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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IP Abuse Reports for 2600:3c04::2000:11ff:fe43:da0b
This IP address has been reported a total of
7
times from
7 distinct
sources.
2600:3c04::2000:11ff:fe43:da0b was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 2
reports;
United States of America
with 2
reports;
Canada
with 1
report.
The most common categories in these recent reports were:
Port Scan
6
times;
Spoofing
1
time;
Brute-Force
1
time;
SSH
1
time;
FTP Brute-Force
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.
2026-09-18T17:53:08.866118+02:00 sshd-session[366427]: Unable to negotiate with 2600:3c04::2000:11f ...
show more2026-09-18T17:53:08.866118+02:00 sshd-session[366427]: Unable to negotiate with 2600:3c04::2000:11ff:fe43:da0b port 35426: no matching host key type found. Their offer: ssh-dss [preauth]
2026-09-18T17:53:10.288225+02:00 sshd-session[366418]: Unable to negotiate with 2600:3c04::2000:11ff:fe43:da0b port 35464: no matching host key type found. Their offer: [email protected] [preauth]
2026-09-18T17:53:10.408845+02:00 sshd-session[366420]: Unable to negotiate with 2600:3c04::2000:11ff:fe43:da0b port 35470: no matching host key type found. Their offer: [email protected] [preauth]
...
show less
Blocked by UFW [500/tcp]
Source port: 46394
TTL: null
Packet length: 64
TOS: null
This report was g ...
show moreBlocked by UFW [500/tcp]
Source port: 46394
TTL: null
Packet length: 64
TOS: null
This report was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
show less
Blocked by UFW [21/tcp]
Source port: 54819
TTL: null
Packet length: 64
TOS: null
This report was ge ...
show moreBlocked by UFW [21/tcp]
Source port: 54819
TTL: null
Packet length: 64
TOS: null
This report was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
show less
Port Scan
FTP Brute-Force
Showing 1 to
7
of 7 reports
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