This IP address has been reported a total of
77
times from
49 distinct
sources.
212.97.4.83 was first reported on
, and the most recent report was
.
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.
2026-08-01T07:09:38.870892+02:00 mail postfix/smtpd[1551231]: NOQUEUE: reject: RCPT from unknown[212 ...
show more2026-08-01T07:09:38.870892+02:00 mail postfix/smtpd[1551231]: NOQUEUE: reject: RCPT from unknown[212.97.4.83]: 450 4.7.25 Client host rejected: cannot find your hostname, [212.97.4.83]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<[212.97.4.83]>
2026-08-01T07:09:38.952892+02:00 mail postfix/smtpd[1551231]: lost connection after RCPT from unknown[212.97.4.83]
2026-08-01T07:11:51.107252+02:00 mail postfix/smtpd[1551231]: NOQUEUE: reject: RCPT from unknown[212.97.4.83]: 450 4.7.25 Client host rejected: cannot find your hostname, [212.97.4.83]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<[212.97.4.83]>
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Fail2Ban (067c5ae9265b): 1 attempts from 212.97.4.83 triggered rspamd-authbl jail. Ban time: 2419200 ...
show moreFail2Ban (067c5ae9265b): 1 attempts from 212.97.4.83 triggered rspamd-authbl jail. Ban time: 2419200s. Attack patterns detected in mail server logs.
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Fail2Ban (ec0ba10fc207): 1 attempts from 212.97.4.83 triggered rspamd-authbl jail. Ban time: 2419200 ...
show moreFail2Ban (ec0ba10fc207): 1 attempts from 212.97.4.83 triggered rspamd-authbl jail. Ban time: 2419200s. Attack patterns detected in mail server logs.
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Fail2Ban (c9d17c276665): 1 attempts from 212.97.4.83 triggered rspamd-authbl jail. Ban time: 2419562 ...
show moreFail2Ban (c9d17c276665): 1 attempts from 212.97.4.83 triggered rspamd-authbl jail. Ban time: 2419562s. Attack patterns detected in mail server logs.
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Fail2Ban report from jail 'pregreet': 2026-07-30T12:15:21.796058+02:00 mail postfix/postscreen[29925 ...
show moreFail2Ban report from jail 'pregreet': 2026-07-30T12:15:21.796058+02:00 mail postfix/postscreen[2992561]: PREGREET 20 after 0.1 from [212.97.4.83]:16513: EHLO [212.97.4.83]\r\n
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2026-07-30T12:10:05.723557+02:00 mail postfix/smtpd[1228748]: NOQUEUE: reject: RCPT from unknown[212 ...
show more2026-07-30T12:10:05.723557+02:00 mail postfix/smtpd[1228748]: NOQUEUE: reject: RCPT from unknown[212.97.4.83]: 450 4.7.25 Client host rejected: cannot find your hostname, [212.97.4.83]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<[212.97.4.83]>
2026-07-30T12:10:05.805368+02:00 mail postfix/smtpd[1228748]: lost connection after RCPT from unknown[212.97.4.83]
2026-07-30T12:12:04.374979+02:00 mail postfix/smtpd[1228748]: NOQUEUE: reject: RCPT from unknown[212.97.4.83]: 450 4.7.25 Client host rejected: cannot find your hostname, [212.97.4.83]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<[212.97.4.83]>
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2026-07-30 12:11:16,235 fail2ban.filter [3798451]: INFO [mailcow-rbl-dnsblog] Found 212.9 ...
show more2026-07-30 12:11:16,235 fail2ban.filter [3798451]: INFO [mailcow-rbl-dnsblog] Found 212.97.4.83 - 2026-07-30 12:11:16
2026-07-30 12:11:16,262 fail2ban.filter [3798451]: INFO [mailcow-rbl-dnsblog] Found 212.97.4.83 - 2026-07-30 12:11:16
2026-07-30 12:11:16,262 fail2ban.filter [3798451]: INFO [mailcow-rbl-dnsblog] Found 212.97.4.83 - 2026-07-30 12:11:16
2026-07-30 12:11:16,263 fail2ban.filter [3798451]: INFO [mailcow-rbl-dnsblog] Found 212.97.4.83 - 2026-07-30 12:11:16
2026-07-30 12:11:16,302 fail2ban.filter [3798451]: INFO [mailcow-rbl-dnsblog] Found 212.97.4.83 - 2026-07-30 12:11:16
2026-07-30 12:11:16,323 fail2ban.filter [3798451]: INFO [mailcow-rbl-dnsblog] Found 212.97.4.83 - 2026-07-30 12:11:16
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Brute-Force
Showing 1 to
15
of 77 reports
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