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 <<>> 104.21.56.166
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14022
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.56.166.			IN	A

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

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:13:41 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 166.56.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 166.56.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
211.159.186.152 attackbots
Sep  8 18:53:36 h2829583 sshd[30825]: Failed password for root from 211.159.186.152 port 42016 ssh2
2020-09-09 07:35:31
83.167.87.198 attack
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=admin
2020-09-09 08:02:51
128.199.227.155 attackbotsspam
2020-09-08T22:17:30.262058dmca.cloudsearch.cf sshd[24583]: Invalid user lars from 128.199.227.155 port 37276
2020-09-08T22:17:30.266929dmca.cloudsearch.cf sshd[24583]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.227.155
2020-09-08T22:17:30.262058dmca.cloudsearch.cf sshd[24583]: Invalid user lars from 128.199.227.155 port 37276
2020-09-08T22:17:31.850726dmca.cloudsearch.cf sshd[24583]: Failed password for invalid user lars from 128.199.227.155 port 37276 ssh2
2020-09-08T22:22:13.062996dmca.cloudsearch.cf sshd[24672]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.227.155  user=root
2020-09-08T22:22:14.832314dmca.cloudsearch.cf sshd[24672]: Failed password for root from 128.199.227.155 port 33934 ssh2
2020-09-08T22:26:37.076966dmca.cloudsearch.cf sshd[24721]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.227.155  user=root
2020-09-08T22:26
...
2020-09-09 08:05:10
159.65.229.200 attackspam
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root
2020-09-09 07:57:36
69.55.49.187 attack
Sep  9 01:48:04 buvik sshd[17252]: Invalid user oracle from 69.55.49.187
Sep  9 01:48:04 buvik sshd[17252]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.55.49.187
Sep  9 01:48:06 buvik sshd[17252]: Failed password for invalid user oracle from 69.55.49.187 port 52730 ssh2
...
2020-09-09 08:01:42
138.186.156.84 attackbotsspam
20/9/8@14:40:02: FAIL: Alarm-Network address from=138.186.156.84
20/9/8@14:40:02: FAIL: Alarm-Network address from=138.186.156.84
...
2020-09-09 07:54:49
138.68.44.55 attackbotsspam
Lines containing failures of 138.68.44.55 (max 1000)
Sep  7 02:33:56 archiv sshd[5814]: Invalid user sogo from 138.68.44.55 port 60232
Sep  7 02:33:56 archiv sshd[5814]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.44.55
Sep  7 02:33:58 archiv sshd[5814]: Failed password for invalid user sogo from 138.68.44.55 port 60232 ssh2
Sep  7 02:33:58 archiv sshd[5814]: Received disconnect from 138.68.44.55 port 60232:11: Bye Bye [preauth]
Sep  7 02:33:58 archiv sshd[5814]: Disconnected from 138.68.44.55 port 60232 [preauth]
Sep  7 02:39:20 archiv sshd[5842]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.44.55  user=r.r
Sep  7 02:39:21 archiv sshd[5842]: Failed password for r.r from 138.68.44.55 port 46094 ssh2
Sep  7 02:39:21 archiv sshd[5842]: Received disconnect from 138.68.44.55 port 46094:11: Bye Bye [preauth]
Sep  7 02:39:21 archiv sshd[5842]: Disconnected from 138.68.44.55 por........
------------------------------
2020-09-09 07:49:33
142.93.66.165 attackspambots
Automatic report - XMLRPC Attack
2020-09-09 08:12:08
159.65.12.43 attackbots
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root
2020-09-09 07:42:11
106.51.227.10 attackspam
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root
2020-09-09 07:42:31
222.186.175.150 attackspambots
Sep  9 03:08:04 ift sshd\[27478\]: Failed password for root from 222.186.175.150 port 47546 ssh2Sep  9 03:08:18 ift sshd\[27478\]: Failed password for root from 222.186.175.150 port 47546 ssh2Sep  9 03:08:24 ift sshd\[27512\]: Failed password for root from 222.186.175.150 port 49554 ssh2Sep  9 03:08:27 ift sshd\[27512\]: Failed password for root from 222.186.175.150 port 49554 ssh2Sep  9 03:08:46 ift sshd\[27548\]: Failed password for root from 222.186.175.150 port 4102 ssh2
...
2020-09-09 08:11:23
113.88.248.229 attack
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root
2020-09-09 07:36:56
121.15.139.2 attack
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root
2020-09-09 07:40:48
117.192.42.33 attackspambots
Sep  9 01:31:53 lnxweb62 sshd[11218]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.192.42.33
2020-09-09 07:38:23
175.42.64.121 attackspambots
Sep  8 21:25:22 OPSO sshd\[16010\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.42.64.121  user=root
Sep  8 21:25:24 OPSO sshd\[16010\]: Failed password for root from 175.42.64.121 port 62847 ssh2
Sep  8 21:27:36 OPSO sshd\[16540\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.42.64.121  user=root
Sep  8 21:27:38 OPSO sshd\[16540\]: Failed password for root from 175.42.64.121 port 26109 ssh2
Sep  8 21:29:57 OPSO sshd\[16720\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.42.64.121  user=apache
2020-09-09 07:51:43

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