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 <<>> 104.21.19.197
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58915
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.197.			IN	A

;; AUTHORITY SECTION:
.			223	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 181 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:14:13 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 197.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 197.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.30.165 attackspambots
Sep  5 23:10:23 [host] sshd[26759]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.165  user=root
Sep  5 23:10:24 [host] sshd[26759]: Failed password for root from 222.186.30.165 port 61214 ssh2
Sep  5 23:10:30 [host] sshd[26761]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.165  user=root
2019-09-06 05:11:44
206.189.217.240 attack
fire
2019-09-06 04:53:29
194.182.88.185 attack
fire
2019-09-06 05:17:24
106.52.187.75 attackspam
Sep  5 14:50:21 www sshd[29785]: Invalid user sinusbot1 from 106.52.187.75
Sep  5 14:50:21 www sshd[29785]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.187.75 
Sep  5 14:50:24 www sshd[29785]: Failed password for invalid user sinusbot1 from 106.52.187.75 port 43684 ssh2
Sep  5 14:50:24 www sshd[29785]: Received disconnect from 106.52.187.75: 11: Bye Bye [preauth]
Sep  5 15:18:29 www sshd[30161]: Invalid user teste from 106.52.187.75
Sep  5 15:18:29 www sshd[30161]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.187.75 
Sep  5 15:18:31 www sshd[30161]: Failed password for invalid user teste from 106.52.187.75 port 34738 ssh2
Sep  5 15:18:31 www sshd[30161]: Received disconnect from 106.52.187.75: 11: Bye Bye [preauth]
Sep  5 15:20:23 www sshd[30171]: Invalid user teste from 106.52.187.75
Sep  5 15:20:23 www sshd[30171]: pam_unix(sshd:auth): authentication failure; logname= ........
-------------------------------
2019-09-06 05:20:26
51.254.57.17 attackspam
Sep  5 22:26:08 cp sshd[21074]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.57.17
2019-09-06 05:00:21
106.12.176.3 attack
F2B jail: sshd. Time: 2019-09-05 22:31:51, Reported by: VKReport
2019-09-06 05:06:02
116.193.159.66 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2019-09-06 04:43:49
198.143.155.138 attackbotsspam
Scanning random ports - tries to find possible vulnerable services
2019-09-06 05:15:29
198.45.142.17 attackbotsspam
fire
2019-09-06 05:08:57
194.182.67.69 attackbotsspam
fire
2019-09-06 05:18:04
192.144.142.72 attack
Sep  5 23:32:18 taivassalofi sshd[216746]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.142.72
Sep  5 23:32:20 taivassalofi sshd[216746]: Failed password for invalid user teste from 192.144.142.72 port 40069 ssh2
...
2019-09-06 04:46:35
191.53.236.123 attackbots
Sep  5 20:47:46 tamoto postfix/smtpd[12123]: warning: hostname 191-53-236-123.ptu-wr.mastercabo.com.br does not resolve to address 191.53.236.123: Name or service not known
Sep  5 20:47:46 tamoto postfix/smtpd[12123]: connect from unknown[191.53.236.123]
Sep  5 20:47:50 tamoto postfix/smtpd[12123]: warning: unknown[191.53.236.123]: SASL CRAM-MD5 authentication failed: authentication failure
Sep  5 20:47:51 tamoto postfix/smtpd[12123]: warning: unknown[191.53.236.123]: SASL PLAIN authentication failed: authentication failure
Sep  5 20:47:52 tamoto postfix/smtpd[12123]: warning: unknown[191.53.236.123]: SASL LOGIN authentication failed: authentication failure


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=191.53.236.123
2019-09-06 05:01:17
198.98.56.196 attack
fire
2019-09-06 05:06:33
118.68.105.223 attackbotsspam
Sep  5 23:36:52 server2 sshd\[28738\]: User sshd from 118.68.105.223 not allowed because not listed in AllowUsers
Sep  5 23:37:07 server2 sshd\[28763\]: User sshd from 118.68.105.223 not allowed because not listed in AllowUsers
Sep  5 23:41:49 server2 sshd\[29112\]: Invalid user admin from 118.68.105.223
Sep  5 23:43:22 server2 sshd\[29182\]: Invalid user admin from 118.68.105.223
Sep  5 23:46:22 server2 sshd\[29463\]: Invalid user test from 118.68.105.223
Sep  5 23:46:37 server2 sshd\[29467\]: Invalid user test from 118.68.105.223
2019-09-06 04:58:06
191.235.93.236 attackspam
Sep  5 23:50:59 server sshd\[7703\]: Invalid user webmaster from 191.235.93.236 port 49476
Sep  5 23:50:59 server sshd\[7703\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.235.93.236
Sep  5 23:51:01 server sshd\[7703\]: Failed password for invalid user webmaster from 191.235.93.236 port 49476 ssh2
Sep  5 23:56:04 server sshd\[17645\]: Invalid user admin from 191.235.93.236 port 38342
Sep  5 23:56:04 server sshd\[17645\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.235.93.236
2019-09-06 05:03:30

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