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 <<>> 104.21.52.166
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4932
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.166.			IN	A

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

;; Query time: 99 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:47:41 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 166.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 166.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
5.214.81.122 attackspambots
Unauthorized connection attempt from IP address 5.214.81.122 on Port 445(SMB)
2019-11-01 04:20:57
5.160.103.202 attack
" "
2019-11-01 04:24:50
23.251.142.181 attackbots
Oct 31 21:12:08 sd-53420 sshd\[1894\]: Invalid user proteu from 23.251.142.181
Oct 31 21:12:08 sd-53420 sshd\[1894\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.251.142.181
Oct 31 21:12:10 sd-53420 sshd\[1894\]: Failed password for invalid user proteu from 23.251.142.181 port 20515 ssh2
Oct 31 21:15:49 sd-53420 sshd\[2201\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.251.142.181  user=root
Oct 31 21:15:51 sd-53420 sshd\[2201\]: Failed password for root from 23.251.142.181 port 59391 ssh2
...
2019-11-01 04:29:47
54.36.52.119 attackspam
Wordpress bruteforce
2019-11-01 04:30:31
192.186.143.116 attackbotsspam
Registration form abuse
2019-11-01 04:19:29
104.202.4.222 attackbotsspam
Registration form abuse
2019-11-01 04:20:35
92.53.90.179 attackspam
Port scan on 6 port(s): 5634 5924 6002 6317 6393 6454
2019-11-01 04:10:54
182.61.19.79 attackspambots
Oct 31 21:28:31 sd-53420 sshd\[3135\]: Invalid user ts3sleep from 182.61.19.79
Oct 31 21:28:31 sd-53420 sshd\[3135\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.19.79
Oct 31 21:28:33 sd-53420 sshd\[3135\]: Failed password for invalid user ts3sleep from 182.61.19.79 port 34136 ssh2
Oct 31 21:32:50 sd-53420 sshd\[3447\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.19.79  user=root
Oct 31 21:32:52 sd-53420 sshd\[3447\]: Failed password for root from 182.61.19.79 port 43248 ssh2
...
2019-11-01 04:34:55
134.175.151.155 attackbotsspam
Oct 31 21:06:52 sd-53420 sshd\[1467\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.151.155  user=root
Oct 31 21:06:54 sd-53420 sshd\[1467\]: Failed password for root from 134.175.151.155 port 49118 ssh2
Oct 31 21:11:13 sd-53420 sshd\[1818\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.151.155  user=root
Oct 31 21:11:15 sd-53420 sshd\[1818\]: Failed password for root from 134.175.151.155 port 59260 ssh2
Oct 31 21:15:39 sd-53420 sshd\[2167\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.151.155  user=root
...
2019-11-01 04:40:05
167.71.3.163 attack
2019-10-31T20:15:28.988028abusebot-8.cloudsearch.cf sshd\[31343\]: Invalid user tmgvision from 167.71.3.163 port 24784
2019-11-01 04:47:01
92.63.194.148 attackbots
10/31/2019-21:15:48.231457 92.63.194.148 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-11-01 04:34:14
27.72.124.10 attackspambots
Unauthorized connection attempt from IP address 27.72.124.10 on Port 445(SMB)
2019-11-01 04:46:18
222.186.175.161 attackbots
sshd jail - ssh hack attempt
2019-11-01 04:19:08
74.82.47.45 attackbotsspam
1572523029 - 10/31/2019 12:57:09 Host: scan-12i.shadowserver.org/74.82.47.45 Port: 17 UDP Blocked
2019-11-01 04:17:17
190.117.167.39 attackspambots
PostgreSQL port 5432
2019-11-01 04:13:46

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