This IP address has been reported a total of
5
times from
5 distinct
sources.
187.91.53.66 was first reported on
October 7th 2026 , and the most recent report was
2 days ago United Kingdom of Great Britain and Northern Ireland
with 1
report;
Italy
with 1
report;
Netherlands
with 1
report.
The most common categories in these recent reports were:
Web App Attack
5
times;
Brute-Force
3
times;
Bad Web Bot
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.
Reporter
IoA Timestamp (UTC)
Comment
Categories
🇺🇸
IndigoRidge
2026-10-10 15:42:51
(2 days ago)
187.91.53.66 - - [10/Oct/2026:11:36:55 -0400] "POST /xmlrpc.php HTTP/1.1" 200 5137 "-" "Mozilla/5.0 ...
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187.91.53.66 - - [10/Oct/2026:11:36:55 -0400] "POST /xmlrpc.php HTTP/1.1" 200 5137 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.0.0 Safari/537.36"
187.91.53.66 - - [10/Oct/2026:11:41:32 -0400] "GET /wp-json/wp/v2/users HTTP/1.1" 403 5520 "-" "Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)"
187.91.53.66 - - [10/Oct/2026:11:42:00 -0400] "POST /xmlrpc.php HTTP/1.1" 200 5137 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; arm64) AppleWebKit/537.36 (KHTML, like Gecko) Firefox/80.0.0.0 Safari/537.36"
187.91.53.66 - - [10/Oct/2026:11:42:26 -0400] "POST /xmlrpc.php HTTP/1.1" 200 5137 "-" "Mozilla/5.0 (Windows NT 6.3; arm64) AppleWebKit/537.36 (KHTML, like Gecko) Edge/91.0.0.0 Safari/537.36"
187.91.53.66 - - [10/Oct/2026:11:42:49 -0400] "POST /xmlrpc.php HTTP/1.1" 200 5137 "-" "Mozilla/5.0 (Windows NT 6.2; arm64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.0.0 Safari/537.36"
...
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Web App Attack
🇳🇱
Alt255
2026-10-10 14:41:38
(2 days ago)
[ti-12al] WordPress login brute-force: 4 suspicious requests detected by fail2ban jail <name>. Examp ...
show more
[ti-12al] WordPress login brute-force: 4 suspicious requests detected by fail2ban jail <name>. Example: 187.91.53.66 - - \[10/Oct/2026:16:37:38 +0200\] "POST /xmlrpc.php HTTP/1.1" 301 6002 "-" "Mozilla/5.0 \(Macintosh\; Intel Mac OS X 10_15_7\; x86\) AppleWebKit/537.36 \(KHTML, like Gecko\) Safari/13.0.0.0 Safari/537.36"
187.91.53.66 - - \[10/Oct/2026:16:39:03 +0200\] "POST /xmlrpc.php HTTP/1.1" 301 5962 "-" "Mozilla/5.0 \(Windows NT 10.0\; arm64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Firefox/91.0.0.0 Safari/537.36"
187.91.53.66 - - \[10/Oct/2026:16:40:57 +0200\] "POST /xmlrpc.php HTTP/1.1" 301 5997 "-" "Mozilla/5.0 \(Windows NT 6.2\; arm64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Safari/15.0.0.0 Safari/537.36"
187.91.53.66 - - \[10/Oct/2026:16:41:24 +0200\] "POST /xmlrpc.php HTTP/1.1" 301
...
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Brute-Force
Bad Web Bot
Web App Attack
🇮🇹
VHosting
2026-10-07 20:45:04
(5 days ago)
Detected WordPress attack from different servers
Brute-Force
Web App Attack
🇳🇿
Tripwire
2026-10-07 11:55:31
(5 days ago)
Probing for Wordpress - /xmlrpc.php
Brute-Force
Web App Attack
🇬🇧
consul.to
2026-10-07 01:39:57
(5 days ago)
Web attack/malicious scanning detected
Web App Attack
Showing 1 to
5
of 5 reports
