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170.203.24.2

Recent Activity

Abuse confidence score ?

34% Elevated

234 reports

15 reporters · latest 6 hours ago

ISP	Klaviyo, Inc
Usage Type	Data Center/Web Hosting/Transit
ASN	AS14618
Hostname(s)	kl-203-24-2.kmta.shared.klaviyomail.com
Domain Name	klaviyo.com
Country	🇺🇸 United States of America
City	Boston, Massachusetts

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IP Abuse Reports for 170.203.24.2

This IP address has been reported a total of 234 times from 15 distinct sources. 170.203.24.2 was first reported on June 16th 2024, and the most recent report was 6 hours ago. In the last 60 days, the top reporter locations were: United States of America with 19 reports; Switzerland with 5 reports; Netherlands with 3 reports. The only category in these recent reports was: Email Spam 31 times.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇭 Origon	2026-09-27 16:02:25 (6 hours ago)	NOQUEUE - IP: 170.203.24.2 - Sep 27 18:02:25 plesk postfix/smtpd[3870898]: NOQUEUE: reject: RCPT fr ... show more NOQUEUE - IP: 170.203.24.2 - Sep 27 18:02:25 plesk postfix/smtpd[3870898]: NOQUEUE: reject: RCPT from kl-203-24-2.kmta.shared.klaviyomail.com[170.203.24.2]: 554 5.7.1 Service unavailable; Client host [170.203.24.2] blocked using bl.0spam.org; Received: from kl-203-24-2.kmta.shared.klaviyomail.com (kl-203-24-2.kmta.shared.klaviyomail.com [170.203.24.2]) Thu, 10 Sep 2026 13:06:23 +0000 Subject: This spreads faster than you'd think; from=<bounce-kl_29845079007-kl_101101m3hgx5jvtfyjpg-h-4baaf9a678=2@k3.send.entrando.de> to=<REDACTED@REDACTED> proto=ESMTP helo=<kl-203-24-2.kmta.shared.klaviyomail.com> show less	Email Spam
🇺🇸 xmission.com	2026-09-27 13:30:56 (9 hours ago)	Sourced 2 spam messages over 3x XMissions threshold. Highest score: 31.4. Latest msgid suffix: ...KY ... show more Sourced 2 spam messages over 3x XMissions threshold. Highest score: 31.4. Latest msgid suffix: ...KYQ0W3PJEW show less	Email Spam
Anonymous	2026-09-24 18:37:00 (3 days ago)	E-mail spam at 2026-09-24 18:37 from @k3.email.babynatura.nl with score 9	Email Spam
🇨🇭 Origon	2026-09-23 07:37:08 (4 days ago)	NOQUEUE - IP: 170.203.24.2 - Sep 23 09:37:07 plesk postfix/smtpd[1452842]: NOQUEUE: reject: RCPT fr ... show more NOQUEUE - IP: 170.203.24.2 - Sep 23 09:37:07 plesk postfix/smtpd[1452842]: NOQUEUE: reject: RCPT from kl-203-24-2.kmta.shared.klaviyomail.com[170.203.24.2]: 554 5.7.1 Service unavailable; Client host [170.203.24.2] blocked using bl.0spam.org; Received: from kl-203-24-2.kmta.shared.klaviyomail.com (kl-203-24-2.kmta.shared.klaviyomail.com [170.203.24.2]) Thu, 10 Sep 2026 13:06:23 +0000 Subject: This spreads faster than you'd think; from=<bounce-kl_27651981405-kl_101101m337ja466j1scr-h-d991b4486b=2@send.blumiya-swiss.ch> to=<REDACTED@REDACTED> proto=ESMTP helo=<kl-203-24-2.kmta.shared.klaviyomail.com> show less	Email Spam
Anonymous	2026-09-22 10:41:00 (5 days ago)	E-mail spam at 2026-09-22 10:41 from @k3.send.culistack.com with score 15	Email Spam
🇨🇭 Origon	2026-09-14 16:04:21 (1 week ago)	NOQUEUE - IP: 170.203.24.2 - Sep 14 18:04:21 plesk postfix/smtpd[977698]: NOQUEUE: reject: RCPT fro ... show more NOQUEUE - IP: 170.203.24.2 - Sep 14 18:04:21 plesk postfix/smtpd[977698]: NOQUEUE: reject: RCPT from kl-203-24-2.kmta.shared.klaviyomail.com[170.203.24.2]: 554 5.7.1 Service unavailable; Client host [170.203.24.2] blocked using bl.0spam.org; Received: from kl-203-24-2.kmta.shared.klaviyomail.com (kl-203-24-2.kmta.shared.klaviyomail.com [170.203.24.2]) Mon, 24 Aug 2026 23:02:33 +0000 Subject: Grab Your 40% Off for Flawless Skin!; from=<bounce-kl_30015342469-kl_101101m2fqpv2ez72kzw-h-e49bd5a14d=2@k3.send.lynis-nailshop.de> to=<REDACTED@REDACTED> proto=ESMTP helo=<kl-203-24-2.kmta.shared.klaviyomail.com> show less	Email Spam
🇺🇸 xmission.com	2026-09-12 17:10:28 (2 weeks ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 25.3. Latest msgid suffix: ...2C ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 25.3. Latest msgid suffix: ...2CGDRR199N show less	Email Spam
🇨🇭 Origon	2026-09-11 14:16:24 (2 weeks ago)	NOQUEUE - IP: 170.203.24.2 - Sep 11 16:16:24 plesk postfix/smtpd[386662]: NOQUEUE: reject: RCPT fro ... show more NOQUEUE - IP: 170.203.24.2 - Sep 11 16:16:24 plesk postfix/smtpd[386662]: NOQUEUE: reject: RCPT from kl-203-24-2.kmta.shared.klaviyomail.com[170.203.24.2]: 554 5.7.1 Service unavailable; Client host [170.203.24.2] blocked using bl.0spam.org; Received: from kl-203-24-2.kmta.shared.klaviyomail.com (kl-203-24-2.kmta.shared.klaviyomail.com [170.203.24.2]) Mon, 24 Aug 2026 23:02:33 +0000 Subject: Grab Your 40% Off for Flawless Skin!; from=<bounce-kl_25831656616-kl_101101m280n63sjqgk46-h-1648e8aa6d=2@k3.send.heliotemil.com> to=<REDACTED@REDACTED> proto=ESMTP helo=<kl-203-24-2.kmta.shared.klaviyomail.com> show less	Email Spam
🇸🇪 triplecode	2026-09-10 12:07:18 (2 weeks ago)	Reported from hMailServer	Email Spam
🇨🇭 Origon	2026-09-07 22:04:53 (2 weeks ago)	NOQUEUE - IP: 170.203.24.2 - Sep 8 00:04:53 plesk postfix/smtpd[2430467]: NOQUEUE: reject: RCPT fro ... show more NOQUEUE - IP: 170.203.24.2 - Sep 8 00:04:53 plesk postfix/smtpd[2430467]: NOQUEUE: reject: RCPT from kl-203-24-2.kmta.shared.klaviyomail.com[170.203.24.2]: 554 5.7.1 Service unavailable; Client host [170.203.24.2] blocked using bl.0spam.org; Received: from kl-203-24-2.kmta.shared.klaviyomail.com (kl-203-24-2.kmta.shared.klaviyomail.com [170.203.24.2]) Mon, 24 Aug 2026 23:02:33 +0000 Subject: Grab Your 40% Off for Flawless Skin!; from=<bounce-kl_28418397976-kl_101101m1ppmsqn4tptjj-h-089a410482=2@k3.send.thefleeceblanket.com> to=<REDACTED@REDACTED> proto=ESMTP helo=<kl-203-24-2.kmta.shared.klaviyomail.com> show less	Email Spam
🇺🇸 xmission.com	2026-09-06 13:31:27 (3 weeks ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 40.3. Latest msgid suffix: ...BP ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 40.3. Latest msgid suffix: ...BP6JD0CDT8 show less	Email Spam
🇺🇸 xmission.com	2026-09-04 17:18:24 (3 weeks ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 35.5. Latest msgid suffix: ...DW ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 35.5. Latest msgid suffix: ...DWKGCW47YH show less	Email Spam
🇺🇸 xmission.com	2026-09-03 17:14:02 (3 weeks ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 28.2. Latest msgid suffix: ...PW ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 28.2. Latest msgid suffix: ...PW36FTBJ5B show less	Email Spam
🇸🇪 triplecode	2026-09-03 16:30:46 (3 weeks ago)	Reported from hMailServer	Email Spam
🇺🇸 xmission.com	2026-08-30 17:08:08 (4 weeks ago)	Sourced 2 spam messages over 3x XMissions threshold. Highest score: 31.6. Latest msgid suffix: ...97 ... show more Sourced 2 spam messages over 3x XMissions threshold. Highest score: 31.6. Latest msgid suffix: ...97EB97135S show less	Email Spam

Showing 1 to 15 of 234 reports

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