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: None

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 <<>> 104.21.56.137
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37113
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.56.137.			IN	A

;; AUTHORITY SECTION:
.			57	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:13:39 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 137.56.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 137.56.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.88.112.72 attack
Feb  9 11:01:38 eventyay sshd[11252]: Failed password for root from 49.88.112.72 port 54622 ssh2
Feb  9 11:02:32 eventyay sshd[11256]: Failed password for root from 49.88.112.72 port 60359 ssh2
...
2020-02-09 20:04:50
206.246.8.121 attackspambots
Telnet/23 MH Probe, BF, Hack -
2020-02-09 19:35:25
218.92.0.148 attackbotsspam
2020-02-09T12:47:59.875447ns386461 sshd\[14992\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.148  user=root
2020-02-09T12:48:01.204508ns386461 sshd\[14992\]: Failed password for root from 218.92.0.148 port 41280 ssh2
2020-02-09T12:48:04.735198ns386461 sshd\[14992\]: Failed password for root from 218.92.0.148 port 41280 ssh2
2020-02-09T12:48:07.128852ns386461 sshd\[14992\]: Failed password for root from 218.92.0.148 port 41280 ssh2
2020-02-09T12:48:10.779767ns386461 sshd\[14992\]: Failed password for root from 218.92.0.148 port 41280 ssh2
...
2020-02-09 19:48:38
123.20.190.102 attackspam
2020-02-0905:49:111j0eWs-0001tG-2Q\<=verena@rs-solution.chH=\(localhost\)[123.20.190.102]:48032P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2145id=AFAA1C4F4490BE0DD1D49D25D1981166@rs-solution.chT="areyoulonelytoo\?"forvanihida8@gmail.com2020-02-0905:48:191j0eW2-0001rb-5i\<=verena@rs-solution.chH=045-238-121-132.provecom.com.br\(localhost\)[45.238.121.132]:47354P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2117id=A9AC1A494296B80BD7D29B23D7EE7CF3@rs-solution.chT="apleasantsurprise"forsohhkudii@gmail.com2020-02-0905:48:351j0eWI-0001sG-H5\<=verena@rs-solution.chH=\(localhost\)[196.246.211.55]:39327P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2263id=4540F6A5AE7A54E73B3E77CF3B20C591@rs-solution.chT="maybeit'sfate"forkenyoncarter18@gmail.com2020-02-0905:48:501j0eWX-0001sm-Pv\<=verena@rs-solution.chH=\(localhost\)[14.231.158.153]:56427P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES
2020-02-09 19:49:49
218.60.2.126 attackbots
Feb  9 06:58:58 silence02 sshd[633]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.60.2.126
Feb  9 06:59:00 silence02 sshd[633]: Failed password for invalid user bfv from 218.60.2.126 port 60896 ssh2
Feb  9 07:01:38 silence02 sshd[862]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.60.2.126
2020-02-09 20:06:54
122.51.136.99 attackbots
Feb  9 09:23:44 server sshd\[20446\]: Invalid user zpt from 122.51.136.99
Feb  9 09:23:44 server sshd\[20446\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.136.99 
Feb  9 09:23:46 server sshd\[20446\]: Failed password for invalid user zpt from 122.51.136.99 port 60824 ssh2
Feb  9 09:35:24 server sshd\[22664\]: Invalid user dsn from 122.51.136.99
Feb  9 09:35:24 server sshd\[22664\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.136.99 
...
2020-02-09 20:14:17
121.122.49.234 attack
SSH Brute Force
2020-02-09 20:09:16
197.43.216.135 attack
Telnet/23 MH Probe, BF, Hack -
2020-02-09 19:37:07
106.52.254.33 attack
Feb  9 11:33:37 MK-Soft-Root1 sshd[32695]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.254.33 
Feb  9 11:33:39 MK-Soft-Root1 sshd[32695]: Failed password for invalid user lbu from 106.52.254.33 port 57908 ssh2
...
2020-02-09 19:56:17
187.12.181.106 attack
Feb  9 12:29:19 lnxmysql61 sshd[31171]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.12.181.106
Feb  9 12:29:19 lnxmysql61 sshd[31171]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.12.181.106
2020-02-09 19:39:54
128.199.233.188 attackbots
$f2bV_matches_ltvn
2020-02-09 19:53:00
156.208.38.13 attackbotsspam
2020-02-0905:49:111j0eWs-0001tG-2Q\<=verena@rs-solution.chH=\(localhost\)[123.20.190.102]:48032P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2145id=AFAA1C4F4490BE0DD1D49D25D1981166@rs-solution.chT="areyoulonelytoo\?"forvanihida8@gmail.com2020-02-0905:48:191j0eW2-0001rb-5i\<=verena@rs-solution.chH=045-238-121-132.provecom.com.br\(localhost\)[45.238.121.132]:47354P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2117id=A9AC1A494296B80BD7D29B23D7EE7CF3@rs-solution.chT="apleasantsurprise"forsohhkudii@gmail.com2020-02-0905:48:351j0eWI-0001sG-H5\<=verena@rs-solution.chH=\(localhost\)[196.246.211.55]:39327P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2263id=4540F6A5AE7A54E73B3E77CF3B20C591@rs-solution.chT="maybeit'sfate"forkenyoncarter18@gmail.com2020-02-0905:48:501j0eWX-0001sm-Pv\<=verena@rs-solution.chH=\(localhost\)[14.231.158.153]:56427P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES
2020-02-09 19:43:12
114.67.102.54 attack
SSH bruteforce
2020-02-09 19:38:15
27.122.12.248 attackbots
Brute force VPN server
2020-02-09 20:10:21
120.52.96.216 attackspam
Feb  9 08:56:24 game-panel sshd[2968]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.52.96.216
Feb  9 08:56:25 game-panel sshd[2968]: Failed password for invalid user zsm from 120.52.96.216 port 49778 ssh2
Feb  9 09:02:57 game-panel sshd[3303]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.52.96.216
2020-02-09 20:01:33

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