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: Korea (the Republic of)

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.142.103.53
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8387
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.142.103.53.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020500 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 15:33:47 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 53.103.142.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 53.103.142.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
188.165.51.56 attack
"fail2ban match"
2020-08-01 16:08:35
103.69.68.6 attack
2020-08-01T03:49:30.376268vps1033 sshd[11049]: Failed password for root from 103.69.68.6 port 37941 ssh2
2020-08-01T03:51:41.146942vps1033 sshd[15822]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.69.68.6  user=root
2020-08-01T03:51:43.327248vps1033 sshd[15822]: Failed password for root from 103.69.68.6 port 35623 ssh2
2020-08-01T03:52:45.708636vps1033 sshd[18010]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.69.68.6  user=root
2020-08-01T03:52:47.342605vps1033 sshd[18010]: Failed password for root from 103.69.68.6 port 34482 ssh2
...
2020-08-01 16:00:30
123.31.26.144 attackspambots
Aug  1 08:30:53 pornomens sshd\[8171\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.31.26.144  user=root
Aug  1 08:30:55 pornomens sshd\[8171\]: Failed password for root from 123.31.26.144 port 57537 ssh2
Aug  1 08:35:01 pornomens sshd\[8197\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.31.26.144  user=root
...
2020-08-01 16:12:03
51.38.128.30 attackspam
Aug  1 10:01:18 vpn01 sshd[3881]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.128.30
Aug  1 10:01:21 vpn01 sshd[3881]: Failed password for invalid user !qazxsw@#edcvfr$ from 51.38.128.30 port 51050 ssh2
...
2020-08-01 16:05:45
31.125.100.24 attack
Aug  1 06:51:04 buvik sshd[30770]: Failed password for root from 31.125.100.24 port 41666 ssh2
Aug  1 06:55:17 buvik sshd[31403]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.125.100.24  user=root
Aug  1 06:55:19 buvik sshd[31403]: Failed password for root from 31.125.100.24 port 55244 ssh2
...
2020-08-01 16:22:00
112.85.42.229 attack
Aug  1 10:02:01 abendstille sshd\[1800\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.229  user=root
Aug  1 10:02:03 abendstille sshd\[1800\]: Failed password for root from 112.85.42.229 port 50517 ssh2
Aug  1 10:02:05 abendstille sshd\[1866\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.229  user=root
Aug  1 10:02:05 abendstille sshd\[1800\]: Failed password for root from 112.85.42.229 port 50517 ssh2
Aug  1 10:02:07 abendstille sshd\[1866\]: Failed password for root from 112.85.42.229 port 42619 ssh2
...
2020-08-01 16:12:59
114.199.112.138 attackbotsspam
114.199.112.138 - - [01/Aug/2020:04:51:32 +0100] "POST /wp-login.php HTTP/1.1" 200 6326 "http://emresolutions.com/wp-login.php" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
114.199.112.138 - - [01/Aug/2020:04:51:33 +0100] "POST /wp-login.php HTTP/1.1" 200 6319 "http://emresolutions.com/wp-login.php" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
114.199.112.138 - - [01/Aug/2020:04:51:34 +0100] "POST /wp-login.php HTTP/1.1" 200 6326 "http://emresolutions.com/wp-login.php" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
...
2020-08-01 16:40:31
49.88.112.117 attackspambots
Aug  1 00:49:57 ws12vmsma01 sshd[37600]: Failed password for root from 49.88.112.117 port 14529 ssh2
Aug  1 00:49:59 ws12vmsma01 sshd[37600]: Failed password for root from 49.88.112.117 port 14529 ssh2
Aug  1 00:50:01 ws12vmsma01 sshd[37600]: Failed password for root from 49.88.112.117 port 14529 ssh2
...
2020-08-01 16:37:52
122.228.19.79 attackspam
 TCP (SYN) 122.228.19.79:50724 -> port 8080, len 44
2020-08-01 16:42:24
129.204.173.194 attackspambots
Aug  1 10:46:53 webhost01 sshd[4996]: Failed password for root from 129.204.173.194 port 60474 ssh2
...
2020-08-01 16:14:02
49.233.10.41 attackbotsspam
Invalid user gh from 49.233.10.41 port 34788
2020-08-01 16:16:15
23.19.32.117 attackspam
Brute-force general attack.
2020-08-01 16:17:03
112.95.225.158 attackspambots
Invalid user re from 112.95.225.158 port 44081
2020-08-01 16:34:04
51.81.34.227 attackspam
Aug  1 06:56:28 ns381471 sshd[26292]: Failed password for root from 51.81.34.227 port 45574 ssh2
2020-08-01 16:36:10
221.164.31.44 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-08-01 16:26:01

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