JavaScript is disabled. Some features of this site may not work properly. For a smoother experience, please enable JavaScript in your browser settings.

AbuseIPDB » 66.56.81.37

66.56.81.37 was found in our database!

This IP was reported 28 times. Confidence of Abuse is 13%: ?

13%

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 66.56.81.37

Whois 66.56.81.37

IP Abuse Reports for 66.56.81.37:

This IP address has been reported a total of 28 times from 14 distinct sources. 66.56.81.37 was first reported on March 24th 2022, 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
🇫🇮 inlink.ltd	2026-06-22 12:26:21 (2 days ago)	Known malicious PHP file or CMS probe	Web App Attack
🇺🇸 xmission.com	2026-06-04 05:39:39 (2 weeks ago)	Blocked by UFW (TCP on 38126) Source port: 1515 TTL: 53 Packet length: 60 TOS: 0x00 This report (fo ... show more Blocked by UFW (TCP on 38126) Source port: 1515 TTL: 53 Packet length: 60 TOS: 0x00 This report (for 66.56.81.37) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter show less	Port Scan
🇺🇸 bigscoots.com	2026-04-13 00:51:58 (2 months ago)	(smtpauth) Failed SMTP AUTH login from 66.56.81.37 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25 ... show more (smtpauth) Failed SMTP AUTH login from 66.56.81.37 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-12 20:51:29 dovecot_plain authenticator failed for H=([10.5.18.150]) [66.56.81.37]:57054: 535 Incorrect authentication data ([email protected]) 2026-04-12 20:51:35 dovecot_login authenticator failed for H=([10.5.18.150]) [66.56.81.37]:57054: 535 Incorrect authentication data ([email protected]) 2026-04-12 20:51:41 dovecot_plain authenticator failed for H=([10.5.18.150]) [66.56.81.37]:63052: 535 Incorrect authentication data ([email protected]) 2026-04-12 20:51:47 dovecot_login authenticator failed for H=([10.5.18.150]) [66.56.81.37]:63052: 535 Incorrect authentication data ([email protected]) 2026-04-12 20:51:55 dovecot_plain authenticator failed for H=([10.5.18.150]) [66.56.81.37]:17876: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇨🇿 lp	2026-03-21 10:34:13 (3 months ago)	Email account brute force: 6 attempts were recorded from 66.56.81.37 2026-03-21T10:08:45+01:00 warni ... show more Email account brute force: 6 attempts were recorded from 66.56.81.37 2026-03-21T10:08:45+01:00 warning: unknown[66.56.81.37]: SASL PLAIN authentication failed: authentication failure, [email protected] 2026-03-21T10:08:45+01:00 warning: unknown[66.56.81.37]: SASL LOGIN authentication failed: authentication failure, [email protected] 2026-03-21T10:08:47+01:00 warning: unknown[66.56.81.37]: SASL PLAIN authentication failed: authentication failure, [email protected] 2026-03-21T10:08:48+01:00 warning: unknown[66.56.81.37]: SASL LOGIN authentication failed: authentication failure, [email protected] 2026-03-21T10:09:48+01:00 warning: unknown[66.56.81.37]: SASL PLAIN authentication failed: authentication failure, [email protected] 2026-03-21T10:09:49+01:00 warning: unknown[66.56.81.37]: SASL LOGIN authentication failed: authentication failu show less	Brute-Force
🇺🇸 bigscoots.com	2026-03-21 09:10:00 (3 months ago)	(smtpauth) Failed SMTP AUTH login from 66.56.81.37 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25 ... show more (smtpauth) Failed SMTP AUTH login from 66.56.81.37 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-03-21 05:09:27 dovecot_plain authenticator failed for H=([10.5.18.185]) [66.56.81.37]:58890: 535 Incorrect authentication data ([email protected]) 2026-03-21 05:09:33 dovecot_login authenticator failed for H=([10.5.18.185]) [66.56.81.37]:58890: 535 Incorrect authentication data ([email protected]) 2026-03-21 05:09:39 dovecot_plain authenticator failed for H=([10.5.18.185]) [66.56.81.37]:34456: 535 Incorrect authentication data ([email protected]) 2026-03-21 05:09:45 dovecot_login authenticator failed for H=([10.5.18.185]) [66.56.81.37]:34456: 535 Incorrect authentication data ([email protected]) 2026-03-21 05:09:57 dovecot_plain authenticator failed for H=([10.5.18.185]) [66.56.81.37]:11339: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇺🇸 xmission.com	2026-02-13 17:05:48 (4 months ago)	Blocked by UFW (TCP on 42170) Source port: 63011 TTL: 51 Packet length: 60 TOS: 0x08 This report (f ... show more Blocked by UFW (TCP on 42170) Source port: 63011 TTL: 51 Packet length: 60 TOS: 0x08 This report (for 66.56.81.37) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter show less	Port Scan
🇺🇸 xmission.com	2026-01-22 20:26:08 (5 months ago)	Blocked by UFW (TCP on 53166) Source port: 25530 TTL: 52 Packet length: 60 TOS: 0x08 This report (f ... show more Blocked by UFW (TCP on 53166) Source port: 25530 TTL: 52 Packet length: 60 TOS: 0x08 This report (for 66.56.81.37) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter show less	Port Scan
🇺🇸 xmission.com	2025-12-19 22:53:48 (6 months ago)	Blocked by UFW (TCP on 1) Source port: 38375 TTL: 115 Packet length: 52 TOS: 0x08 This report (for ... show more Blocked by UFW (TCP on 1) Source port: 38375 TTL: 115 Packet length: 52 TOS: 0x08 This report (for 66.56.81.37) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter show less	Port Scan
🇫🇮 Ticlem	2025-12-02 02:24:43 (6 months ago)	2025-12-02T02:51:15.110509+01:00 clement-turlure kernel: [1359445.662447] [UFW BLOCK] IN=enp0s31f6 O ... show more 2025-12-02T02:51:15.110509+01:00 clement-turlure kernel: [1359445.662447] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=90:1b:0e:f7:16:fb:d0:07:ca:8d:22:75:08:00 SRC=66.56.81.37 DST=95.216.21.136 LEN=128 TOS=0x00 PREC=0x00 TTL=47 ID=38013 DF PROTO=UDP SPT=7392 DPT=6881 LEN=108 2025-12-02T03:18:15.117145+01:00 clement-turlure kernel: [1361065.666639] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=90:1b:0e:f7:16:fb:d0:07:ca:8d:22:75:08:00 SRC=66.56.81.37 DST=95.216.21.136 LEN=128 TOS=0x00 PREC=0x00 TTL=54 ID=43293 DF PROTO=UDP SPT=4528 DPT=6881 LEN=108 2025-12-02T03:24:43.239272+01:00 clement-turlure kernel: [1361453.788217] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=90:1b:0e:f7:16:fb:d0:07:ca:8d:22:75:08:00 SRC=66.56.81.37 DST=95.216.21.136 LEN=128 TOS=0x00 PREC=0x00 TTL=54 ID=18185 DF PROTO=UDP SPT=23574 DPT=6881 LEN=108 ... show less	Port Scan
Anonymous	2025-11-10 08:05:11 (7 months ago)	Unauthorized connection attempt detected in the last 24 hours	Hacking
Anonymous	2025-11-07 08:00:41 (7 months ago)	Unauthorized connection attempt detected in the last 24 hours	Hacking
Anonymous	2025-11-04 07:55:11 (7 months ago)	Unauthorized connection attempt detected in the last 24 hours	Hacking
Anonymous	2025-10-30 05:23:00 (7 months ago)	Unauthorized connection attempt	Brute-Force
🇺🇸 cfultz	2025-10-08 04:08:58 (8 months ago)	Fail2Ban ban from jail: ufw-portscan	Port Scan
🇺🇸 xmission.com	2025-07-21 21:44:51 (11 months ago)	Blocked by UFW (TCP on 49941) Source port: 55128 TTL: 117 Packet length: 52 TOS: 0x08 This report ( ... show more Blocked by UFW (TCP on 49941) Source port: 55128 TTL: 117 Packet length: 52 TOS: 0x08 This report (for 66.56.81.37) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter show less	Port Scan

Showing 1 to 15 of 28 reports

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown 🚩

Recently Reported IPs:

🇨🇦 158.69.227.40

🇳🇱 45.148.10.152

🇳🇱 45.148.10.147

🇨🇳 223.151.181.237

🇳🇱 91.92.40.176

🇩🇪 69.5.169.27

🇰🇷 59.21.37.60

🇱🇹 45.227.254.170

🇺🇸 44.181.104.248

🇩🇪 44.169.130.106

🇻🇳 171.251.239.151

🇺🇸 147.185.132.111

🇺🇸 44.0.28.98

🇺🇸 3.94.157.25

🇩🇪 213.209.159.242

🇨🇴 200.10.29.235

🇦🇲 178.160.228.254

🇳🇱 167.172.42.229

🇺🇸 52.167.144.159

🇺🇸 44.190.184.241