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AbuseIPDB » 66.56.80.78

66.56.80.78 was found in our database!

This IP was reported 38 times. Confidence of Abuse is 28%: ?

28%

ISP	VPN Consumer Toronto, Canada
Usage Type	Data Center/Web Hosting/Transit
ASN	AS212238
Domain Name	vpnconsumer.com
Country	🇨🇦 Canada
City	Toronto, Ontario

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

Report 66.56.80.78

Whois 66.56.80.78

IP Abuse Reports for 66.56.80.78:

This IP address has been reported a total of 38 times from 28 distinct sources. 66.56.80.78 was first reported on July 25th 2025, 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
🇬🇧 Hobby Bob	2026-05-05 00:53:22 (1 month ago)	May 5 01:53:22 mail postfix/submission/smtpd[588924]: warning: unknown[66.56.80.78]: SASL PLAIN auth ... show more May 5 01:53:22 mail postfix/submission/smtpd[588924]: warning: unknown[66.56.80.78]: SASL PLAIN authentication failed: show less	Hacking Brute-Force
🇺🇸 DiodeDave	2026-05-05 00:25:20 (1 month ago)	Attempted access after blacklisting	Email Spam
🇺🇸 bigscoots.com	2026-05-04 22:11:32 (1 month ago)	(smtpauth) Failed SMTP AUTH login from 66.56.80.78 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25 ... show more (smtpauth) Failed SMTP AUTH login from 66.56.80.78 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-04 18:10:54 dovecot_plain authenticator failed for H=([10.15.18.70]) [66.56.80.78]:42560: 535 Incorrect authentication data ([email protected]) 2026-05-04 18:11:00 dovecot_login authenticator failed for H=([10.15.18.70]) [66.56.80.78]:42560: 535 Incorrect authentication data ([email protected]) 2026-05-04 18:11:06 dovecot_plain authenticator failed for H=([10.15.18.70]) [66.56.80.78]:9172: 535 Incorrect authentication data ([email protected]) 2026-05-04 18:11:13 dovecot_login authenticator failed for H=([10.15.18.70]) [66.56.80.78]:9172: 535 Incorrect authentication data ([email protected]) 2026-05-04 18:11:27 dovecot_plain authenticator failed for H=([10.15.18.70]) [66.56.80.78]:49985: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-05-04 20:56:57 (1 month ago)	(smtpauth) Failed SMTP AUTH login from 66.56.80.78 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25 ... show more (smtpauth) Failed SMTP AUTH login from 66.56.80.78 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-04 16:56:30 dovecot_plain authenticator failed for H=([10.15.18.70]) [66.56.80.78]:61837: 535 Incorrect authentication data ([email protected]) 2026-05-04 16:56:36 dovecot_login authenticator failed for H=([10.15.18.70]) [66.56.80.78]:61837: 535 Incorrect authentication data ([email protected]) 2026-05-04 16:56:42 dovecot_plain authenticator failed for H=([10.15.18.70]) [66.56.80.78]:7892: 535 Incorrect authentication data ([email protected]) 2026-05-04 16:56:48 dovecot_login authenticator failed for H=([10.15.18.70]) [66.56.80.78]:7892: 535 Incorrect authentication data ([email protected]) 2026-05-04 16:56:57 dovecot_plain authenticator failed for H=([10.15.18.70]) [66.56.80.78]:9179: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇮🇩 xveil	2026-05-04 19:14:40 (1 month ago)	2026-05-05T02:14:35.644023 mail-honeypot postfix/submission/smtpd[29430]: warning: unknown[66.56.80. ... show more 2026-05-05T02:14:35.644023 mail-honeypot postfix/submission/smtpd[29430]: warning: unknown[66.56.80.78]: SASL PLAIN authentication failed: authentication failure ... show less	Brute-Force
Anonymous	2026-05-04 19:12:30 (1 month ago)	May 4 19:12:09 m postfix/submission/smtpd[4124473]: warning: unknown[66.56.80.78]: SASL PLAIN authe ... show more May 4 19:12:09 m postfix/submission/smtpd[4124473]: warning: unknown[66.56.80.78]: SASL PLAIN authentication failed: authentication failure May 4 19:12:09 m postfix/submission/smtpd[4124473]: warning: unknown[66.56.80.78]: SASL LOGIN authentication failed: authentication failure May 4 19:12:11 m postfix/smtps/smtpd[4124528]: warning: unknown[66.56.80.78]: SASL PLAIN authentication failed: authentication failure May 4 19:12:12 m postfix/smtps/smtpd[4124528]: warning: unknown[66.56.80.78]: SASL LOGIN authentication failed: authentication failure May 4 19:12:26 m postfix/submission/smtpd[4124473]: warning: unknown[66.56.80.78]: SASL PLAIN authentication failed: authentication failure May 4 19:12:26 m postfix/submission/smtpd[4124473]: warning: unknown[66.56.80.78]: SASL LOGIN authentication failed: authentication failure May 4 19:12:28 m postfix/smtps/smtpd[4124755]: warning: unknown[66.56.80.78]: SASL PLAIN authentication failed: authentication failure May 4 19:12:29 m postfix/sm ... show less	Brute-Force
Anonymous	2026-05-04 18:41:58 (1 month ago)	(smtpauth) Failed SMTP AUTH login from 66.56.80.78 (CA/Canada/-)	Brute-Force
Anonymous	2026-05-04 18:26:32 (1 month ago)	9x Postfix SASL LOGIN authentication failed	Brute-Force
🇵🇱 zmb.pl	2026-05-04 15:43:36 (1 month ago)	May 4 17:43:21 srv3 postfix/submission/smtpd\[19413\]: warning: unknown\[66.56.80.78\]: SASL PLAIN ... show more May 4 17:43:21 srv3 postfix/submission/smtpd\[19413\]: warning: unknown\[66.56.80.78\]: SASL PLAIN authentication failed: May 4 17:43:28 srv3 postfix/submission/smtpd\[19413\]: warning: unknown\[66.56.80.78\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 4 17:43:35 srv3 postfix/smtps/smtpd\[19127\]: warning: unknown\[66.56.80.78\]: SASL PLAIN authentication failed: ... show less	Email Spam
🇩🇪 FeG Deutschland	2026-05-04 15:18:07 (1 month ago)	Mail: - login with unknown user - bruteforce	Brute-Force
🇺🇸 interbiznw.com	2026-05-04 15:15:55 (1 month ago)	smtp-bruteforce	Port Scan Hacking Spoofing Brute-Force Exploited Host
🇦🇺 jalim	2026-05-04 15:14:21 (1 month ago)	Fail2Ban (11cc81a08e1b): 3 attempts from 66.56.80.78 triggered postfix-sasl jail. Ban time: 3600s. A ... show more Fail2Ban (11cc81a08e1b): 3 attempts from 66.56.80.78 triggered postfix-sasl jail. Ban time: 3600s. Attack patterns detected in mail server logs. show less	Brute-Force
🇺🇸 bigscoots.com	2026-05-04 15:05:35 (1 month ago)	(smtpauth) Failed SMTP AUTH login from 66.56.80.78 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25 ... show more (smtpauth) Failed SMTP AUTH login from 66.56.80.78 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-04 11:05:05 dovecot_plain authenticator failed for H=([10.15.18.70]) [66.56.80.78]:5565: 535 Incorrect authentication data ([email protected]) 2026-05-04 11:05:11 dovecot_login authenticator failed for H=([10.15.18.70]) [66.56.80.78]:5565: 535 Incorrect authentication data ([email protected]) 2026-05-04 11:05:17 dovecot_plain authenticator failed for H=([10.15.18.70]) [66.56.80.78]:22727: 535 Incorrect authentication data ([email protected]) 2026-05-04 11:05:23 dovecot_login authenticator failed for H=([10.15.18.70]) [66.56.80.78]:22727: 535 Incorrect authentication data ([email protected]) 2026-05-04 11:05:34 dovecot_plain authenticator failed for H=([10.15.18.70]) [66.56.80.78]:40677: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
Anonymous	2026-05-04 00:49:02 (1 month ago)	...	Brute-Force
🇩🇪 2and.de	2026-05-04 00:32:56 (1 month ago)	May 4 02:32:49 virtcc postfix/smtpd\[533150\]: warning: unknown\[66.56.80.78\]: SASL PLAIN authenti ... show more May 4 02:32:49 virtcc postfix/smtpd\[533150\]: warning: unknown\[66.56.80.78\]: SASL PLAIN authentication failed: authentication failure May 4 02:32:51 virtcc postfix/smtpd\[533150\]: warning: unknown\[66.56.80.78\]: SASL LOGIN authentication failed: authentication failure May 4 02:32:55 virtcc postfix/smtpd\[533152\]: warning: unknown\[66.56.80.78\]: SASL PLAIN authentication failed: authentication failure ... show less	Brute-Force Exploited Host

Showing 1 to 15 of 38 reports

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