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AbuseIPDB » 104.168.53.46

104.168.53.46 was found in our database!

This IP was reported 14 times. Confidence of Abuse is 48%: ?

48%

ISP	RackNerd LLC
Usage Type	Data Center/Web Hosting/Transit
ASN	AS36352
Hostname(s)	cluster.locar.tur.br
Domain Name	racknerd.com
Country	🇺🇸 United States of America
City	Buffalo, New York

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

Report 104.168.53.46

Whois 104.168.53.46

IP Abuse Reports for 104.168.53.46:

This IP address has been reported a total of 14 times from 8 distinct sources. 104.168.53.46 was first reported on April 28th 2026, and the most recent report was 1 day 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
Anonymous	2026-07-13 16:30:11 (1 day ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
🇺🇸 bigscoots.com	2026-07-12 21:46:44 (2 days ago)	(PERMBLOCK) 104.168.53.46 (US/United States/cluster.locar.tur.br) has had more than 4 temp blocks in ... show more (PERMBLOCK) 104.168.53.46 (US/United States/cluster.locar.tur.br) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-07-12 20:52:55 (2 days ago)	(smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): 5 in t ... show more (smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-07-12 16:10:42 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:50804: 535 Incorrect authentication data ([email protected]) 2026-07-12 16:21:26 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:41988: 535 Incorrect authentication data ([email protected]) 2026-07-12 16:31:43 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:33698: 535 Incorrect authentication data ([email protected]) 2026-07-12 16:42:20 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:52938: 535 Incorrect authentication data ([email protected]) 2026-07-12 16:52:52 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:46152: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇵🇾 SecOpsSL	2026-07-12 20:43:40 (2 days ago)	Jul 12 17:43:39 mail postfix/smtps/smtpd[31656]: warning: unknown[104.168.53.46]: SASL LOGIN authent ... show more Jul 12 17:43:39 mail postfix/smtps/smtpd[31656]: warning: unknown[104.168.53.46]: SASL LOGIN authentication failed: authentication failure show less	Email Spam Brute-Force
🇺🇸 bigscoots.com	2026-07-12 19:59:38 (2 days ago)	(smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): 5 in t ... show more (smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-07-12 15:16:44 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:35200: 535 Incorrect authentication data ([email protected]) 2026-07-12 15:27:15 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:51534: 535 Incorrect authentication data ([email protected]) 2026-07-12 15:38:03 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:43156: 535 Incorrect authentication data ([email protected]) 2026-07-12 15:48:56 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:35624: 535 Incorrect authentication data ([email protected]) 2026-07-12 15:59:34 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:54930: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-07-12 19:06:44 (2 days ago)	(smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): 5 in t ... show more (smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-07-12 14:27:38 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:52516: 535 Incorrect authentication data ([email protected]) 2026-07-12 14:37:13 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:37860: 535 Incorrect authentication data ([email protected]) 2026-07-12 14:47:08 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:51642: 535 Incorrect authentication data ([email protected]) 2026-07-12 14:56:52 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:36648: 535 Incorrect authentication data ([email protected]) 2026-07-12 15:06:41 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:49454: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-07-12 18:18:05 (2 days ago)	(smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): 5 in t ... show more (smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-07-12 13:41:04 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:46638: 535 Incorrect authentication data ([email protected]) 2026-07-12 13:49:52 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:58178: 535 Incorrect authentication data ([email protected]) 2026-07-12 13:59:04 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:42362: 535 Incorrect authentication data ([email protected]) 2026-07-12 14:08:25 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:55044: 535 Incorrect authentication data ([email protected]) 2026-07-12 14:18:01 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:39316: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇧🇷 hostseries	2026-07-12 16:57:06 (2 days ago)	Trigger: LF_SMTPAUTH	Brute-Force
Anonymous	2026-07-12 16:50:02 (2 days ago)	BruteForce IMAP/POP3/SMTP	Brute-Force
🇵🇾 SecOpsSL	2026-07-12 16:37:39 (2 days ago)	Jul 12 13:37:38 mail postfix/smtps/smtpd[4676]: warning: unknown[104.168.53.46]: SASL LOGIN authenti ... show more Jul 12 13:37:38 mail postfix/smtps/smtpd[4676]: warning: unknown[104.168.53.46]: SASL LOGIN authentication failed: authentication failure show less	Email Spam Brute-Force
🇧🇷 SvrAdmin	2026-07-12 16:36:43 (2 days ago)	[101] (smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): ... show more [101] (smtpauth) Failed SMTP AUTH login from 104.168.53.46 (US/United States/cluster.locar.tur.br): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-07-12 13:28:52 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:55138: 535 Incorrect authentication data ([email protected]) 2026-07-12 13:29:50 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:38874: 535 Incorrect authentication data ([email protected]) 2026-07-12 13:32:31 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:43728: 535 Incorrect authentication data ([email protected]) 2026-07-12 13:35:09 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:46618: 535 Incorrect authentication data ([email protected]) 2026-07-12 13:36:42 dovecot_login authenticator failed for H=(ADMIN) [104.168.53.46]:36812: 535 Incorrect authentication data ([email protected]) show less	Port Scan Hacking Brute-Force Exploited Host
🇧🇷 KingHost	2026-07-12 16:35:54 (2 days ago)		Brute-Force
Anonymous	2026-07-12 16:30:06 (2 days ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
🇧🇷 ICS Labs	2026-04-28 15:07:01 (2 months ago)	ICS Labs identified malicious URL in email communication from IP 104.168.53.46	Phishing Email Spam Spoofing

Showing 1 to 14 of 14 reports

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