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

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 <<>> 4.121.138.57
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51574
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			429	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020031600 1800 900 604800 86400

;; Query time: 189 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Mar 16 20:30:06 CST 2020
;; MSG SIZE  rcvd: 116
Host info
Host 57.138.121.4.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 57.138.121.4.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.75.153.255 attackspambots
Nov 28 01:16:54 lnxweb61 sshd[2353]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.153.255
2019-11-28 09:34:57
103.15.226.108 attackspambots
2019-11-28T04:58:11.559015abusebot-5.cloudsearch.cf sshd\[20910\]: Invalid user rsync from 103.15.226.108 port 33872
2019-11-28 13:26:12
162.214.21.81 attackspam
Automatic report - XMLRPC Attack
2019-11-28 13:01:28
118.24.151.43 attackspambots
Nov 28 06:15:14 localhost sshd\[24629\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.151.43  user=root
Nov 28 06:15:16 localhost sshd\[24629\]: Failed password for root from 118.24.151.43 port 57374 ssh2
Nov 28 06:19:46 localhost sshd\[25972\]: Invalid user hkj from 118.24.151.43 port 36326
Nov 28 06:19:46 localhost sshd\[25972\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.151.43
2019-11-28 13:25:23
202.29.220.114 attackspambots
2019-11-28T04:50:43.073028shield sshd\[19743\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.29.220.114  user=root
2019-11-28T04:50:45.353636shield sshd\[19743\]: Failed password for root from 202.29.220.114 port 39666 ssh2
2019-11-28T04:58:45.549349shield sshd\[20859\]: Invalid user server from 202.29.220.114 port 49429
2019-11-28T04:58:45.554028shield sshd\[20859\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.29.220.114
2019-11-28T04:58:47.338457shield sshd\[20859\]: Failed password for invalid user server from 202.29.220.114 port 49429 ssh2
2019-11-28 13:05:04
104.243.41.97 attackbotsspam
Nov 28 02:52:31 microserver sshd[63851]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.243.41.97  user=mysql
Nov 28 02:52:33 microserver sshd[63851]: Failed password for mysql from 104.243.41.97 port 52350 ssh2
Nov 28 02:55:17 microserver sshd[64395]: Invalid user Kielo from 104.243.41.97 port 56774
Nov 28 02:55:17 microserver sshd[64395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.243.41.97
Nov 28 02:55:18 microserver sshd[64395]: Failed password for invalid user Kielo from 104.243.41.97 port 56774 ssh2
Nov 28 03:07:16 microserver sshd[708]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.243.41.97  user=root
Nov 28 03:07:17 microserver sshd[708]: Failed password for root from 104.243.41.97 port 46094 ssh2
Nov 28 03:09:52 microserver sshd[866]: Invalid user http from 104.243.41.97 port 50288
Nov 28 03:09:52 microserver sshd[866]: pam_unix(sshd:auth): authentication failur
2019-11-28 09:41:15
190.146.40.67 attackspambots
Nov 28 06:12:08 vibhu-HP-Z238-Microtower-Workstation sshd\[12836\]: Invalid user montelli from 190.146.40.67
Nov 28 06:12:08 vibhu-HP-Z238-Microtower-Workstation sshd\[12836\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.146.40.67
Nov 28 06:12:10 vibhu-HP-Z238-Microtower-Workstation sshd\[12836\]: Failed password for invalid user montelli from 190.146.40.67 port 40590 ssh2
Nov 28 06:19:25 vibhu-HP-Z238-Microtower-Workstation sshd\[16727\]: Invalid user webmaster from 190.146.40.67
Nov 28 06:19:25 vibhu-HP-Z238-Microtower-Workstation sshd\[16727\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.146.40.67
...
2019-11-28 09:39:57
187.44.106.11 attack
Nov 28 00:58:33 MK-Soft-VM6 sshd[31485]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.44.106.11 
Nov 28 00:58:35 MK-Soft-VM6 sshd[31485]: Failed password for invalid user marilena from 187.44.106.11 port 45672 ssh2
...
2019-11-28 09:40:44
101.108.177.57 attackbotsspam
port scan/probe/communication attempt; port 23
2019-11-28 09:34:28
54.37.225.179 attackspam
Nov 28 02:01:06 SilenceServices sshd[10277]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.225.179
Nov 28 02:01:08 SilenceServices sshd[10277]: Failed password for invalid user ranilda from 54.37.225.179 port 59996 ssh2
Nov 28 02:07:03 SilenceServices sshd[15213]: Failed password for root from 54.37.225.179 port 39302 ssh2
2019-11-28 09:30:14
40.87.127.217 attack
Nov 28 07:07:38 webhost01 sshd[27133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.87.127.217
Nov 28 07:07:40 webhost01 sshd[27133]: Failed password for invalid user eckersberg from 40.87.127.217 port 59748 ssh2
...
2019-11-28 09:39:24
50.125.87.117 attackbotsspam
2019-11-28T05:10:06.978855abusebot-3.cloudsearch.cf sshd\[2289\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=50-125-87-117.hllk.wa.frontiernet.net  user=root
2019-11-28 13:10:50
104.131.81.54 attackbots
WordPress login Brute force / Web App Attack on client site.
2019-11-28 13:16:52
153.35.126.31 attackbots
Netgear DGN Device Remote Command Execution Vulnerability, PTR: PTR record not found
2019-11-28 13:14:50
222.186.173.226 attackbotsspam
2019-11-28T06:04:45.5623461240 sshd\[18120\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.226  user=root
2019-11-28T06:04:47.7655741240 sshd\[18120\]: Failed password for root from 222.186.173.226 port 33927 ssh2
2019-11-28T06:04:50.6191121240 sshd\[18120\]: Failed password for root from 222.186.173.226 port 33927 ssh2
...
2019-11-28 13:06:10

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