This IP address has been reported a total of
114
times from
25 distinct
sources.
172.104.208.137 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
United States of America
with 36
reports;
Germany
with 12
reports;
Netherlands
with 6
reports.
The most common categories in these recent reports were:
Port Scan
40
times;
Brute-Force
24
times;
Hacking
15
times;
Email Spam
4
times;
Fraud VoIP
3
times;
Other
4
times.
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.
(postfix_lost) lost connection after AUTH from 172.104.208.137 (US/United States/-): 1 in the last 3 ...
show more(postfix_lost) lost connection after AUTH from 172.104.208.137 (US/United States/-): 1 in the last 3600 secs; IP: 172.104.208.137; Ports: *; Direction: inout; Trigger: other; Logs: 2026-10-19T01:00:10.831489+02:00 vps1 postfix/smtpd[2657011]: NOQUEUE: lost connection after STARTTLS from unknown[172.104.208.137]
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Blocked by UFW on vps4 [994/tcp]
Source port: 61000
TTL: 243
Packet length: 40
TOS: 0x00
This repor ...
show moreBlocked by UFW on vps4 [994/tcp]
Source port: 61000
TTL: 243
Packet length: 40
TOS: 0x00
This report was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
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firewall port scanning detected. 2 or more observation(s) from 2026-10-15T06:51:34.000Z through 2026 ...
show morefirewall port scanning detected. 2 or more observation(s) from 2026-10-15T06:51:34.000Z through 2026-10-15T06:51:34.000Z.
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firewall port scanning detected. 2 or more observation(s) from 2026-10-10T12:10:17.000Z through 2026 ...
show morefirewall port scanning detected. 2 or more observation(s) from 2026-10-10T12:10:17.000Z through 2026-10-10T12:10:17.000Z.
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