This IP address has been reported a total of
17
times from
13 distinct
sources.
154.194.54.21 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 6
reports;
Czechia
with 3
reports;
Germany
with 2
reports.
The most common categories in these recent reports were:
Bad Web Bot
7
times;
Web App Attack
5
times;
DDoS Attack
5
times;
Brute-Force
5
times;
Exploited Host
3
times;
Other
3
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.
Looking for CMS/PHP/SQL vulnerablilities/excessive crawling - 257
Exploited Host
Web App Attack
Anonymous
Search protection: facets on category: 6 values in one group (limit 5) / reCAPTCHA challenge timed o ...
show moreSearch protection: facets on category: 6 values in one group (limit 5) / reCAPTCHA challenge timed out
show less
Bad Web Bot
Anonymous
"Security violation, excess traffic against library/education infrastructure"
Unauthorized VPN login attempts: 1 attempts were recorded from 154.194.54.21
2026-09-30T23:56:06+02: ...
show moreUnauthorized VPN login attempts: 1 attempts were recorded from 154.194.54.21
2026-09-30T23:56:06+02:00 vpn Access-Reject 'xbysl00' station: 154.194.54.21 auth-type: - realm: vse.cz nas: <redacted> called: <redacted> => address-pool: - msg: '<redacted>'
show less
Unauthorized VPN login attempts: 1 attempts were recorded from 154.194.54.21
2026-09-30T01:49:17+02: ...
show moreUnauthorized VPN login attempts: 1 attempts were recorded from 154.194.54.21
2026-09-30T01:49:17+02:00 vpn Access-Reject 'xkusj09' station: 154.194.54.21 auth-type: - realm: vse.cz nas: <redacted> called: <redacted> => address-pool: - msg: '<redacted>'
show less
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Sa ...
show moreMozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
show less
[Askari] | country=VE | Behavior: Outdated browser, Concurrent page load during attack, HTTP/1.1 ove ...
show more[Askari] | country=VE | Behavior: Outdated browser, Concurrent page load during attack, HTTP/1.1 over TLS, Targeting specific pages
show less