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AbuseIPDB » 172.245.106.37

172.245.106.37

Recent Activity

62 reports found in our database

36% ▲ ▲ ▲ Elevated

Abuse confidence score ?

ISP

HostPapa

Usage Type

Data Center/Web Hosting/Transit

ASN

AS36352

Hostname(s)

172-245-106-37-host.colocrossing.com

Domain Name

hostpapa.com

Country

🇺🇸 United States of America

City

Buffalo, New York

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IP Abuse Reports for 172.245.106.37:

This IP address has been reported a total of 62 times from 5 distinct sources. 172.245.106.37 was first reported on September 1st 2026, and the most recent report was 9 hours ago. In the last 60 days, the top reporter locations were: United States of America with 51 reports; Indonesia with 9 reports; Brazil with 1 report. The most common categories in these recent reports were: Port Scan 49 times; Brute-Force 13 times.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇺🇸 mnogoweb	2026-09-15 03:29:29 (9 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 21:29:14 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 21:29:14 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 21:29:20 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 21:29:20 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 21:29:26 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-15 01:25:04 (12 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 19:24:47 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 19:24:47 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 19:24:53 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 19:24:53 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 19:24:59 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇮🇩 xveil	2026-09-15 00:57:47 (12 hours ago)	2026-09-15T07:57:45.845677 mail-honeypot postfix/submission/smtpd[3244]: warning: unknown[172.245.10 ... show more 2026-09-15T07:57:45.845677 mail-honeypot postfix/submission/smtpd[3244]: warning: unknown[172.245.106.37]: SASL PLAIN authentication failed: authentication failure ... show less	Brute-Force
🇺🇸 mnogoweb	2026-09-15 00:35:35 (12 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 18:35:22 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 18:35:22 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 18:35:28 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 18:35:28 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 18:35:33 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-15 00:02:16 (13 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 18:01:58 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 18:01:58 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 18:02:05 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 18:02:05 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 18:02:11 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇮🇩 xveil	2026-09-14 21:08:59 (16 hours ago)	2026-09-15T04:08:53.975729 mail-honeypot postfix/submission/smtpd[5056]: warning: unknown[172.245.10 ... show more 2026-09-15T04:08:53.975729 mail-honeypot postfix/submission/smtpd[5056]: warning: unknown[172.245.106.37]: SASL PLAIN authentication failed: authentication failure ... show less	Brute-Force
🇺🇸 mnogoweb	2026-09-14 21:03:44 (16 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 15:02:44 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 15:02:44 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 15:03:33 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 15:03:33 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 15:03:39 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-14 20:47:35 (16 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 14:40:35 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:40:35 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:40:41 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:40:41 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:47:33 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-14 20:24:55 (17 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 14:24:43 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:24:43 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:24:49 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:24:49 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:24:55 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-14 20:03:06 (17 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 14:02:54 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:02:54 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:03:00 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:03:00 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 14:03:06 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-14 19:43:31 (17 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 13:43:12 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:43:12 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:43:19 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:43:19 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:43:26 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-14 19:26:23 (18 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 13:26:07 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:26:07 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:26:13 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:26:13 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:26:19 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-14 19:09:04 (18 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 13:08:50 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:08:50 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:08:55 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:08:55 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 13:09:01 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-14 18:43:01 (18 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 12:42:46 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 12:42:46 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 12:42:53 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 12:42:53 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 12:42:59 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-14 18:20:16 (19 hours ago)	(smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocros ... show more (smtpauth) Failed SMTP AUTH login from 172.245.106.37 (US/United States/172-245-106-37-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-14 12:17:25 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 12:17:26 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 12:20:08 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 12:20:08 login authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) 2026-09-14 12:20:14 plain authenticator failed for ([172.245.106.37]) [172.245.106.37]: 535 Incorrect authentication data ([email protected]) show less	Port Scan

Showing 1 to 15 of 62 reports

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