This IP address has been reported a total of
41
times from
34 distinct
sources.
45.115.26.51 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 13
reports;
United Kingdom of Great Britain and Northern Ireland
with 4
reports;
France
with 3
reports.
The most common categories in these recent reports were:
Email Spam
22
times;
Brute-Force
18
times;
Port Scan
6
times;
Hacking
5
times;
DDoS Attack
2
times;
Other
6
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.
2026-10-08T00:21:51.483522l03.customhost.org.uk postfix/smtpd[3667]: NOQUEUE: reject: RCPT from unkn ...
show more2026-10-08T00:21:51.483522l03.customhost.org.uk postfix/smtpd[3667]: NOQUEUE: reject: RCPT from unknown[45.115.26.51]: 554 5.7.1 Service unavailable; Client host [45.115.26.51] blocked using sbl.spamhaus.org; Listed by CSS, see https://check.spamhaus.org/query/ip/45.115.26.51; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<Hctbqrg>
2026-10-08T00:21:51.483556l03.customhost.org.uk postfix/smtpd[4782]: NOQUEUE: reject: RCPT from unknown[45.115.26.51]: 554 5.7.1 Service unavailable; Client host [45.115.26.51] blocked using sbl.spamhaus.org; Listed by CSS, see https://check.spamhaus.org/query/ip/45.115.26.51; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<jwCxXcpO>
2026-10-08T00:21:51.718671l03.customhost.org.uk postfix/smtpd[3667]: NOQUEUE: reject: RCPT from unknown[45.115.26.51]: 554 5.7.1 Service unavailable; Client host [45.115.26.51] blocked using sbl.spamhaus.org; Listed by CSS, see https://check.spamhaus.
...
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Web Spam
Brute-Force
Exploited Host
Anonymous
2026-10-07T20:12:51.363529+01:00 [masked] postfix/smtpd[2572617]: NOQUEUE: reject: RCPT from unknown ...
show more2026-10-07T20:12:51.363529+01:00 [masked] postfix/smtpd[2572617]: NOQUEUE: reject: RCPT from unknown[45.115.26.51]: 554 5.7.1 <[email protected]>: Relay access denied; from=<emily@[masked]> to=<[email protected]> proto=ESMTP helo=<ufRprFMY3>
2026-10-07T20:13:01.582203+01:00 [masked] postfix/smtpd[2572617]: NOQUEUE: reject: RCPT from unknown[45.115.26.51]: 554 5.7.1 <[email protected]>: Relay access denied; from=<emily@[masked]> to=<[email protected]> proto=ESMTP helo=<5UvEkieG>
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Blocked 18 connection attempts due to Spamhaus RBL (RJCT05) in the past 4 hours. To request delistin ...
show moreBlocked 18 connection attempts due to Spamhaus RBL (RJCT05) in the past 4 hours. To request delisting, visit https://www.spamhaus.org/lookup/ to check your IP status and submit a delist request if eligible.
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2026-10-07T03:51:51.787955+00:00 nsx postfix/smtpd[2756340]: NOQUEUE: reject: RCPT from unknown[45.1 ...
show more2026-10-07T03:51:51.787955+00:00 nsx postfix/smtpd[2756340]: NOQUEUE: reject: RCPT from unknown[45.115.26.51]: 554 5.7.1 Service unavailable; Client host [45.115.26.51] blocked using zen.spamhaus.org; Listed by CSS, see https://check.spamhaus.org/query/ip/45.115.26.51 / Listed by XBL, see https://check.spamhaus.org/query/ip/45.115.26.51 / Listed by PBL, see https://check.spamhaus.org/query/ip/45.115.26.51; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<a0Uz9a>
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