AbuseIPDB » 51.91.57.66

51.91.57.66 was found in our database!

This IP was reported 1,737 times. Confidence of Abuse is 100%: ?

100%

ISP	OVH SAS
Usage Type	Data Center/Web Hosting/Transit
ASN	AS16276
Hostname(s)	vps-41ac0fd6.vps.ovh.net
Domain Name	ovh.net
Country	France
City	Calais, Hauts-de-France

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

Report 51.91.57.66

Whois 51.91.57.66

IP Abuse Reports for 51.91.57.66:

This IP address has been reported a total of 1,737 times from 600 distinct sources. 51.91.57.66 was first reported on February 23rd 2025, and the most recent report was 2 hours 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 in UTC	Comment	Categories
rtbh.com.tr	2025-03-21 20:48:44 (2 hours ago)	list.rtbh.com.tr report: tcp/0	Brute-Force
rroethof	2025-03-21 12:12:18 (11 hours ago)	2025-03-21T13:12:14.955836+01:00 mx3 sshd[1943832]: pam_unix(sshd:auth): authentication failure; log ... show more2025-03-21T13:12:14.955836+01:00 mx3 sshd[1943832]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.57.66 2025-03-21T13:12:17.140254+01:00 mx3 sshd[1943832]: Failed password for invalid user quaker from 51.91.57.66 port 36300 ssh2 ... show less	Brute-Force SSH
linusjansson.com	2025-03-21 10:43:36 (12 hours ago)	Mar 21 10:38:40 instance-20230219-1606 sshd[3630015]: Invalid user postmaster4 from 51.91.57.66 port ... show moreMar 21 10:38:40 instance-20230219-1606 sshd[3630015]: Invalid user postmaster4 from 51.91.57.66 port 36214 Mar 21 10:38:40 instance-20230219-1606 sshd[3630015]: Disconnected from invalid user postmaster4 51.91.57.66 port 36214 [preauth] Mar 21 10:42:33 instance-20230219-1606 sshd[3630047]: Invalid user asc005 from 51.91.57.66 port 39256 Mar 21 10:42:33 instance-20230219-1606 sshd[3630047]: Disconnected from invalid user asc005 51.91.57.66 port 39256 [preauth] Mar 21 10:43:35 instance-20230219-1606 sshd[3630059]: Invalid user tecnopos from 51.91.57.66 port 44792 ... show less	Brute-Force SSH
makhal.fr	2025-03-21 10:42:43 (12 hours ago)	$f2bV_matches	Brute-Force SSH
Anonymous	2025-03-21 10:08:42 (13 hours ago)	(sshd) Failed SSH login from 51.91.57.66 (FR/France/-): 5 in the last 3600 secs; Ports: ; Direction ... show more(sshd) Failed SSH login from 51.91.57.66 (FR/France/-): 5 in the last 3600 secs; Ports: ; Direction: inout; Trigger: LF_SSHD; Logs: Mar 21 06:06:00 server2 sshd[24471]: Invalid user wei from 51.91.57.66 port 35510 Mar 21 06:06:00 server2 sshd[24471]: Failed password for invalid user wei from 51.91.57.66 port 35510 ssh2 Mar 21 06:07:35 server2 sshd[25151]: Invalid user hanil from 51.91.57.66 port 52086 Mar 21 06:07:35 server2 sshd[25151]: Failed password for invalid user hanil from 51.91.57.66 port 52086 ssh2 Mar 21 06:08:37 server2 sshd[25718]: Invalid user mueller from 51.91.57.66 port 42416 show less	Brute-Force
AzurCrystal	2025-03-21 10:06:18 (13 hours ago)	2025-03-21T18:06:17.603537+08:00 vm95943 sshd[824109]: Invalid user wei from 51.91.57.66 port 57018< ... show more2025-03-21T18:06:17.603537+08:00 vm95943 sshd[824109]: Invalid user wei from 51.91.57.66 port 57018 ... show less	Brute-Force SSH
MU-star.net	2025-03-21 10:00:38 (13 hours ago)	Invalid user joseph from 51.91.57.66 port 40912	Port Scan Brute-Force SSH
Anonymous	2025-03-21 09:49:26 (13 hours ago)	SSH Brute Force Attack	Brute-Force SSH
MU-star.net	2025-03-21 09:34:31 (14 hours ago)	2025-03-21T18:28:38.780558mustar-kr-luna sshd[15552]: Invalid user joseph from 51.91.57.66 port 4091 ... show more2025-03-21T18:28:38.780558mustar-kr-luna sshd[15552]: Invalid user joseph from 51.91.57.66 port 40912 2025-03-21T18:31:26.700024mustar-kr-luna sshd[15954]: Invalid user git from 51.91.57.66 port 60370 2025-03-21T18:32:32.126203mustar-kr-luna sshd[15973]: Invalid user loguser from 51.91.57.66 port 57438 2025-03-21T18:33:32.341074mustar-kr-luna sshd[15991]: Invalid user zlei from 51.91.57.66 port 42216 2025-03-21T18:34:29.636299mustar-kr-luna sshd[16035]: Invalid user warango from 51.91.57.66 port 59000 ... show less	Hacking Brute-Force SSH
mateisr	2025-03-21 09:32:41 (14 hours ago)	Fail2Ban - SSHD brute-force SSH server ...	Brute-Force SSH
robotstxt	2025-03-21 09:32:20 (14 hours ago)	2025-03-21T09:27:39.323826+00:00 ccoo-pdf sshd[1169320]: Invalid user joseph from 51.91.57.66 port 5 ... show more2025-03-21T09:27:39.323826+00:00 ccoo-pdf sshd[1169320]: Invalid user joseph from 51.91.57.66 port 50286 2025-03-21T09:31:13.832973+00:00 ccoo-pdf sshd[1171213]: Invalid user git from 51.91.57.66 port 38646 2025-03-21T09:32:19.664877+00:00 ccoo-pdf sshd[1171741]: Invalid user loguser from 51.91.57.66 port 59442 ... show less	Brute-Force
invalidLuca	2025-03-21 09:29:03 (14 hours ago)	[SSH2] Unauthorized connection attempt from 51.91.57.66	Brute-Force SSH
Infocom	2025-03-21 09:26:02 (14 hours ago)	SSH_Brute-Force	Brute-Force
carlos1001	2025-03-21 08:58:34 (14 hours ago)	2025-03-21T03:55:29.542923 gateway sshd[529333]: pam_unix(sshd:auth): authentication failure; lognam ... show more2025-03-21T03:55:29.542923 gateway sshd[529333]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.57.66 2025-03-21T03:55:31.437514 gateway sshd[529333]: Failed password for invalid user fengyun1 from 51.91.57.66 port 40406 ssh2 2025-03-21T03:56:31.427923 gateway sshd[529340]: Invalid user jenkins from 51.91.57.66 port 47374 2025-03-21T03:56:31.430924 gateway sshd[529340]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.57.66 2025-03-21T03:56:33.505878 gateway sshd[529340]: Failed password for invalid user jenkins from 51.91.57.66 port 47374 ssh2 2025-03-21T03:57:32.001887 gateway sshd[529382]: Invalid user bot from 51.91.57.66 port 36518 2025-03-21T03:57:32.005164 gateway sshd[529382]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.57.66 2025-03-21T03:57:34.456219 gateway sshd[529382]: Failed password for invalid user bot from 51.91.57.66 port 36518 ... show less	Brute-Force SSH
trivox.sh	2025-03-21 08:56:35 (14 hours ago)	Mar 21 08:53:14 lg sshd[99229]: Failed password for invalid user whz from 51.91.57.66 port 55554 ssh ... show moreMar 21 08:53:14 lg sshd[99229]: Failed password for invalid user whz from 51.91.57.66 port 55554 ssh2 Mar 21 08:55:33 lg sshd[99261]: Invalid user fengyun1 from 51.91.57.66 port 54906 Mar 21 08:55:33 lg sshd[99261]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.57.66 Mar 21 08:55:34 lg sshd[99261]: Failed password for invalid user fengyun1 from 51.91.57.66 port 54906 ssh2 Mar 21 08:56:34 lg sshd[99292]: Invalid user jenkins from 51.91.57.66 port 38836 ... show less	Brute-Force SSH