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AbuseIPDB » 140.228.21.72

140.228.21.72 was found in our database!

This IP was reported 29 times. Confidence of Abuse is 0%: ?

ISP	Internet Utilities NA LLC
Usage Type	Fixed Line ISP
ASN	AS174
Domain Name	iana.org
Country	🇨🇦 Canada
City	Montreal, Quebec

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

Report 140.228.21.72

Whois 140.228.21.72

IP Abuse Reports for 140.228.21.72:

This IP address has been reported a total of 29 times from 19 distinct sources. 140.228.21.72 was first reported on April 27th 2023, and the most recent report was 1 month ago.

Old Reports: The most recent abuse report for this IP address is from 1 month ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇫🇷 ventura-websolutions.de	2026-05-01 09:52:57 (1 month ago)	Mar 28 19:51:23 server postfix/submission/smtpd[2968842]: warning: unknown[140.228.21.72]: SASL PLAI ... show more Mar 28 19:51:23 server postfix/submission/smtpd[2968842]: warning: unknown[140.228.21.72]: SASL PLAIN authentication failed: Mar 28 19:51:29 server postfix/submission/smtpd[2968842]: warning: unknown[140.228.21.72]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Mar 28 19:51:35 server postfix/smtps/smtpd[2968874]: warning: unknown[140.228.21.72]: SASL PLAIN authentication failed: show less	Brute-Force
🇩🇪 netclix.gr	2026-04-10 14:40:20 (2 months ago)	(smtpauth) Failed SMTP AUTH login from 140.228.21.72 (CA/Canada/-)	Brute-Force
🇨🇿 lp	2026-03-28 19:19:50 (2 months ago)	Email account brute force: 6 attempts were recorded from 140.228.21.72 2026-03-28T19:36:56+01:00 war ... show more Email account brute force: 6 attempts were recorded from 140.228.21.72 2026-03-28T19:36:56+01:00 warning: unknown[140.228.21.72]: SASL PLAIN authentication failed: authentication failure, [email protected] 2026-03-28T19:36:56+01:00 warning: unknown[140.228.21.72]: SASL LOGIN authentication failed: authentication failure, [email protected] 2026-03-28T19:36:57+01:00 warning: unknown[140.228.21.72]: SASL PLAIN authentication failed: authentication failure, [email protected] 2026-03-28T19:36:57+01:00 warning: unknown[140.228.21.72]: SASL LOGIN authentication failed: authentication failure, [email protected] 2026-03-28T19:37:05+01:00 warning: unknown[140.228.21.72]: SASL PLAIN authentication failed: authentication failure, [email protected] 2026-03-28T19:37:05+01:00 warning: unknown[140.228.21.72]: SASL LOGIN authentication failed: authenticat show less	Brute-Force
🇫🇷 ventura-websolutions.de	2026-03-28 18:51:36 (2 months ago)	Mar 28 19:51:23 server postfix/submission/smtpd[2968842]: warning: unknown[140.228.21.72]: SASL PLAI ... show more Mar 28 19:51:23 server postfix/submission/smtpd[2968842]: warning: unknown[140.228.21.72]: SASL PLAIN authentication failed: Mar 28 19:51:29 server postfix/submission/smtpd[2968842]: warning: unknown[140.228.21.72]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Mar 28 19:51:35 server postfix/smtps/smtpd[2968874]: warning: unknown[140.228.21.72]: SASL PLAIN authentication failed: show less	Brute-Force
Anonymous	2026-03-09 20:10:08 (3 months ago)	Unauthorized connection attempt detected in the last 24 hours	Hacking
Anonymous	2026-03-06 20:05:12 (3 months ago)	Unauthorized connection attempt detected in the last 24 hours	Hacking
Anonymous	2026-03-03 20:00:13 (3 months ago)	Unauthorized connection attempt detected in the last 24 hours	Hacking
Anonymous	2026-02-28 19:55:08 (3 months ago)	Unauthorized connection attempt detected in the last 24 hours	Hacking
Anonymous	2026-02-25 19:50:20 (3 months ago)	Unauthorized connection attempt detected in the last 24 hours	Hacking
Anonymous	2026-02-18 22:50:01 (4 months ago)	...	Brute-Force
🇺🇸 bigscoots.com	2026-02-16 00:43:23 (4 months ago)	(smtpauth) Failed SMTP AUTH login from 140.228.21.72 (CA/Canada/-): 5 in the last 3600 secs; Ports: ... show more (smtpauth) Failed SMTP AUTH login from 140.228.21.72 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-02-15 19:42:53 dovecot_plain authenticator failed for H=([10.3.18.182]) [140.228.21.72]:65108: 535 Incorrect authentication data ([email protected]) 2026-02-15 19:42:59 dovecot_login authenticator failed for H=([10.3.18.182]) [140.228.21.72]:65108: 535 Incorrect authentication data ([email protected]) 2026-02-15 19:43:05 dovecot_plain authenticator failed for H=([10.3.18.182]) [140.228.21.72]:52216: 535 Incorrect authentication data ([email protected]) 2026-02-15 19:43:11 dovecot_login authenticator failed for H=([10.3.18.182]) [140.228.21.72]:52216: 535 Incorrect authentication data ([email protected]) 2026-02-15 19:43:19 dovecot_plain authenticator failed for H=([10.3.18.182]) [140.228.21.72]:56262: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇹🇷 rtbh.com.tr	2026-02-11 12:11:30 (4 months ago)	list.rtbh.com.tr report: tcp/0	Brute-Force
🇹🇷 rtbh.com.tr	2026-02-09 20:11:28 (4 months ago)	list.rtbh.com.tr report: tcp/0	Brute-Force
🇪🇸 Nudisco	2026-02-09 09:26:40 (4 months ago)		Brute-Force
🇫🇷 UM3	2026-01-27 19:16:54 (4 months ago)	Exim Auth Failed	Brute-Force

Showing 1 to 15 of 29 reports

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