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IP Abuse Reports for 77.91.71.55
This IP address has been reported a total of
569
times from
171 distinct
sources.
77.91.71.55 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 157
reports;
United States of America
with 106
reports;
France
with 63
reports.
The most common categories in these recent reports were:
Port Scan
481
times;
Brute-Force
144
times;
Hacking
134
times;
Web App Attack
31
times;
Bad Web Bot
14
times;
Other
33
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.
Cloudmax IPS Block - Suspicious activity. Possible port scanning, service reconnaissance, or vulnera ...
show moreCloudmax IPS Block - Suspicious activity. Possible port scanning, service reconnaissance, or vulnerability probing
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UFW blocked a suspicious connection attempt to a closed or denied port. This activity is commonly as ...
show moreUFW blocked a suspicious connection attempt to a closed or denied port. This activity is commonly associated with port scanning, service discovery, or automated internet probing. Technical: source_ip=77.91.71.55; proto=TCP; source_port=53248; target_port=8000
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2026-09-21T03:35:48.387112+00:00 ip-172-31-5-127 sshd[2928872]: banner exchange: Connection from 77. ...
show more2026-09-21T03:35:48.387112+00:00 ip-172-31-5-127 sshd[2928872]: banner exchange: Connection from 77.91.71.55 port 39754: invalid format
2026-09-21T03:35:49.574162+00:00 ip-172-31-5-127 sshd[2928940]: banner exchange: Connection from 77.91.71.55 port 43528: invalid format
2026-09-21T03:35:52.373981+00:00 ip-172-31-5-127 sshd[2928941]: banner exchange: Connection from 77.91.71.55 port 53494: invalid format
...
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