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IP Abuse Reports for 121.52.154.75
This IP address has been reported a total of
33
times from
20 distinct
sources.
121.52.154.75 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;
Canada
with 4
reports;
Netherlands
with 3
reports.
The most common categories in these recent reports were:
Port Scan
10
times;
Bad Web Bot
8
times;
Brute-Force
2
times;
DDoS Attack
2
times;
Web App Attack
2
times;
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.
Network port/address scan: probed 1 distinct port(s) across 20 host(s); 100% of connections received ...
show moreNetwork port/address scan: probed 1 distinct port(s) across 20 host(s); 100% of connections received no service (SYN, no reply) -- passive network sensor.
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Network port/address scan: probed 1 distinct port(s) across 24 host(s); 100% of connections received ...
show moreNetwork port/address scan: probed 1 distinct port(s) across 24 host(s); 100% of connections received no service (SYN, no reply) -- passive network sensor.
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byebyte.space auth: TCP packet to port 1433 (MSSQL) at 2026-09-12T15:03:55Z. Source port 19584. TCP ...
show morebyebyte.space auth: TCP packet to port 1433 (MSSQL) at 2026-09-12T15:03:55Z. Source port 19584. TCP flags: SYN. Packet: 44B, TTL 44, window 64240, IP id 57392. Single packet, dropped at firewall. p0f: OS Linux 2.2.x-3.x (barebone) (generic match), 20 hops, link Ethernet or modem.
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Port scan from this IP. Firewall dropped every packet. Targeted TCP ports: 1433. Single burst at 202 ...
show morePort scan from this IP. Firewall dropped every packet. Targeted TCP ports: 1433. Single burst at 2026-09-12 15:03 UTC.
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Network port/address scan: probed 1 distinct port(s) across 24 host(s); 100% of connections received ...
show moreNetwork port/address scan: probed 1 distinct port(s) across 24 host(s); 100% of connections received no service (SYN, no reply) -- passive network sensor.
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Client failed challenge verification, marked as suspicious. HTTP request received over TCP on applic ...
show moreClient failed challenge verification, marked as suspicious. HTTP request received over TCP on application ports 80/443. Observed 2026-09-09T15:24:53Z.
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Network port/address scan: probed 1 distinct port(s) across 64 host(s); 100% of connections received ...
show moreNetwork port/address scan: probed 1 distinct port(s) across 64 host(s); 100% of connections received no service (SYN, no reply) -- passive network sensor.
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Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Sa ...
show moreMozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 Edg/144.0.0.0
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