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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.52.191
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1543
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.191.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 24 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:35:46 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 191.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 191.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
137.74.206.80 attackbots
Automatic report - XMLRPC Attack
2020-10-08 00:59:08
35.231.158.190 attack
 TCP (SYN) 35.231.158.190:55862 -> port 2375, len 44
2020-10-08 01:02:20
158.58.188.143 attack
Oct  7 14:25:50 ns382633 sshd\[20137\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=158.58.188.143  user=root
Oct  7 14:25:52 ns382633 sshd\[20137\]: Failed password for root from 158.58.188.143 port 56720 ssh2
Oct  7 14:41:16 ns382633 sshd\[22395\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=158.58.188.143  user=root
Oct  7 14:41:19 ns382633 sshd\[22395\]: Failed password for root from 158.58.188.143 port 33868 ssh2
Oct  7 14:45:00 ns382633 sshd\[22984\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=158.58.188.143  user=root
2020-10-08 01:23:09
23.94.93.106 attackspam
Invalid user fake from 23.94.93.106 port 40556
2020-10-08 01:05:12
192.241.214.142 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-10-08 01:02:48
118.69.183.237 attack
Oct  7 19:05:34 eventyay sshd[8324]: Failed password for root from 118.69.183.237 port 35497 ssh2
Oct  7 19:09:59 eventyay sshd[8472]: Failed password for root from 118.69.183.237 port 41153 ssh2
...
2020-10-08 01:30:02
49.235.115.192 attackspam
Oct  7 18:14:32 s2 sshd[323]: Failed password for root from 49.235.115.192 port 45740 ssh2
Oct  7 18:18:02 s2 sshd[536]: Failed password for root from 49.235.115.192 port 56446 ssh2
2020-10-08 01:14:44
60.249.245.247 attackspambots
Oct  6 22:39:51 fhem-rasp sshd[11156]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.249.245.247
Oct  6 22:39:53 fhem-rasp sshd[11156]: Failed password for invalid user admin from 60.249.245.247 port 36166 ssh2
...
2020-10-08 01:33:26
89.97.157.120 attackspam
Oct  7 14:20:12 staging sshd[246642]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.97.157.120  user=root
Oct  7 14:20:14 staging sshd[246642]: Failed password for root from 89.97.157.120 port 33686 ssh2
Oct  7 14:24:12 staging sshd[246711]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.97.157.120  user=root
Oct  7 14:24:14 staging sshd[246711]: Failed password for root from 89.97.157.120 port 39560 ssh2
...
2020-10-08 01:37:45
112.85.42.230 attackspambots
2020-10-07T20:23:04.530935lavrinenko.info sshd[15878]: Failed password for root from 112.85.42.230 port 37730 ssh2
2020-10-07T20:23:08.046247lavrinenko.info sshd[15878]: Failed password for root from 112.85.42.230 port 37730 ssh2
2020-10-07T20:23:11.752947lavrinenko.info sshd[15878]: Failed password for root from 112.85.42.230 port 37730 ssh2
2020-10-07T20:23:16.399452lavrinenko.info sshd[15878]: Failed password for root from 112.85.42.230 port 37730 ssh2
2020-10-07T20:23:19.591059lavrinenko.info sshd[15878]: Failed password for root from 112.85.42.230 port 37730 ssh2
...
2020-10-08 01:36:53
49.235.28.96 attackspam
Oct 6 23:45:39 *hidden* sshd[4842]: Failed password for *hidden* from 49.235.28.96 port 50908 ssh2 Oct 6 23:49:05 *hidden* sshd[8240]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.28.96 user=root Oct 6 23:49:07 *hidden* sshd[8240]: Failed password for *hidden* from 49.235.28.96 port 49746 ssh2
2020-10-08 01:18:41
80.82.65.74 attackspambots
Port Scan: TCP/9100
2020-10-08 01:16:53
123.231.160.98 attackspambots
Tried sshing with brute force.
2020-10-08 01:08:58
104.36.254.231 attack
2020-10-07 11:49:53.275643-0500  localhost screensharingd[58930]: Authentication: FAILED :: User Name: N/A :: Viewer Address: 104.36.254.231 :: Type: VNC DES
2020-10-08 01:15:51
1.196.238.130 attack
Oct  6 22:13:11 vm1 sshd[13153]: Failed password for root from 1.196.238.130 port 40954 ssh2
Oct  7 11:55:52 vm1 sshd[22635]: Failed password for root from 1.196.238.130 port 53768 ssh2
...
2020-10-08 01:11:40

Recently Reported IPs

104.21.52.190 104.21.52.203 104.21.52.194 104.21.52.20
104.21.52.212 104.21.52.198 104.21.52.222 104.21.52.221
104.21.52.206 104.21.52.219 104.21.7.23 104.21.52.227
104.21.52.229 104.21.52.23 104.21.52.233 104.21.52.241
104.21.52.242 104.21.52.228 104.21.52.244 104.21.52.249