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106.153.250.45

Recent Activity

Abuse confidence score ?

41% Elevated

36 reports

18 reporters · latest 4 hours ago

ISP	KDDI CORPORATION
Usage Type	Fixed Line ISP
ASN	AS2516
Hostname(s)	mta-sp-w03.commufa.jp
Domain Name	kddi.com
Country	🇯🇵 Japan
City	Osaka, Osaka

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IP Abuse Reports for 106.153.250.45

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This IP address has been reported a total of 36 times from 18 distinct sources. 106.153.250.45 was first reported on March 9th 2026, and the most recent report was 4 hours ago. In the last 60 days, the top reporter locations were: Germany with 4 reports; Switzerland with 3 reports; United States of America with 3 reports. The most common categories in these recent reports were: Email Spam 11 times; Brute-Force 4 times.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇪🇸 librebit	2026-10-02 04:35:33 (4 hours ago)	Brute force	Brute-Force
🇺🇸 xmission.com	2026-09-30 21:42:21 (1 day ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 26.4. Latest msgid suffix: ...34 ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 26.4. Latest msgid suffix: ...34ea69aabb show less	Email Spam
🇨🇭 Origon	2026-09-30 02:57:19 (2 days ago)	NOQUEUE - IP: 106.153.250.45 - Sep 30 04:57:19 plesk postfix/smtpd[4093226]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 106.153.250.45 - Sep 30 04:57:19 plesk postfix/smtpd[4093226]: NOQUEUE: reject: RCPT from mta-sp-w03.commufa.jp[106.153.250.45]: 554 5.7.1 Service unavailable; Client host [106.153.250.45] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: http://www.spamrats.com/bl?106.153.250.45; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<mta-sp-w03.commufa.jp> show less	Email Spam
🇸🇰 wirecontrol	2026-09-28 19:49:14 (3 days ago)	SpamScore above: 10.0	Email Spam
🇩🇪 phil2k	2026-08-26 12:48:30 (1 month ago)	Fail2ban: Within 2026-08-20 12:33:28 - 2026-08-20 12:33:28 CEST(+0200) banned: 4 times by fail2ban[< ... show more Fail2ban: Within 2026-08-20 12:33:28 - 2026-08-20 12:33:28 CEST(+0200) banned: 4 times by fail2ban[<MTA>-rbl]; 4 times by fail2ban[<MTA>]; 4 times by fail2ban[recidive] show less	Brute-Force Email Spam
🇨🇭 Mario Bretscher	2026-08-21 08:58:15 (1 month ago)	2026-08-21T10:58:13.741107+02:00 hades postfix/smtpd[1898014]: NOQUEUE: reject: RCPT from mta-sp-w03 ... show more 2026-08-21T10:58:13.741107+02:00 hades postfix/smtpd[1898014]: NOQUEUE: reject: RCPT from mta-sp-w03.commufa.jp[106.153.250.45]: 554 5.7.1 Service unavailable; Client host [106.153.250.45] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=106.153.250.45; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<mta-sp-w03.commufa.jp> ... show less	Email Spam
🇩🇪 phil2k	2026-08-20 10:33:29 (1 month ago)	fail2ban:<MTA>-rbl:2026-08-20T12:33:28.168855+02:00 <SRV> <MTA>/smtpd[2291415]: NOQUEUE: reject: RCP ... show more fail2ban:<MTA>-rbl:2026-08-20T12:33:28.168855+02:00 <SRV> <MTA>/smtpd[2291415]: NOQUEUE: reject: RCPT from mta-sp-w03.commufa.jp[106.153.250.45]: 554 5.7.1 Service unavailable; Client host [106.153.250.45] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=106.153.250.45; from=<[email protected]> to=<catalin@<ANONYMIZED_DOMAIN>> proto=ESMTP helo=<mta-sp-w03.commufa.jp> show less	Email Spam Brute-Force
🇩🇪 jasperedv.de	2026-08-20 04:30:44 (1 month ago)	SMTP blocked - SPAM	Email Spam Brute-Force
🇩🇪 ksol-hostmaster	2026-08-16 17:25:54 (1 month ago)	Aug 16 19:25:54 ksol postfix/postscreen[22172]: NOQUEUE: reject: RCPT from [106.153.250.45]:60257: 5 ... show more Aug 16 19:25:54 ksol postfix/postscreen[22172]: NOQUEUE: reject: RCPT from [106.153.250.45]:60257: 550 5.7.1 Service unavailable; client [106.153.250.45] blocked using rep.mailspike.net; from=<anonymized@email>, to=<anonymized@email>, proto=ESMTP, helo=<mta-sp-w03.commufa.jp> ... show less	Email Spam
🇺🇸 xmission.com	2026-08-08 21:06:28 (1 month ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 35.1. Latest msgid suffix: ...C3 ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 35.1. Latest msgid suffix: ...C3E650193F show less	Email Spam
🇺🇸 DiodeDave	2026-08-06 05:24:16 (1 month ago)	Attempted access after blacklisting	Email Spam
🇨🇭 Origon	2026-08-04 01:48:41 (1 month ago)	NOQUEUE - IP: 106.153.250.45 - Aug 4 03:48:41 plesk postfix/smtpd[2325564]: NOQUEUE: reject: RCPT f ... show more NOQUEUE - IP: 106.153.250.45 - Aug 4 03:48:41 plesk postfix/smtpd[2325564]: NOQUEUE: reject: RCPT from mta-sp-w03.commufa.jp[106.153.250.45]: 554 5.7.1 Service unavailable; Client host [106.153.250.45] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: https://www.spamrats.com/bl?106.153.250.45; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<mta-sp-w03.commufa.jp> show less	Email Spam
🇺🇸 xmission.com	2026-07-29 21:34:49 (2 months ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 28.9. Latest msgid suffix: ...4E ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 28.9. Latest msgid suffix: ...4E7E638556 show less	Email Spam
🇩🇪 ksol-hostmaster	2026-07-29 03:52:10 (2 months ago)	Jul 29 05:52:09 ksol postfix/postscreen[60843]: NOQUEUE: reject: RCPT from [106.153.250.45]:59393: 5 ... show more Jul 29 05:52:09 ksol postfix/postscreen[60843]: NOQUEUE: reject: RCPT from [106.153.250.45]:59393: 550 5.7.1 Service unavailable; client [106.153.250.45] blocked using bl.spamcop.net; from=<anonymized@email>, to=<anonymized@email>, proto=ESMTP, helo=<mta-sp-w03.commufa.jp> ... show less	Email Spam
🇺🇸 xmission.com	2026-07-26 21:07:26 (2 months ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 59.0. Latest msgid suffix: ...23 ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 59.0. Latest msgid suffix: ...23591.User show less	Email Spam

Showing 1 to 15 of 36 reports

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