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: Cloudflare, Inc.

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 <<>> 104.21.191.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 819
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019082900 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Fri Aug 30 01:07:19 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 66.191.21.104.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
;; Got SERVFAIL reply from 67.207.67.2, trying next server
Server:		67.207.67.3
Address:	67.207.67.3#53

** server can't find 66.191.21.104.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
79.137.84.144 attackspam
Sep  3 22:35:12 mail sshd\[23303\]: Failed password for invalid user android from 79.137.84.144 port 41490 ssh2
Sep  3 22:51:12 mail sshd\[23807\]: Invalid user tickets from 79.137.84.144 port 52636
...
2019-09-04 05:56:35
206.189.212.81 attackspam
Sep  3 21:32:30 localhost sshd\[111976\]: Invalid user qwerty from 206.189.212.81 port 34052
Sep  3 21:32:30 localhost sshd\[111976\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.212.81
Sep  3 21:32:32 localhost sshd\[111976\]: Failed password for invalid user qwerty from 206.189.212.81 port 34052 ssh2
Sep  3 21:36:39 localhost sshd\[112157\]: Invalid user zimbra from 206.189.212.81 port 49992
Sep  3 21:36:39 localhost sshd\[112157\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.212.81
...
2019-09-04 05:42:20
138.197.93.133 attackspambots
Sep  3 17:03:32 vtv3 sshd\[23996\]: Invalid user mdom from 138.197.93.133 port 48596
Sep  3 17:03:32 vtv3 sshd\[23996\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.93.133
Sep  3 17:03:34 vtv3 sshd\[23996\]: Failed password for invalid user mdom from 138.197.93.133 port 48596 ssh2
Sep  3 17:10:32 vtv3 sshd\[28080\]: Invalid user j from 138.197.93.133 port 34136
Sep  3 17:10:32 vtv3 sshd\[28080\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.93.133
Sep  3 17:29:46 vtv3 sshd\[5564\]: Invalid user jboss from 138.197.93.133 port 50404
Sep  3 17:29:46 vtv3 sshd\[5564\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.93.133
Sep  3 17:29:48 vtv3 sshd\[5564\]: Failed password for invalid user jboss from 138.197.93.133 port 50404 ssh2
Sep  3 17:33:49 vtv3 sshd\[7714\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1
2019-09-04 05:49:51
82.188.133.50 attackbots
imap-login: Disconnected \(auth failed, 1 attempts in 5
2019-09-04 06:32:03
66.70.228.185 attackspambots
Sep  3 22:22:10 nextcloud sshd\[32484\]: Invalid user Administrator from 66.70.228.185
Sep  3 22:22:10 nextcloud sshd\[32484\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=66.70.228.185
Sep  3 22:22:13 nextcloud sshd\[32484\]: Failed password for invalid user Administrator from 66.70.228.185 port 43116 ssh2
...
2019-09-04 05:57:20
49.88.112.90 attackspambots
Sep  3 21:55:01 game-panel sshd[8609]: Failed password for root from 49.88.112.90 port 52967 ssh2
Sep  3 21:55:03 game-panel sshd[8609]: Failed password for root from 49.88.112.90 port 52967 ssh2
Sep  3 21:55:06 game-panel sshd[8609]: Failed password for root from 49.88.112.90 port 52967 ssh2
2019-09-04 05:59:19
106.12.208.202 attack
Sep  3 08:58:30 php2 sshd\[9534\]: Invalid user marcus from 106.12.208.202
Sep  3 08:58:30 php2 sshd\[9534\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.208.202
Sep  3 08:58:32 php2 sshd\[9534\]: Failed password for invalid user marcus from 106.12.208.202 port 52854 ssh2
Sep  3 09:01:32 php2 sshd\[9845\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.208.202  user=root
Sep  3 09:01:34 php2 sshd\[9845\]: Failed password for root from 106.12.208.202 port 50748 ssh2
2019-09-04 05:52:56
35.187.248.21 attackspambots
Sep  3 21:54:48 game-panel sshd[8605]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.187.248.21
Sep  3 21:54:50 game-panel sshd[8605]: Failed password for invalid user is from 35.187.248.21 port 47782 ssh2
Sep  3 22:01:21 game-panel sshd[8943]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.187.248.21
2019-09-04 06:02:05
218.98.26.180 attack
Sep  3 19:13:50 Ubuntu-1404-trusty-64-minimal sshd\[23991\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.98.26.180  user=root
Sep  3 19:13:51 Ubuntu-1404-trusty-64-minimal sshd\[23991\]: Failed password for root from 218.98.26.180 port 39973 ssh2
Sep  4 00:03:26 Ubuntu-1404-trusty-64-minimal sshd\[10189\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.98.26.180  user=root
Sep  4 00:03:27 Ubuntu-1404-trusty-64-minimal sshd\[10189\]: Failed password for root from 218.98.26.180 port 37867 ssh2
Sep  4 00:03:30 Ubuntu-1404-trusty-64-minimal sshd\[10189\]: Failed password for root from 218.98.26.180 port 37867 ssh2
2019-09-04 06:11:23
178.128.208.73 attackspam
Sep  3 23:26:31 mail sshd\[24961\]: Invalid user tiina from 178.128.208.73 port 39942
Sep  3 23:26:31 mail sshd\[24961\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.208.73
...
2019-09-04 06:26:34
216.186.250.53 attack
v+ssh-bruteforce
2019-09-04 06:25:47
202.59.166.148 attack
Sep  3 12:20:34 auw2 sshd\[14163\]: Invalid user ggutierrez from 202.59.166.148
Sep  3 12:20:34 auw2 sshd\[14163\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=smtp.waytodeal.com
Sep  3 12:20:36 auw2 sshd\[14163\]: Failed password for invalid user ggutierrez from 202.59.166.148 port 59197 ssh2
Sep  3 12:25:35 auw2 sshd\[14601\]: Invalid user asa from 202.59.166.148
Sep  3 12:25:35 auw2 sshd\[14601\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=smtp.waytodeal.com
2019-09-04 06:26:03
185.217.228.12 attackspam
Tue, 03 Sep 2019 14:35:56 -0400 Received: from skill.xrmbest.com ([185.217.228.12]:26599 helo=canlobby.pro) From:  Tinnitus cure spam
2019-09-04 05:44:37
220.134.138.111 attack
Sep  3 22:40:20 dev0-dcfr-rnet sshd[26582]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.134.138.111
Sep  3 22:40:23 dev0-dcfr-rnet sshd[26582]: Failed password for invalid user crm from 220.134.138.111 port 43116 ssh2
Sep  3 22:45:22 dev0-dcfr-rnet sshd[26699]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.134.138.111
2019-09-04 06:23:45
218.98.26.169 attackspambots
19/9/3@17:40:25: FAIL: Alarm-SSH address from=218.98.26.169
...
2019-09-04 05:41:14

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