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AbuseIPDB » 159.100.25.16

159.100.25.16 was found in our database!

This IP was reported 13 times. Confidence of Abuse is 33%: ?

33%

ISP	First Colo GmbH
Usage Type	Data Center/Web Hosting/Transit
ASN	AS203833
Hostname(s)	go-au.com
Domain Name	firstcolo.net
Country	🇦🇹 Austria
City	Vienna, State of Vienna

IP info including ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

Report 159.100.25.16

Whois 159.100.25.16

IP Abuse Reports for 159.100.25.16:

This IP address has been reported a total of 13 times from 8 distinct sources. 159.100.25.16 was first reported on December 24th 2021, and the most recent report was 3 days ago.

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.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇸🇰 wirecontrol	2026-07-11 17:07:08 (3 days ago)	SpamScore above: 10.0	Email Spam
🇬🇧 killian7603	2026-07-11 17:02:14 (3 days ago)	Logon Policy Violation	Email Spam Spoofing Brute-Force
🇨🇭 Origon	2026-07-11 17:00:29 (3 days ago)	NOQUEUE - IP: 159.100.25.16 - Jul 11 19:00:28 plesk postfix/smtpd[3165899]: NOQUEUE: reject: RCPT f ... show more NOQUEUE - IP: 159.100.25.16 - Jul 11 19:00:28 plesk postfix/smtpd[3165899]: NOQUEUE: reject: RCPT from unknown[159.100.25.16]: 554 5.7.1 Service unavailable; Client host [159.100.25.16] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=159.100.25.16; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<venus.viyut.shop> show less	Email Spam
🇺🇸 remoteagent	2026-06-23 21:35:51 (2 weeks ago)	Email spam source IP connecting directly to mx.maillennium.com. Extracted from Received header. Obse ... show more Email spam source IP connecting directly to mx.maillennium.com. Extracted from Received header. Observed 1 time(s). show less	Email Spam
🇨🇿 Prcek	2026-06-20 09:55:47 (3 weeks ago)	SMTPD Errors: Jun 20 11:55:46 gate postfix/smtpd[2074157]: NOQUEUE: reject: RCPT from unknown[159.10 ... show more SMTPD Errors: Jun 20 11:55:46 gate postfix/smtpd[2074157]: NOQUEUE: reject: RCPT from unknown[159.100.25.16]: 450 4.7.25 Client host rejected: cannot find your hostname, [159.100.25.16]; from=<6363-649-14212-822-martin.marecek=redacted@redacted> to=<redacted@redacted> proto=ESMTP helo=<server.miraclelash.shop> show less	Email Spam Brute-Force
🇹🇷 agah.balta	2026-06-20 09:55:42 (3 weeks ago)	PMG Spam Score: 29.0. Hits: KAM_SOMETLD_ARE_BAD_TLD(5), KAM_VERY_BLACK_DBL(5), RCVD_IN_SBL_CSS(3.558 ... show more PMG Spam Score: 29.0. Hits: KAM_SOMETLD_ARE_BAD_TLD(5), KAM_VERY_BLACK_DBL(5), RCVD_IN_SBL_CSS(3.558), RDNS_NONE(5), URIBL_ABUSE_SURBL(1.948), URIBL_BLACK(1.7), URIBL_DBL_SPAM(5) show less	Email Spam Hacking
🇨🇭 Origon	2026-06-20 09:52:37 (3 weeks ago)	NOQUEUE - IP: 159.100.25.16 - Jun 20 11:52:37 plesk postfix/smtpd[2272244]: NOQUEUE: reject: RCPT f ... show more NOQUEUE - IP: 159.100.25.16 - Jun 20 11:52:37 plesk postfix/smtpd[2272244]: NOQUEUE: reject: RCPT from unknown[159.100.25.16]: 554 5.7.1 Service unavailable; Client host [159.100.25.16] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=159.100.25.16; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<server.miraclelash.shop> show less	Email Spam
🇨🇿 Prcek	2026-06-07 13:52:35 (1 month ago)	SMTPD Errors: Jun 7 15:52:34 gate postfix/smtpd[1070361]: NOQUEUE: reject: RCPT from unknown[159.10 ... show more SMTPD Errors: Jun 7 15:52:34 gate postfix/smtpd[1070361]: NOQUEUE: reject: RCPT from unknown[159.100.25.16]: 450 4.7.25 Client host rejected: cannot find your hostname, [159.100.25.16]; from=<6174-649-14212-540-martin.marecek=redacted@redacted> to=<redacted@redacted> proto=ESMTP helo=<xray.pureliv.sa.com> show less	Email Spam Brute-Force
🇹🇷 agah.balta	2026-06-07 13:52:25 (1 month ago)	PMG Spam Score: 33.0. Hits: KAM_2TLD_PROBLEMS(3.5), KAM_SA_ZA_ABUSE(3), KAM_VERY_BLACK_DBL(5), NORDN ... show more PMG Spam Score: 33.0. Hits: KAM_2TLD_PROBLEMS(3.5), KAM_SA_ZA_ABUSE(3), KAM_VERY_BLACK_DBL(5), NORDNS_LOW_CONTRAST(2.499), PCCC_BAD_FREE_URI(2.5), RCVD_IN_SBL_CSS(3.558), RDNS_NONE(5), URIBL_ABUSE_SURBL(1.948), URIBL_BLACK(1.7), URIBL_DBL_SPAM(5) show less	Email Spam Hacking
🇨🇭 Origon	2026-06-07 13:46:47 (1 month ago)	NOQUEUE - IP: 159.100.25.16 - Jun 7 15:46:46 plesk postfix/smtpd[688119]: NOQUEUE: reject: RCPT fro ... show more NOQUEUE - IP: 159.100.25.16 - Jun 7 15:46:46 plesk postfix/smtpd[688119]: NOQUEUE: reject: RCPT from unknown[159.100.25.16]: 554 5.7.1 Service unavailable; Client host [159.100.25.16] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=159.100.25.16; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<xray.pureliv.sa.com> show less	Email Spam
🇺🇸 NXTwoThou	2022-10-24 10:28:01 (3 years ago)	Spam	Email Spam
🇩🇪 compose3d.com	2021-12-25 08:56:38 (4 years ago)	[SPAM] Do THIS When A Gun Is Pointed At Your Head	Email Spam
🇺🇸 NXTwoThou	2021-12-24 10:14:54 (4 years ago)	Spam	Email Spam

Showing 1 to 13 of 13 reports

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown 🚩

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