This IP address has been reported a total of
48
times from
22 distinct
sources.
104.28.252.31 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Czechia
with 3
reports;
Italy
with 3
reports;
Germany
with 2
reports.
The most common categories in these recent reports were:
Brute-Force
12
times;
Email Spam
3
times;
Spoofing
1
time.
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.
Email account brute force: 1 attempts were recorded from 104.28.252.31
2026-10-24T16:56:11+0200 warn ...
show moreEmail account brute force: 1 attempts were recorded from 104.28.252.31
2026-10-24T16:56:11+0200 warning: unknown[104.28.252.31]: SASL authentication failed
show less
"SMTP Login failed": count(IP)=10.0is-674f2577 14:42:45.913 [196.176.48.127] SMTP Login failed: User ...
show more"SMTP Login failed": count(IP)=10.0is-674f2577 14:42:45.913 [196.176.48.127] SMTP Login failed: Username or password is incorrect.is-674f2577 14:42:45.913 [196.176.48.127] SMTP Login failed: Incorrect password for user [[email protected]]MAIL4-new 14:43:00.571 [102.101.175.155] SMTP Login failed: Username or password is incorrect.MAIL4-new 14:43:00.571 [102.101.175.155] SMTP Login failed: Incorrect password for user [[email protected]]Smartermail 14:43:07.787 [94.158.58.80] SMTP Login failed: Domain [davidegreco.it] not foundSmartermail 14:43:07.788 [94.158.58.80] SMTP Login failed: Username or password is incorrect.Smartermail 14:43:31.680 [104.28.252.31] SMTP Login failed: Incorrect password for user [[email protected]]Smartermail 14:43:31.680 [104.28.252.31] SMTP Login failed: Username or password is incorrect.Smartermail 14:46:34.563 [98.97.151.49] SMTP Login failed: User [delbianco.g] not found
show less
Email account brute force: 1 attempts were recorded from 104.28.252.31
2026-10-05T06:22:33+02:00 war ...
show moreEmail account brute force: 1 attempts were recorded from 104.28.252.31
2026-10-05T06:22:33+02:00 warning: unknown[104.28.252.31]: SASL PLAIN authentication failed: authentication failure, [email protected]show less
Email account brute force: 1 attempts were recorded from 104.28.252.31
2026-09-24T16:32:13+02:00 war ...
show moreEmail account brute force: 1 attempts were recorded from 104.28.252.31
2026-09-24T16:32:13+02:00 warning: unknown[104.28.252.31]: SASL PLAIN authentication failed: authentication failure, [email protected]show less
