121.46.248.74
Neutral Activity
There is no recent abuse activity, or the IP address is whitelisted.
- ISP
- shanghai wexchange network technology Co. Ltd.
- Usage Type
- Fixed Line ISP
- ASN
- AS4811
- Domain Name
- wexchange.com.cn
- Country
- 🇨🇳 China
- City
- Shanghai, Shanghai
No reports in the last 60 days
121.46.248.74 has been reported 27 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
27 from
20 distinct
reporters
First reported
Most recent report
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| 🇳🇱 Slartibartfast |
SMTP Brute Force
|
Brute-Force | |
| 🇫🇷 UM3 |
Exim Auth Failed
|
Brute-Force | |
| 🇸🇪 triplecode |
Reported from hMailServer
|
Email Spam | |
| 🇩🇪 www.fransveldman.world |
Jul 16 00:07:31 mail postfix/submission/smtpd[1458412]: warning: unknown[121.46.248.74]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 16 00:07:31 mail postfix/submission/smtpd[1458412]: lost connection after AUTH from unknown[121.46.248.74]
...
|
Brute-Force Email Spam | |
| 🇳🇱 maxxsense |
(postfix-unknown) Failed postfix unknown login with username [redacted] from 121.46.248.74 (CN/China/-)
|
Hacking | |
| 🇸🇮 basing |
2026-07-15 11:34:21 z4 SASL PLAIN auth failed: rhost=121.46.248.74...
|
Brute-Force | |
| 🇩🇪 FeG Deutschland |
Mail: - login with unknown user - bruteforce
|
Brute-Force | |
| 🇩🇪 Paul Smith |
Email Auth Brute force attack 1/1 in last day
|
Brute-Force | |
| 🇭🇺 Lacika555 |
RdpGuard detected brute-force attempt on SMTP
|
Brute-Force | |
| 🇩🇪 ghostwarriors |
Attempts against SMTP/SSMTP
|
Brute-Force Web App Attack | |
| Anonymous |
bruteforce
|
Brute-Force | |
| 🇷🇺 6o6ep |
GeoIP rejected
|
Email Spam Port Scan | |
| Anonymous |
Authentication failure
|
Brute-Force | |
| 🇮🇹 CoreTech srl |
|
Brute-Force Open Proxy | |
| Anonymous |
6x Postfix SASL LOGIN authentication failed
|
Brute-Force |
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