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: United States of America (the)

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 <<>> 4.21.142.37
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35776
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;4.21.142.37.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021900 1800 900 604800 86400

;; Query time: 68 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 19 16:54:58 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 37.142.21.4.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 37.142.21.4.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
89.36.223.227 attackspam
Apr  8 15:48:25 karger postfix/smtpd[7410]: warning: unknown[89.36.223.227]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  8 17:37:43 karger postfix/smtpd[3151]: warning: unknown[89.36.223.227]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  8 17:39:17 karger postfix/smtpd[3151]: warning: unknown[89.36.223.227]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-04-08 23:50:24
208.64.33.107 attackbots
SSH Brute-Forcing (server1)
2020-04-09 00:23:45
101.91.160.243 attackbots
leo_www
2020-04-09 00:17:53
47.103.155.47 attack
2020-04-08T14:38:46.806692vt2.awoom.xyz sshd[5733]: Invalid user teamspeak3 from 47.103.155.47 port 59086
2020-04-08T14:38:46.809736vt2.awoom.xyz sshd[5733]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=47.103.155.47
2020-04-08T14:38:46.806692vt2.awoom.xyz sshd[5733]: Invalid user teamspeak3 from 47.103.155.47 port 59086
2020-04-08T14:38:48.803144vt2.awoom.xyz sshd[5733]: Failed password for invalid user teamspeak3 from 47.103.155.47 port 59086 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=47.103.155.47
2020-04-08 23:51:56
49.231.197.17 attackspambots
Apr  8 16:45:43 vpn01 sshd[18785]: Failed password for root from 49.231.197.17 port 46376 ssh2
...
2020-04-08 23:16:59
52.183.137.42 attackbots
Apr  8 12:05:53 saengerschafter sshd[26733]: Invalid user ubuntu from 52.183.137.42
Apr  8 12:05:53 saengerschafter sshd[26733]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.183.137.42 
Apr  8 12:05:55 saengerschafter sshd[26733]: Failed password for invalid user ubuntu from 52.183.137.42 port 43680 ssh2
Apr  8 12:05:55 saengerschafter sshd[26733]: Received disconnect from 52.183.137.42: 11: Bye Bye [preauth]
Apr  8 12:13:16 saengerschafter sshd[27174]: Invalid user manuel from 52.183.137.42
Apr  8 12:13:16 saengerschafter sshd[27174]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.183.137.42 
Apr  8 12:13:18 saengerschafter sshd[27174]: Failed password for invalid user manuel from 52.183.137.42 port 39748 ssh2
Apr  8 12:13:18 saengerschafter sshd[27174]: Received disconnect from 52.183.137.42: 11: Bye Bye [preauth]
Apr  8 12:17:02 saengerschafter sshd[27324]: Invalid user sinusbot........
-------------------------------
2020-04-09 00:28:37
222.186.190.14 attackspambots
Unauthorized connection attempt detected from IP address 222.186.190.14 to port 22
2020-04-09 00:10:11
157.230.127.240 attack
2020-04-08T13:20:56.165735shield sshd\[15072\]: Invalid user admin from 157.230.127.240 port 54034
2020-04-08T13:20:56.169312shield sshd\[15072\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.127.240
2020-04-08T13:20:58.152583shield sshd\[15072\]: Failed password for invalid user admin from 157.230.127.240 port 54034 ssh2
2020-04-08T13:24:37.205255shield sshd\[16319\]: Invalid user ubuntu from 157.230.127.240 port 35580
2020-04-08T13:24:37.209530shield sshd\[16319\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.127.240
2020-04-08 23:29:16
159.65.131.92 attackspambots
Apr  8 15:51:02 vps sshd[420911]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.131.92
Apr  8 15:51:05 vps sshd[420911]: Failed password for invalid user postgres from 159.65.131.92 port 51152 ssh2
Apr  8 15:53:59 vps sshd[435667]: Invalid user test from 159.65.131.92 port 39584
Apr  8 15:53:59 vps sshd[435667]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.131.92
Apr  8 15:54:01 vps sshd[435667]: Failed password for invalid user test from 159.65.131.92 port 39584 ssh2
...
2020-04-08 23:39:18
138.255.148.35 attack
Apr  8 17:13:21 srv-ubuntu-dev3 sshd[27940]: Invalid user deploy from 138.255.148.35
Apr  8 17:13:21 srv-ubuntu-dev3 sshd[27940]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.255.148.35
Apr  8 17:13:21 srv-ubuntu-dev3 sshd[27940]: Invalid user deploy from 138.255.148.35
Apr  8 17:13:23 srv-ubuntu-dev3 sshd[27940]: Failed password for invalid user deploy from 138.255.148.35 port 39571 ssh2
Apr  8 17:18:11 srv-ubuntu-dev3 sshd[28961]: Invalid user dasusr1 from 138.255.148.35
Apr  8 17:18:11 srv-ubuntu-dev3 sshd[28961]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.255.148.35
Apr  8 17:18:11 srv-ubuntu-dev3 sshd[28961]: Invalid user dasusr1 from 138.255.148.35
Apr  8 17:18:13 srv-ubuntu-dev3 sshd[28961]: Failed password for invalid user dasusr1 from 138.255.148.35 port 43999 ssh2
Apr  8 17:22:53 srv-ubuntu-dev3 sshd[29777]: Invalid user steamcmd from 138.255.148.35
...
2020-04-08 23:29:42
155.94.134.169 attackspambots
Quadranet.com Mass Spam
2020-04-08 23:14:38
45.142.195.2 attackspambots
Brute Force attack - banned by Fail2Ban
2020-04-09 00:19:04
122.165.146.75 attackbotsspam
Apr  8 13:26:41 game-panel sshd[10034]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.165.146.75
Apr  8 13:26:43 game-panel sshd[10034]: Failed password for invalid user jts3bot from 122.165.146.75 port 34676 ssh2
Apr  8 13:29:42 game-panel sshd[10182]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.165.146.75
2020-04-09 00:11:51
129.28.154.240 attackspam
Apr  8 15:31:15 host01 sshd[8566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.28.154.240 
Apr  8 15:31:16 host01 sshd[8566]: Failed password for invalid user work from 129.28.154.240 port 44232 ssh2
Apr  8 15:33:22 host01 sshd[8954]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.28.154.240 
...
2020-04-09 00:04:52
80.211.199.46 attack
Apr  8 17:41:08 * sshd[29960]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.199.46
Apr  8 17:41:10 * sshd[29960]: Failed password for invalid user server from 80.211.199.46 port 59918 ssh2
2020-04-09 00:30:00

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