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2001:41d0:303:3d99::1
Recent Activity
This IP has received recent abuse reports, which causes the score to increase.
IPv6 SLAAC Note
Public IPv6 addresses may implement the SLAAC
privacy extension. With SLAAC, the interface identifier is randomly generated. SLAAC also implements a
configurable time out, so that the original IPv6 interface addresses will be discarded in favor of a new
interface identifier.
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Top Reporter Countries (Last 60 Days)
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Reports Activity
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IP Abuse Reports for 2001:41d0:303:3d99::1:
This IP address has been reported a total of
168
times from
43 distinct
sources.
2001:41d0:303:3d99::1 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Netherlands
with 9
reports;
Germany
with 3
reports;
United Kingdom of Great Britain and Northern Ireland
with 3
reports.
The most common categories in these recent reports were:
Bad Web Bot
20
times;
Web App Attack
15
times;
Brute-Force
4
times;
Hacking
2
times;
DDoS Attack
1
time;
Other
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.
CrowdSec: Ip 2001:41d0:303:3d99::1 performed 'crowdsecurity/http-bad-user-agent' (2 events over 2.11 ...
show moreCrowdSec: Ip 2001:41d0:303:3d99::1 performed 'crowdsecurity/http-bad-user-agent' (2 events over 2.11441429s) at 2026-09-08 22:56:07.531104443 +0000 UTC (scenario: crowdsecurity/http-bad-user-agent)
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2026-09-06 21:25:11 AH10411: Rewritten query string contains control characters or spaces && 2026-09 ...
show more2026-09-06 21:25:11 AH10411: Rewritten query string contains control characters or spaces && 2026-09-06 21:25:16 AH10411: Rewritten query string contains control characters or spaces && 2026-09-06 21:25:18 AH10411: Rewritten query string contains control characters or spaces && 140 more within 20 minutes
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Abusive crawler: User-Agent on the known-bad list or claiming a placeholder identity | ua: Mozilla/5 ...
show moreAbusive crawler: User-Agent on the known-bad list or claiming a placeholder identity | ua: Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/) | path: /robots.txt (+1 more) | 2026-09-05 03:29 UTC
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Abusive crawler: User-Agent on the known-bad list or claiming a placeholder identity | ua: Mozilla/5 ...
show moreAbusive crawler: User-Agent on the known-bad list or claiming a placeholder identity | ua: Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/) | path: /robots.txt (+1 more) | 2026-08-31 17:37 UTC
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This IP was detected by CrowdSec triggering crowdsecurity/http-bad-user-agent
Web App Attack
Bad Web Bot
Anonymous
Automated web probe/scanner blocked at the edge (WorldTree fleet). Signature: scanner_ua. Example re ...
show moreAutomated web probe/scanner blocked at the edge (WorldTree fleet). Signature: scanner_ua. Example request: /robots.txt on retro-recipe.com
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[SatAug2206:05:29.6127852026][security2:error][pid1970857:tid1970946][client2001:41d0:303:3d99::1:0] ...
show more[SatAug2206:05:29.6127852026][security2:error][pid1970857:tid1970946][client2001:41d0:303:3d99::1:0]ModSecurity:Accessdeniedwithcode403\(phase2\).Patternmatch\"MJ12bot\"atREQUEST_HEADERS:User-Agent.[file\"/etc/apache2/conf.d/modsec_rules/20_asl_useragents.conf\"][line\"324\"][id\"333515\"][rev\"4\"][msg\"Atomicorp.comWAFRules:MJ12Distributedbotdetected\(Disablethisruleifyouwanttoallowthisbot\)\"][severity\"WARNING\"][tag\"no_ar\"][hostname\"morgenstern-swiss.ch\"][uri\"/robots.txt\"][unique_id\"aokgCT-TVul88WokVykbSAAAAMM\"]
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BAD BOT, BAD BOT, WHAT YA GONNA DO - Detected and Blocked. Matched phrase "MJ12bot" at REQUEST_HEADE ...
show moreBAD BOT, BAD BOT, WHAT YA GONNA DO - Detected and Blocked. Matched phrase "MJ12bot" at REQUEST_HEADERS:User-Agent. (1100000-stl2-14)
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