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AbuseIPDB » 3.123.129.252

3.123.129.252 was found in our database!

This IP was reported 26 times. Confidence of Abuse is 100%: ?

100%

ISP	A100 ROW GmbH
Usage Type	Data Center/Web Hosting/Transit
ASN	AS16509
Hostname(s)	ec2-3-123-129-252.eu-central-1.compute.amazonaws.com
Domain Name	amazon.com
Country	🇩🇪 Germany
City	Frankfurt am Main, Hesse

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

Report 3.123.129.252

Whois 3.123.129.252

IP Abuse Reports for 3.123.129.252:

This IP address has been reported a total of 26 times from 24 distinct sources. 3.123.129.252 was first reported on January 16th 2026, and the most recent report was 13 hours 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
🇩🇪 tvnl.eu	2026-09-02 22:12:22 (13 hours ago)	Banned by fail2ban on <hostname> for jail dovecot. Attempts: 5	Brute-Force
🇩🇰 powerhostingdk	2026-09-02 21:23:42 (14 hours ago)	[mailserver] CrowdSec detected crowdsecurity/postfix-spam (6 events). Automated abuse report.	Email Spam Brute-Force
🇩🇪 John Chrys.	2026-09-02 21:13:40 (14 hours ago)	Sep 3 00:06:42 diego postfix/smtpd[981567]: warning: ec2-3-123-129-252.eu-central-1.compute.amazona ... show more Sep 3 00:06:42 diego postfix/smtpd[981567]: warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: authentication failure Sep 3 00:06:43 diego postfix/smtpd[981567]: warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: authentication failure Sep 3 00:13:38 diego postfix/smtpd[984443]: warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: authentication failure ... show less	Brute-Force Email Spam
🇳🇱 e.fierstra	2026-09-02 19:53:52 (15 hours ago)	Failed SMTP logins	Brute-Force
🇬🇧 Marten Mark	2026-09-02 18:41:38 (17 hours ago)	2026-09-02T17:27:44.296215+00:00 mail postfix/submission/smtpd[847813]: warning: ec2-3-123-129-252.e ... show more 2026-09-02T17:27:44.296215+00:00 mail postfix/submission/smtpd[847813]: warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=jca 2026-09-02T17:27:50.455445+00:00 mail postfix/submission/smtpd[847813]: warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: (reason unavailable), [email protected] 2026-09-02T18:41:31.494415+00:00 mail postfix/submission/smtpd[858873]: warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=jca 2026-09-02T18:41:37.173943+00:00 mail postfix/submission/smtpd[858873]: warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: (reason unavailable), [email protected] ... show less	Email Spam Brute-Force
Anonymous	2026-09-02 17:57:02 (17 hours ago)	BruteForce IMAP/POP3/SMTP	Brute-Force
🇮🇩 xveil	2026-09-02 17:43:55 (18 hours ago)	2026-09-03T00:42:34.391354 mail-honeypot postfix/submission/smtpd[8336]: warning: ec2-3-123-129-252. ... show more 2026-09-03T00:42:34.391354 mail-honeypot postfix/submission/smtpd[8336]: warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: authentication failure ... show less	Brute-Force
🇫🇷 UM3	2026-09-02 17:25:25 (18 hours ago)	Exim Auth Failed	Brute-Force
🇷🇴 iulianh	2026-09-02 17:05:00 (18 hours ago)	25,465,587	Brute-Force SSH
🇳🇱 Sonar	2026-09-02 16:10:15 (19 hours ago)	Bad_host	Brute-Force
🇨🇿 lp	2026-09-02 15:21:03 (20 hours ago)	Email account brute force: 4 attempts were recorded from 3.123.129.252 2026-09-02T16:17:14+02:00 war ... show more Email account brute force: 4 attempts were recorded from 3.123.129.252 2026-09-02T16:17:14+02:00 warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: authentication failure, [email protected] 2026-09-02T16:17:15+02:00 warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: authentication failure, [email protected] 2026-09-02T16:17:15+02:00 warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: authentication failure, [email protected] 2026-09-02T16:17:15+02:00 warning: ec2-3-123-129-252.eu-central-1.compute.amazonaws.com[3.123.129.252]: SASL LOGIN authentication failed: authentication failure, [email protected] show less	Brute-Force
🇳🇱 GabrielJST	2026-09-02 15:18:00 (20 hours ago)	(smtpauth) Failed SMTP AUTH login from 3.123.129.252 (DE/Germany/ec2-3-123-129-252.eu-central-1.comp ... show more (smtpauth) Failed SMTP AUTH login from 3.123.129.252 (DE/Germany/ec2-3-123-129-252.eu-central-1.compute.amazonaws.com) show less	Brute-Force
🇧🇷 govfacil.app	2026-09-02 14:56:06 (20 hours ago)	(smtpauth) Failed SMTP AUTH login from 3.123.129.252 (DE/Germany/ec2-3-123-129-252.eu-central-1.comp ... show more (smtpauth) Failed SMTP AUTH login from 3.123.129.252 (DE/Germany/ec2-3-123-129-252.eu-central-1.compute.amazonaws.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-02 11:55:36 dovecot_login authenticator failed for H=ec2-3-123-129-252.eu-central-1.compute.amazonaws.com (a6YNGKl) [3.123.129.252]:63166: 535 Incorrect authentication data (set_id=licitacao) 2026-09-02 11:55:44 dovecot_login authenticator failed for H=ec2-3-123-129-252.eu-central-1.compute.amazonaws.com (8C7j140tl) [3.123.129.252]:63944: 535 Incorrect authentication data ([email protected]) 2026-09-02 11:55:56 dovecot_login authenticator failed for H=ec2-3-123-129-252.eu-central-1.compute.amazonaws.com (IXpJUuC) [3.123.129.252]:65477: 535 Incorrect authentication data (set_id=licitacao) 2026-09-02 11:56:00 dovecot_login authenticator failed for H=ec2-3-123-129-252.eu-central-1.compute.amazonaws.com (d8Gs09u6gc) [3.123.129.252]:51214: 535 Incorrect authent [truncated] show less	Brute-Force
Anonymous	2026-09-02 14:38:15 (21 hours ago)	RdpGuard detected brute-force attempt on SMTP	Brute-Force
🇳🇱 Mangelot Hosting	2026-09-02 14:26:13 (21 hours ago)	(exim_auth_fail) srv103 Exim Login Failure 3.123.129.252 (DE/Germany/ec2-3-123-129-252.eu-central-1. ... show more (exim_auth_fail) srv103 Exim Login Failure 3.123.129.252 (DE/Germany/ec2-3-123-129-252.eu-central-1.compute.amazonaws.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: show less	Web App Attack

Showing 1 to 15 of 26 reports

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