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161.38.201.121

Recent Activity

Abuse confidence score ?

19% Caution

91 reports

15 reporters · latest 4 days ago

ISP	Mailgun Technologies Inc.
Usage Type	Data Center/Web Hosting/Transit
ASN	AS396479
Hostname(s)	v5121.v5075e2e3.usw1.send.mailgun.net
Domain Name	mailgun.com
Country	🇺🇸 United States of America
City	Los Angeles, California

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IP Abuse Reports for 161.38.201.121

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This IP address has been reported a total of 91 times from 15 distinct sources. 161.38.201.121 was first reported on May 4th 2024, and the most recent report was 4 days ago. In the last 60 days, the top reporter locations were: Switzerland with 4 reports; United States of America with 4 reports. The only category in these recent reports was: Email Spam 10 times.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇭 Origon	2026-09-27 18:03:31 (4 days ago)	NOQUEUE - IP: 161.38.201.121 - Sep 27 20:03:31 plesk postfix/smtpd[3966758]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 161.38.201.121 - Sep 27 20:03:31 plesk postfix/smtpd[3966758]: NOQUEUE: reject: RCPT from v5121.v5075e2e3.usw1.send.mailgun.net[161.38.201.121]: 554 5.7.1 Service unavailable; Client host [161.38.201.121] blocked using dnsbl-1.uceprotect.net; IP 161.38.201.121 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=161.38.201.121; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<v5121.v5075e2e3.usw1.send.mailgun.net> show less	Email Spam
🇺🇸 xmission.com	2026-09-06 09:00:25 (3 weeks ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 42.1. Latest msgid suffix: ...01 ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 42.1. Latest msgid suffix: ...01cf157bda show less	Email Spam
🇨🇭 Origon	2026-08-24 14:23:24 (1 month ago)	NOQUEUE - IP: 161.38.201.121 - Aug 24 16:23:24 plesk postfix/smtpd[2192012]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 161.38.201.121 - Aug 24 16:23:24 plesk postfix/smtpd[2192012]: NOQUEUE: reject: RCPT from v5121.v5075e2e3.usw1.send.mailgun.net[161.38.201.121]: 554 5.7.1 Service unavailable; Client host [161.38.201.121] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: https://www.spamrats.com/bl?161.38.201.121; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<v5121.v5075e2e3.usw1.send.mailgun.net> show less	Email Spam
🇺🇸 xmission.com	2026-08-24 01:22:27 (1 month ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 31.2. Latest msgid suffix: ...2d ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 31.2. Latest msgid suffix: ...2d378249d4 show less	Email Spam
🇨🇭 Origon	2026-08-17 19:37:15 (1 month ago)	NOQUEUE - IP: 161.38.201.121 - Aug 17 21:37:14 plesk postfix/smtpd[384050]: NOQUEUE: reject: RCPT f ... show more NOQUEUE - IP: 161.38.201.121 - Aug 17 21:37:14 plesk postfix/smtpd[384050]: NOQUEUE: reject: RCPT from v5121.v5075e2e3.usw1.send.mailgun.net[161.38.201.121]: 554 5.7.1 Service unavailable; Client host [161.38.201.121] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: https://www.spamrats.com/bl?161.38.201.121; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<v5121.v5075e2e3.usw1.send.mailgun.net> show less	Email Spam
🇺🇸 xmission.com	2026-08-12 17:25:18 (1 month ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 29.0. Latest msgid suffix: ...5d ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 29.0. Latest msgid suffix: ...5d2c57da0e show less	Email Spam
🇺🇸 xmission.com	2026-08-09 21:52:18 (1 month ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 47.7. Latest msgid suffix: ...4c ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 47.7. Latest msgid suffix: ...4c9453b400 show less	Email Spam
🇨🇭 Origon	2026-08-07 12:51:38 (1 month ago)	NOQUEUE - IP: 161.38.201.121 - Aug 7 14:51:38 plesk postfix/smtpd[3420165]: NOQUEUE: reject: RCPT f ... show more NOQUEUE - IP: 161.38.201.121 - Aug 7 14:51:38 plesk postfix/smtpd[3420165]: NOQUEUE: reject: RCPT from v5121.v5075e2e3.usw1.send.mailgun.net[161.38.201.121]: 554 5.7.1 Service unavailable; Client host [161.38.201.121] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: https://www.spamrats.com/bl?161.38.201.121; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<v5121.v5075e2e3.usw1.send.mailgun.net> show less	Email Spam
🇩🇪 ksol-hostmaster	2026-08-02 19:02:42 (1 month ago)	Aug 2 21:02:41 ksol postfix/postscreen[10073]: NOQUEUE: reject: RCPT from [161.38.201.121]:33348: 5 ... show more Aug 2 21:02:41 ksol postfix/postscreen[10073]: NOQUEUE: reject: RCPT from [161.38.201.121]:33348: 550 5.7.1 Service unavailable; client [161.38.201.121] blocked using dnsbl-1.uceprotect.net; from=<anonymized@email>, to=<anonymized@email>, proto=ESMTP, helo=<v5121.v5075e2e3.usw1.send.mailgun.net> ... show less	Email Spam
Anonymous	2026-08-02 18:16:00 (1 month ago)	E-mail spam at 2026-08-02 18:16 from @mg2.substack.com with score 11	Email Spam
🇨🇭 Origon	2026-07-30 00:37:11 (2 months ago)	NOQUEUE - IP: 161.38.201.121 - Jul 30 02:37:11 plesk postfix/smtpd[3168124]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 161.38.201.121 - Jul 30 02:37:11 plesk postfix/smtpd[3168124]: NOQUEUE: reject: RCPT from v5121.v5075e2e3.usw1.send.mailgun.net[161.38.201.121]: 554 5.7.1 Service unavailable; Client host [161.38.201.121] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: http://www.spamrats.com/bl?161.38.201.121; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<v5121.v5075e2e3.usw1.send.mailgun.net> show less	Email Spam
🇨🇭 Origon	2026-07-24 13:08:09 (2 months ago)	NOQUEUE - IP: 161.38.201.121 - Jul 24 15:08:09 plesk postfix/smtpd[3970679]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 161.38.201.121 - Jul 24 15:08:09 plesk postfix/smtpd[3970679]: NOQUEUE: reject: RCPT from v5121.v5075e2e3.usw1.send.mailgun.net[161.38.201.121]: 554 5.7.1 Service unavailable; Client host [161.38.201.121] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: http://www.spamrats.com/bl?161.38.201.121; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<v5121.v5075e2e3.usw1.send.mailgun.net> show less	Email Spam
🇨🇭 Origon	2026-07-20 20:06:05 (2 months ago)	NOQUEUE - IP: 161.38.201.121 - Jul 20 22:06:05 plesk postfix/smtpd[2548807]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 161.38.201.121 - Jul 20 22:06:05 plesk postfix/smtpd[2548807]: NOQUEUE: reject: RCPT from v5121.v5075e2e3.usw1.send.mailgun.net[161.38.201.121]: 554 5.7.1 Service unavailable; Client host [161.38.201.121] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: http://www.spamrats.com/bl?161.38.201.121; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<v5121.v5075e2e3.usw1.send.mailgun.net> show less	Email Spam
Anonymous	2026-07-18 14:03:01 (2 months ago)	SMTP abuse detected on MailEnable server (auto-report).	Email Spam Brute-Force
🇺🇸 xmission.com	2026-07-13 01:49:09 (2 months ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 25.7. Latest msgid suffix: ...d9 ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 25.7. Latest msgid suffix: ...d913c06e9e show less	Email Spam

Showing 1 to 15 of 91 reports

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