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: Shanghai Haojin Technology Development Co. Ltd.

Hostname: unknown

Organization: unknown

Usage Type: Commercial

Comments:
Type Details Datetime
attack
Dec 23 16:37:59 our-server-hostname postfix/smtpd[29275]: connect from unknown[103.242.168.20]
Dec x@x
Dec x@x
Dec x@x
Dec x@x
Dec x@x
Dec x@x
Dec x@x
Dec x@x
Dec x@x
Dec x@x


........
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https://www.blocklist.de/en/view.html?ip=103.242.168.20
2019-12-23 17:18:50
Comments on same subnet:
IP Type Details Datetime
103.242.168.14 attackspambots
2020-08-19T03:53:33.599584randservbullet-proofcloud-66.localdomain sshd[3842]: Invalid user nagios from 103.242.168.14 port 47160
2020-08-19T03:53:33.606851randservbullet-proofcloud-66.localdomain sshd[3842]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.168.14
2020-08-19T03:53:33.599584randservbullet-proofcloud-66.localdomain sshd[3842]: Invalid user nagios from 103.242.168.14 port 47160
2020-08-19T03:53:35.702157randservbullet-proofcloud-66.localdomain sshd[3842]: Failed password for invalid user nagios from 103.242.168.14 port 47160 ssh2
...
2020-08-19 14:37:01
103.242.168.14 attack
Ssh brute force
2020-08-19 08:58:33
103.242.168.4 attackbots
Unauthorized connection attempt detected from IP address 103.242.168.4 to port 445 [T]
2020-08-16 20:08:15
103.242.168.14 attack
Aug 14 03:41:49 IngegnereFirenze sshd[9547]: User root from 103.242.168.14 not allowed because not listed in AllowUsers
...
2020-08-14 12:52:42
103.242.168.14 attack
Aug 11 07:17:16 home sshd[1840741]: Failed password for root from 103.242.168.14 port 57564 ssh2
Aug 11 07:19:03 home sshd[1841369]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.168.14  user=root
Aug 11 07:19:05 home sshd[1841369]: Failed password for root from 103.242.168.14 port 38001 ssh2
Aug 11 07:20:52 home sshd[1841841]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.168.14  user=root
Aug 11 07:20:54 home sshd[1841841]: Failed password for root from 103.242.168.14 port 46671 ssh2
...
2020-08-11 13:35:51
103.242.168.14 attackbots
Aug 10 15:10:03 ip40 sshd[24235]: Failed password for root from 103.242.168.14 port 40503 ssh2
...
2020-08-10 21:35:37
103.242.168.14 attackspam
Banned for a week because repeated abuses, for example SSH, but not only
2020-08-05 04:29:33
103.242.168.4 attackspambots
Unauthorized connection attempt from IP address 103.242.168.4 on Port 445(SMB)
2020-07-14 21:54:39
103.242.168.14 attack
Jul  3 19:59:25 webhost01 sshd[27554]: Failed password for root from 103.242.168.14 port 58512 ssh2
Jul  3 20:03:31 webhost01 sshd[27600]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.168.14
...
2020-07-03 22:05:10
103.242.168.14 attackspambots
Multiple SSH authentication failures from 103.242.168.14
2020-07-01 14:16:20
103.242.168.14 attack
Jun  4 13:54:33 server770 sshd[29265]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.168.14  user=r.r
Jun  4 13:54:35 server770 sshd[29265]: Failed password for r.r from 103.242.168.14 port 38759 ssh2
Jun  4 13:54:36 server770 sshd[29265]: Received disconnect from 103.242.168.14 port 38759:11: Bye Bye [preauth]
Jun  4 13:54:36 server770 sshd[29265]: Disconnected from 103.242.168.14 port 38759 [preauth]
Jun  4 14:00:26 server770 sshd[29357]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.168.14  user=r.r


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=103.242.168.14
2020-06-05 00:26:03
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 103.242.168.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17187
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			578	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019122300 1800 900 604800 86400

;; Query time: 178 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Dec 23 17:18:45 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 20.168.242.103.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 20.168.242.103.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
141.98.10.198 attackspambots
5x Failed Password
2020-08-11 04:06:01
211.80.102.182 attackbots
Aug 10 16:38:11 vps1 sshd[11679]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.80.102.182 
Aug 10 16:38:12 vps1 sshd[11679]: Failed password for invalid user Parisa from 211.80.102.182 port 3539 ssh2
Aug 10 16:41:26 vps1 sshd[11744]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.80.102.182 
Aug 10 16:41:28 vps1 sshd[11744]: Failed password for invalid user qwerasdf147 from 211.80.102.182 port 28412 ssh2
Aug 10 16:44:44 vps1 sshd[11780]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.80.102.182 
Aug 10 16:44:47 vps1 sshd[11780]: Failed password for invalid user 1qaz@4rfv from 211.80.102.182 port 37408 ssh2
...
2020-08-11 04:13:46
218.92.0.165 attackbotsspam
Aug 10 16:47:16 vps46666688 sshd[13210]: Failed password for root from 218.92.0.165 port 36981 ssh2
Aug 10 16:47:20 vps46666688 sshd[13210]: Failed password for root from 218.92.0.165 port 36981 ssh2
...
2020-08-11 04:00:26
180.76.242.171 attackspambots
detected by Fail2Ban
2020-08-11 04:30:52
46.41.101.97 attackspam
Unauthorized connection attempt from IP address 46.41.101.97 on Port 445(SMB)
2020-08-11 04:23:23
190.207.115.5 attackspam
Unauthorized connection attempt from IP address 190.207.115.5 on Port 445(SMB)
2020-08-11 04:03:33
105.112.121.56 attackbots
Unauthorized connection attempt from IP address 105.112.121.56 on Port 445(SMB)
2020-08-11 04:01:02
200.29.105.12 attack
Bruteforce detected by fail2ban
2020-08-11 04:26:06
192.99.210.162 attack
SSH brute-force attempt
2020-08-11 04:05:03
161.132.174.86 attack
Unauthorized connection attempt from IP address 161.132.174.86 on Port 445(SMB)
2020-08-11 04:14:26
93.87.129.179 attackbotsspam
1597060843 - 08/10/2020 14:00:43 Host: 93.87.129.179/93.87.129.179 Port: 445 TCP Blocked
2020-08-11 04:06:55
111.229.96.67 attackspam
Aug 10 18:01:25 inter-technics sshd[6803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.96.67  user=root
Aug 10 18:01:27 inter-technics sshd[6803]: Failed password for root from 111.229.96.67 port 55012 ssh2
Aug 10 18:05:06 inter-technics sshd[7001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.96.67  user=root
Aug 10 18:05:08 inter-technics sshd[7001]: Failed password for root from 111.229.96.67 port 36570 ssh2
Aug 10 18:08:50 inter-technics sshd[7275]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.96.67  user=root
Aug 10 18:08:51 inter-technics sshd[7275]: Failed password for root from 111.229.96.67 port 46364 ssh2
...
2020-08-11 04:28:23
72.167.224.135 attackspambots
Aug 10 18:50:02 server sshd[62033]: Failed password for root from 72.167.224.135 port 37264 ssh2
Aug 10 18:54:17 server sshd[63461]: Failed password for root from 72.167.224.135 port 48256 ssh2
Aug 10 18:58:23 server sshd[64790]: Failed password for root from 72.167.224.135 port 59244 ssh2
2020-08-11 03:55:32
152.32.229.70 attackspambots
Banned for a week because repeated abuses, for example SSH, but not only
2020-08-11 04:16:11
35.230.162.59 attackspam
10.08.2020 17:12:03 - Wordpress fail 
Detected by ELinOX-ALM
2020-08-11 04:10:57

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