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AbuseIPDB » 42.51.45.100

42.51.45.100 was found in our database!

This IP was reported 68 times. Confidence of Abuse is 100%: ?

100%

ISP	Henan Telcom Union Technology Co., LTD
Usage Type	Data Center/Web Hosting/Transit
ASN	AS56005
Domain Name	htu.cc
Country	🇨🇳 China
City	Zhengzhou, Henan

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

Report 42.51.45.100

Whois 42.51.45.100

IP Abuse Reports for 42.51.45.100:

This IP address has been reported a total of 68 times from 55 distinct sources. 42.51.45.100 was first reported on July 2nd 2026, and the most recent report was 1 hour 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
Anonymous	2026-07-14 20:16:17 (1 hour ago)	Knocking on port 22 (endlessh-go)	SSH
🇸🇬 kipfel★	2026-07-14 17:00:28 (4 hours ago)	2026-07-15T01:00:20.683480+08:00 lw-vm-v1-sgp sshd[1590411]: Failed password for root from 42.51.45. ... show more 2026-07-15T01:00:20.683480+08:00 lw-vm-v1-sgp sshd[1590411]: Failed password for root from 42.51.45.100 port 52950 ssh2 2026-07-15T01:00:25.426908+08:00 lw-vm-v1-sgp sshd[1590511]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root 2026-07-15T01:00:26.992400+08:00 lw-vm-v1-sgp sshd[1590511]: Failed password for root from 42.51.45.100 port 52966 ssh2 ... show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-07-14 15:46:06 (6 hours ago)	(sshd) Failed SSH login from 42.51.45.100 (CN/China/-): 5 in the last 3600 secs; Ports: ; Direction ... show more (sshd) Failed SSH login from 42.51.45.100 (CN/China/-): 5 in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_SSHD; Logs: Jul 14 10:45:35 15261 sshd[24964]: Did not receive identification string from 42.51.45.100 port 52584 Jul 14 10:45:38 15261 sshd[24965]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 14 10:45:40 15261 sshd[24965]: Failed password for root from 42.51.45.100 port 52600 ssh2 Jul 14 10:45:41 15261 sshd[24972]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 14 10:45:44 15261 sshd[24972]: Failed password for root from 42.51.45.100 port 52614 ssh2 show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-07-14 10:48:01 (11 hours ago)	42.51.45.100 (CN/China/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports ... show more 42.51.45.100 (CN/China/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jul 14 04:58:14 14418 sshd[25151]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 14 04:58:15 14418 sshd[25151]: Failed password for root from 42.51.45.100 port 60388 ssh2 Jul 14 05:47:30 14418 sshd[22859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.59.124.235 user=root Jul 14 05:47:32 14418 sshd[22859]: Failed password for root from 151.59.124.235 port 47584 ssh2 Jul 14 04:54:17 14418 sshd[22470]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.59.126.255 user=root IP Addresses Blocked: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-07-14 02:55:42 (19 hours ago)	(sshd) Failed SSH login from 42.51.45.100 (CN/China/-): 5 in the last 3600 secs; Ports: ; Direction ... show more (sshd) Failed SSH login from 42.51.45.100 (CN/China/-): 5 in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_SSHD; Logs: Jul 13 21:55:10 15541 sshd[10347]: Did not receive identification string from 42.51.45.100 port 56188 Jul 13 21:55:12 15541 sshd[10348]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 13 21:55:14 15541 sshd[10348]: Failed password for root from 42.51.45.100 port 56204 ssh2 Jul 13 21:55:18 15541 sshd[10395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 13 21:55:20 15541 sshd[10395]: Failed password for root from 42.51.45.100 port 46512 ssh2 show less	Brute-Force SSH
🇩🇪 yakakliker.org	2026-07-14 01:08:43 (20 hours ago)	2026-07-14T01:08:36.889641+00:00 ZT1 sshd[3878581]: Failed password for root from 42.51.45.100 port ... show more 2026-07-14T01:08:36.889641+00:00 ZT1 sshd[3878581]: Failed password for root from 42.51.45.100 port 55150 ssh2 2026-07-14T01:08:40.386070+00:00 ZT1 sshd[3879055]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root 2026-07-14T01:08:42.098560+00:00 ZT1 sshd[3879055]: Failed password for root from 42.51.45.100 port 45498 ssh2 ... show less	Brute-Force
🇫🇷 tecnicorioja	2026-07-13 22:45:13 (23 hours ago)	Failed password for root Jul 13 22:08:55 port 45128	Brute-Force SSH
🇳🇱 THYRAKLES_EINZELUNTERNEHMEN_NOAH_FINLEY WOLF	2026-07-13 20:44:26 (1 day ago)	systemd timer sync; source=sshd host=ns2 ip=42.51.45.100; evidence=fail2ban log NOTICE Ban event	Brute-Force SSH
🇳🇱 trivox.sh	2026-07-13 19:31:52 (1 day ago)	Jul 13 19:31:39 TV-DB1-R630-13 sshd[894396]: Failed password for root from 42.51.45.100 port 53450 s ... show more Jul 13 19:31:39 TV-DB1-R630-13 sshd[894396]: Failed password for root from 42.51.45.100 port 53450 ssh2 Jul 13 19:31:43 TV-DB1-R630-13 sshd[894398]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 13 19:31:46 TV-DB1-R630-13 sshd[894398]: Failed password for root from 42.51.45.100 port 53466 ssh2 Jul 13 19:31:50 TV-DB1-R630-13 sshd[894400]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 13 19:31:51 TV-DB1-R630-13 sshd[894400]: Failed password for root from 42.51.45.100 port 35008 ssh2 ... show less	Brute-Force SSH
🇳🇱 THYRAKLES_EINZELUNTERNEHMEN_NOAH_FINLEY WOLF	2026-07-13 10:44:26 (1 day ago)	systemd timer sync; fail2ban jail=sshd host=tk ip=42.51.45.100; evidence=fail2ban log NOTICE Ban eve ... show more systemd timer sync; fail2ban jail=sshd host=tk ip=42.51.45.100; evidence=fail2ban log NOTICE Ban event show less	Brute-Force SSH
🇩🇪 30p87	2026-07-13 00:49:02 (1 day ago)	2026-07-13T02:49:02.324803+02:00 30p87-server sshd-session[2933034]: Connection closed by 42.51.45.1 ... show more 2026-07-13T02:49:02.324803+02:00 30p87-server sshd-session[2933034]: Connection closed by 42.51.45.100 port 41134 [preauth] ... show less	Brute-Force SSH
🇧🇷 ufn.edu.br	2026-07-12 22:13:48 (1 day ago)	Jul 12 19:13:40 wslbvm01 sshd[1886796]: Failed password for root from 42.51.45.100 port 57662 ssh2 J ... show more Jul 12 19:13:40 wslbvm01 sshd[1886796]: Failed password for root from 42.51.45.100 port 57662 ssh2 Jul 12 19:13:44 wslbvm01 sshd[1886823]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 12 19:13:46 wslbvm01 sshd[1886823]: Failed password for root from 42.51.45.100 port 57678 ssh2 ... show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-07-12 22:11:13 (1 day ago)	42.51.45.100 (CN/China/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports ... show more 42.51.45.100 (CN/China/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jul 12 17:10:57 14140 sshd[14193]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 12 17:10:59 14140 sshd[14193]: Failed password for root from 42.51.45.100 port 59398 ssh2 Jul 12 17:11:01 14140 sshd[14198]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 12 16:53:34 14140 sshd[4621]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.29.26.195 user=root Jul 12 16:53:36 14140 sshd[4621]: Failed password for root from 46.29.26.195 port 5294 ssh2 IP Addresses Blocked: show less	Brute-Force SSH
🇺🇸 ezscale	2026-07-12 22:10:33 (1 day ago)	SSH brute force on cp.vps.ezscale.tech (3 failures). Detected by fail2ban.	Brute-Force SSH
🇺🇸 bigscoots.com	2026-07-12 11:51:21 (2 days ago)	(sshd) Failed SSH login from 42.51.45.100 (CN/China/-): 5 in the last 3600 secs; Ports: ; Direction ... show more (sshd) Failed SSH login from 42.51.45.100 (CN/China/-): 5 in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_SSHD; Logs: Jul 12 06:50:54 15488 sshd[16399]: Did not receive identification string from 42.51.45.100 port 40746 Jul 12 06:50:58 15488 sshd[16400]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 12 06:51:00 15488 sshd[16400]: Failed password for root from 42.51.45.100 port 38604 ssh2 Jul 12 06:51:02 15488 sshd[16402]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.45.100 user=root Jul 12 06:51:05 15488 sshd[16402]: Failed password for root from 42.51.45.100 port 38608 ssh2 show less	Brute-Force SSH

Showing 1 to 15 of 68 reports

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