Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: China

Internet Service Provider: Tencent Cloud Computing (Beijing) Co. Ltd.

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackbots
Oct 18 07:43:56 Tower sshd[9949]: Connection from 140.143.53.145 port 43100 on 192.168.10.220 port 22
Oct 18 07:43:58 Tower sshd[9949]: Failed password for root from 140.143.53.145 port 43100 ssh2
Oct 18 07:43:58 Tower sshd[9949]: Received disconnect from 140.143.53.145 port 43100:11: Bye Bye [preauth]
Oct 18 07:43:58 Tower sshd[9949]: Disconnected from authenticating user root 140.143.53.145 port 43100 [preauth]
2019-10-18 20:51:43
attack
ssh failed login
2019-10-11 15:46:40
attackbots
Oct  8 02:43:57 php1 sshd\[9510\]: Invalid user Motdepasse1qaz from 140.143.53.145
Oct  8 02:43:57 php1 sshd\[9510\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Oct  8 02:44:00 php1 sshd\[9510\]: Failed password for invalid user Motdepasse1qaz from 140.143.53.145 port 15633 ssh2
Oct  8 02:49:49 php1 sshd\[10072\]: Invalid user !@qwaszx from 140.143.53.145
Oct  8 02:49:49 php1 sshd\[10072\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
2019-10-08 20:56:38
attackbots
Oct  5 14:22:33 jane sshd[21282]: Failed password for root from 140.143.53.145 port 4682 ssh2
...
2019-10-05 21:17:02
attackbotsspam
Oct  1 06:45:43 server sshd\[28206\]: Invalid user beginner from 140.143.53.145 port 15876
Oct  1 06:45:43 server sshd\[28206\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Oct  1 06:45:45 server sshd\[28206\]: Failed password for invalid user beginner from 140.143.53.145 port 15876 ssh2
Oct  1 06:49:53 server sshd\[3671\]: Invalid user ram from 140.143.53.145 port 51944
Oct  1 06:49:53 server sshd\[3671\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
2019-10-01 16:46:23
attack
2019-09-30T03:52:12.380300abusebot-5.cloudsearch.cf sshd\[2530\]: Invalid user photography from 140.143.53.145 port 23771
2019-09-30 18:10:22
attackspam
Sep 29 22:51:46 ns341937 sshd[27362]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Sep 29 22:51:48 ns341937 sshd[27362]: Failed password for invalid user nagios from 140.143.53.145 port 12557 ssh2
Sep 29 23:07:19 ns341937 sshd[31653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
...
2019-09-30 05:13:00
attackspambots
$f2bV_matches
2019-09-29 22:08:08
attack
Sep 27 20:43:05 s64-1 sshd[14666]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Sep 27 20:43:07 s64-1 sshd[14666]: Failed password for invalid user backup1 from 140.143.53.145 port 34782 ssh2
Sep 27 20:47:39 s64-1 sshd[14749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
...
2019-09-28 03:00:05
attack
Sep  9 00:36:21 ny01 sshd[32372]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Sep  9 00:36:23 ny01 sshd[32372]: Failed password for invalid user jenkins from 140.143.53.145 port 33555 ssh2
Sep  9 00:41:23 ny01 sshd[881]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
2019-09-09 12:56:44
attackbots
Feb 12 16:03:19 vtv3 sshd\[23695\]: Invalid user webmaster from 140.143.53.145 port 8098
Feb 12 16:03:19 vtv3 sshd\[23695\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Feb 12 16:03:21 vtv3 sshd\[23695\]: Failed password for invalid user webmaster from 140.143.53.145 port 8098 ssh2
Feb 12 16:10:41 vtv3 sshd\[26118\]: Invalid user jcseg from 140.143.53.145 port 54562
Feb 12 16:10:41 vtv3 sshd\[26118\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Feb 13 22:39:14 vtv3 sshd\[14554\]: Invalid user student from 140.143.53.145 port 63416
Feb 13 22:39:14 vtv3 sshd\[14554\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Feb 13 22:39:16 vtv3 sshd\[14554\]: Failed password for invalid user student from 140.143.53.145 port 63416 ssh2
Feb 13 22:45:25 vtv3 sshd\[16723\]: Invalid user redhat from 140.143.53.145 port 46079
Feb 13 22:45:25 vtv3
2019-08-21 18:07:13
attackspambots
Aug 13 11:38:27 bouncer sshd\[31787\]: Invalid user test from 140.143.53.145 port 41511
Aug 13 11:38:27 bouncer sshd\[31787\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145 
Aug 13 11:38:30 bouncer sshd\[31787\]: Failed password for invalid user test from 140.143.53.145 port 41511 ssh2
...
2019-08-13 17:58:48
attack
SSH Brute Force, server-1 sshd[14665]: Failed password for invalid user laravel from 140.143.53.145 port 57277 ssh2
2019-07-19 01:37:11
attack
SSH Brute Force, server-1 sshd[12916]: Failed password for invalid user jay from 140.143.53.145 port 53151 ssh2
2019-07-13 10:44:58
attackbotsspam
Jul 12 19:45:58 vibhu-HP-Z238-Microtower-Workstation sshd\[25352\]: Invalid user cinzia from 140.143.53.145
Jul 12 19:45:58 vibhu-HP-Z238-Microtower-Workstation sshd\[25352\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Jul 12 19:46:00 vibhu-HP-Z238-Microtower-Workstation sshd\[25352\]: Failed password for invalid user cinzia from 140.143.53.145 port 63606 ssh2
Jul 12 19:53:13 vibhu-HP-Z238-Microtower-Workstation sshd\[26691\]: Invalid user connie from 140.143.53.145
Jul 12 19:53:13 vibhu-HP-Z238-Microtower-Workstation sshd\[26691\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
...
2019-07-12 22:34:15
attackbots
Jul 12 13:42:23 vibhu-HP-Z238-Microtower-Workstation sshd\[22779\]: Invalid user support from 140.143.53.145
Jul 12 13:42:23 vibhu-HP-Z238-Microtower-Workstation sshd\[22779\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Jul 12 13:42:25 vibhu-HP-Z238-Microtower-Workstation sshd\[22779\]: Failed password for invalid user support from 140.143.53.145 port 18304 ssh2
Jul 12 13:48:44 vibhu-HP-Z238-Microtower-Workstation sshd\[24021\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145  user=root
Jul 12 13:48:46 vibhu-HP-Z238-Microtower-Workstation sshd\[24021\]: Failed password for root from 140.143.53.145 port 11211 ssh2
...
2019-07-12 16:35:06
attack
Jul 12 03:00:00 vibhu-HP-Z238-Microtower-Workstation sshd\[23051\]: Invalid user ftpuser from 140.143.53.145
Jul 12 03:00:00 vibhu-HP-Z238-Microtower-Workstation sshd\[23051\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
Jul 12 03:00:03 vibhu-HP-Z238-Microtower-Workstation sshd\[23051\]: Failed password for invalid user ftpuser from 140.143.53.145 port 60394 ssh2
Jul 12 03:05:46 vibhu-HP-Z238-Microtower-Workstation sshd\[24195\]: Invalid user web3 from 140.143.53.145
Jul 12 03:05:46 vibhu-HP-Z238-Microtower-Workstation sshd\[24195\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145
...
2019-07-12 05:38:01
attack
SSH Brute-Forcing (ownc)
2019-07-07 18:07:22
attackspam
Jul  2 06:14:02 meumeu sshd[5650]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145 
Jul  2 06:14:04 meumeu sshd[5650]: Failed password for invalid user felix from 140.143.53.145 port 9847 ssh2
Jul  2 06:16:45 meumeu sshd[5949]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.53.145 
...
2019-07-02 16:38:13
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 140.143.53.145
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17535
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;140.143.53.145.			IN	A

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019040700 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.3#53(67.207.67.3)
;; WHEN: Sun Apr 07 16:32:52 +08 2019
;; MSG SIZE  rcvd: 118

Host info
Host 145.53.143.140.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.3
Address:	67.207.67.3#53

** server can't find 145.53.143.140.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
203.176.88.244 attackbots
2020-08-20T10:19:03+0200 Failed SSH Authentication/Brute Force Attack.(Server 2)
2020-08-20 18:02:36
120.53.9.188 attack
Unauthorized SSH login attempts
2020-08-20 17:59:22
95.217.116.88 attackbotsspam
29 Attack(s) Detected
[DoS Attack: SYN/ACK Scan] from source: 95.217.116.88, port 50002, Wednesday, August 19, 2020 01:04:54

[DoS Attack: SYN/ACK Scan] from source: 95.217.116.88, port 50002, Wednesday, August 19, 2020 01:04:45

[DoS Attack: SYN/ACK Scan] from source: 95.217.116.88, port 50002, Wednesday, August 19, 2020 00:57:28

[DoS Attack: SYN/ACK Scan] from source: 95.217.116.88, port 50002, Wednesday, August 19, 2020 00:43:52

[DoS Attack: SYN/ACK Scan] from source: 95.217.116.88, port 50002, Wednesday, August 19, 2020 00:43:07

[DoS Attack: SYN/ACK Scan] from source: 95.217.116.88, port 50002, Wednesday, August 19, 2020 00:37:16

[DoS Attack: SYN/ACK Scan] from source: 95.217.116.88, port 50002, Wednesday, August 19, 2020 00:34:25

[DoS Attack: SYN/ACK Scan] from source: 95.217.116.88, port 50002, Wednesday, August 19, 2020 00:27:28

[DoS Attack: SYN/ACK Scan] from source: 95.217.116.88, port 50002, Wednesday, August 19, 2020 00:27:22

[DoS Attack: SYN/ACK Scan] from source: 95.217.
2020-08-20 18:19:00
52.26.225.130 attackspambots
1 Attack(s) Detected
[DoS Attack: Ping Sweep] from source: 52.26.225.130, Tuesday, August 18, 2020 10:19:10
2020-08-20 18:25:22
128.105.145.159 attackspam
50 Attack(s) Detected
[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 05:58:25

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 05:51:06

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 05:18:01

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 04:47:26

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 04:42:40

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 04:33:32

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 04:27:28

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 04:04:50

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 03:56:34

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednesday, August 19, 2020 03:27:52

[DoS Attack: Ping Sweep] from source: 128.105.145.159, Wednes
2020-08-20 18:16:50
45.148.121.137 attackspambots
 TCP (SYN) 45.148.121.137:51480 -> port 443, len 40
2020-08-20 17:51:50
212.170.50.203 attackbots
Aug 20 09:18:38 melroy-server sshd[10288]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.170.50.203 
Aug 20 09:18:40 melroy-server sshd[10288]: Failed password for invalid user clark from 212.170.50.203 port 58900 ssh2
...
2020-08-20 17:58:51
134.175.161.251 attackbots
2020-08-20T09:47:26.004737v22018076590370373 sshd[3006]: Invalid user trading from 134.175.161.251 port 41516
2020-08-20T09:47:26.009724v22018076590370373 sshd[3006]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.161.251
2020-08-20T09:47:26.004737v22018076590370373 sshd[3006]: Invalid user trading from 134.175.161.251 port 41516
2020-08-20T09:47:27.471377v22018076590370373 sshd[3006]: Failed password for invalid user trading from 134.175.161.251 port 41516 ssh2
2020-08-20T09:49:46.612262v22018076590370373 sshd[9261]: Invalid user ywc from 134.175.161.251 port 38910
...
2020-08-20 17:57:51
83.97.20.35 attackspambots
 TCP (SYN) 83.97.20.35:38016 -> port 5560, len 44
2020-08-20 17:47:47
52.46.142.109 attack
5 Attack(s) Detected
[DoS Attack: ACK Scan] from source: 52.46.142.109, port 443, Tuesday, August 18, 2020 10:14:53

[DoS Attack: ACK Scan] from source: 52.46.142.109, port 443, Tuesday, August 18, 2020 10:12:50

[DoS Attack: ACK Scan] from source: 52.46.142.109, port 443, Tuesday, August 18, 2020 10:10:47

[DoS Attack: ACK Scan] from source: 52.46.142.109, port 443, Tuesday, August 18, 2020 10:08:44

[DoS Attack: ACK Scan] from source: 52.46.142.109, port 443, Tuesday, August 18, 2020 10:07:12
2020-08-20 18:25:03
58.33.49.196 attack
Aug 20 11:46:09 meumeu sshd[1061011]: Invalid user jak from 58.33.49.196 port 48710
Aug 20 11:46:09 meumeu sshd[1061011]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.33.49.196 
Aug 20 11:46:09 meumeu sshd[1061011]: Invalid user jak from 58.33.49.196 port 48710
Aug 20 11:46:11 meumeu sshd[1061011]: Failed password for invalid user jak from 58.33.49.196 port 48710 ssh2
Aug 20 11:49:09 meumeu sshd[1061185]: Invalid user kevin from 58.33.49.196 port 39310
Aug 20 11:49:09 meumeu sshd[1061185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.33.49.196 
Aug 20 11:49:09 meumeu sshd[1061185]: Invalid user kevin from 58.33.49.196 port 39310
Aug 20 11:49:11 meumeu sshd[1061185]: Failed password for invalid user kevin from 58.33.49.196 port 39310 ssh2
Aug 20 11:52:03 meumeu sshd[1061284]: Invalid user gama from 58.33.49.196 port 58148
...
2020-08-20 18:02:22
185.220.101.203 attackspam
2020-08-19T23:43:48.076915morrigan.ad5gb.com sshd[692319]: Failed password for root from 185.220.101.203 port 10518 ssh2
2020-08-19T23:43:50.636813morrigan.ad5gb.com sshd[692319]: Failed password for root from 185.220.101.203 port 10518 ssh2
2020-08-20 18:07:33
107.162.160.172 attackbotsspam
Telnet/23 MH Probe, Scan, BF, Hack -
2020-08-20 18:18:30
13.82.66.91 attackspam
[2020-08-20 05:20:41] NOTICE[1185][C-00003a9a] chan_sip.c: Call from '' (13.82.66.91:49906) to extension '+972595806547' rejected because extension not found in context 'public'.
[2020-08-20 05:20:41] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-20T05:20:41.798-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="+972595806547",SessionID="0x7f10c43f67a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/13.82.66.91/49906",ACLName="no_extension_match"
[2020-08-20 05:23:16] NOTICE[1185][C-00003a9e] chan_sip.c: Call from '' (13.82.66.91:62918) to extension '810972595806547' rejected because extension not found in context 'public'.
[2020-08-20 05:23:16] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-20T05:23:16.799-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="810972595806547",SessionID="0x7f10c4245bd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/13.82.66.9
...
2020-08-20 17:49:23
81.196.108.98 attackbotsspam
Unauthorised connection attempt detected at AUO NODE 4. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-08-20 17:59:38

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