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AbuseIPDB » 4.242.17.57

4.242.17.57 was found in our database!

This IP was reported 16 times. Confidence of Abuse is 61%: ?

61%

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Domain Name	microsoft.com
Country	🇺🇸 United States of America
City	Moses Lake, Washington

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

Report 4.242.17.57

Whois 4.242.17.57

IP Abuse Reports for 4.242.17.57:

This IP address has been reported a total of 16 times from 13 distinct sources. 4.242.17.57 was first reported on August 20th 2026, and the most recent report was 2 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
Anonymous	2026-08-28 16:31:41 (2 days ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
Anonymous	2026-08-24 04:32:31 (1 week ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
Anonymous	2026-08-21 16:24:13 (1 week ago)	Port scanning: unknown[4.242.17.57] unknown[4.242.17.57] unknown[4.242.17.57]	Brute-Force
Anonymous	2026-08-21 04:30:23 (1 week ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
Anonymous	2026-08-21 01:53:50 (1 week ago)	Authentication failure	Brute-Force
🇧🇷 dominioz	2026-08-20 22:31:33 (1 week ago)	4.242.17.57 [3E74] 19:28:54 Authentication [SMTP] - Result=0, [email protected], Method ... show more 4.242.17.57 [3E74] 19:28:54 Authentication [SMTP] - Result=0, [email protected], Method=0 4.242.17.57 [3E74] 19:31:29 Authentication [SMTP] - Result=0, [email protected], Method=0 ... show less	Brute-Force
Anonymous	2026-08-20 20:37:43 (1 week ago)	(smtpauth) Failed SMTP AUTH login from 4.242.17.57 (US/United States/-)	Brute-Force
🇩🇪 samba.org	2026-08-20 20:36:01 (1 week ago)	spam (f2b h2)	Brute-Force
🇧🇷 govfacil.app	2026-08-20 20:34:09 (1 week ago)	(smtpauth) Failed SMTP AUTH login from 4.242.17.57 (US/United States/-): 5 in the last 3600 secs; Po ... show more (smtpauth) Failed SMTP AUTH login from 4.242.17.57 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-08-20 17:09:13 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:54646: 535 Incorrect authentication data ([email protected]) 2026-08-20 17:27:01 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:41720: 535 Incorrect authentication data ([email protected]) 2026-08-20 17:29:27 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:54556: 535 Incorrect authentication data ([email protected]) 2026-08-20 17:31:47 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:41640: 535 Incorrect authentication data ([email protected]) 2026-08-20 17:34:06 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:50202: 535 Incorrect authentication data ([email protected]) show less	Brute-Force
Anonymous	2026-08-20 20:33:29 (1 week ago)		Brute-Force
🇧🇷 SvrAdmin	2026-08-20 20:33:19 (1 week ago)	[199] (smtpauth) Failed SMTP AUTH login from 4.242.17.57 (US/United States/-): 5 in the last 3600 se ... show more [199] (smtpauth) Failed SMTP AUTH login from 4.242.17.57 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-08-20 17:10:06 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:60252: 535 Incorrect authentication data ([email protected]) 2026-08-20 17:26:03 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:46622: 535 Incorrect authentication data ([email protected]) 2026-08-20 17:28:31 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:59442: 535 Incorrect authentication data ([email protected]) 2026-08-20 17:30:55 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:56140: 535 Incorrect authentication data ([email protected]) 2026-08-20 17:33:17 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:33138: 535 Incorrect authentication data ([email protected]) show less	Port Scan Hacking Brute-Force Exploited Host
🇺🇸 hostmach	2026-08-20 20:30:19 (1 week ago)	(smtpauth) Failed SMTP AUTH login from 4.242.17.57 (US/United States/-): 5 in the last 3600 secs; Po ... show more (smtpauth) Failed SMTP AUTH login from 4.242.17.57 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-08-20 20:24:10 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:50252: 535 Incorrect authentication data ([email protected]) 2026-08-20 20:27:19 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:54266: 535 Incorrect authentication data ([email protected]) 2026-08-20 20:27:37 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:51906: 535 Incorrect authentication data ([email protected]) 2026-08-20 20:30:02 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:47344: 535 Incorrect authentication data ([email protected]) 2026-08-20 20:30:17 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:60370: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇧🇷 LM Security	2026-08-20 20:30:04 (1 week ago)	2026-08-20 17:30:02 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:47570: 535 Incorr ... show more 2026-08-20 17:30:02 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:47570: 535 Incorrect authentication data (set_id=angela.nazari@[redacted]company.com.br) 2026-08-20 17:29:55 dovecot_login authenticator failed for H=(ADMIN) [4.242.17.57]:52134: 535 Incorrect authentication data (set_id=antonio.ferreira@[redacted]holding.com.br) show less	Brute-Force
🇺🇸 vandomatos	2026-08-20 20:28:52 (1 week ago)	Aug 20 12:36:02 servidor postfix/smtps/smtpd[3662896]: warning: unknown[4.242.17.57]: SASL LOGIN aut ... show more Aug 20 12:36:02 servidor postfix/smtps/smtpd[3662896]: warning: unknown[4.242.17.57]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Aug 20 13:26:17 servidor postfix/smtps/smtpd[3671121]: warning: unknown[4.242.17.57]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Aug 20 13:28:50 servidor postfix/smtps/smtpd[3671411]: warning: unknown[4.242.17.57]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 ... show less	Phishing Web Spam Email Spam Hacking Spoofing Brute-Force Bad Web Bot
🇧🇷 dominioz	2026-08-20 20:27:59 (1 week ago)	4.242.17.57 [3E74] 16:44:21 Authentication [SMTP] - Result=0, [email protected], Method ... show more 4.242.17.57 [3E74] 16:44:21 Authentication [SMTP] - Result=0, [email protected], Method=0 4.242.17.57 [3E74] 17:25:19 Authentication [SMTP] - Result=0, [email protected], Method=0 4.242.17.57 [3E74] 17:27:55 Authentication [SMTP] - Result=0, [email protected], Method=0 ... show less	Brute-Force

Showing 1 to 15 of 16 reports

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