=49.75.209.80...
|
Brute-Force | |
| 🇭🇺 Lacika555 |
RdpGuard detected brute-force attempt on SMTP
|
Brute-Force |
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