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 <<>> 104.21.57.212
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50638
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.212.			IN	A

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

;; Query time: 71 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:38:18 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 212.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 212.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
66.49.84.65 attackspam
Aug  1 02:04:59 lnxded64 sshd[7677]: Failed password for root from 66.49.84.65 port 38852 ssh2
Aug  1 02:04:59 lnxded64 sshd[7677]: Failed password for root from 66.49.84.65 port 38852 ssh2
Aug  1 02:14:37 lnxded64 sshd[10162]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=66.49.84.65
2019-08-01 08:28:07
106.52.29.40 attackbots
Automatic report - Banned IP Access
2019-08-01 08:24:45
51.77.220.183 attack
Jul 31 20:42:25 ncomp sshd[5369]: Invalid user alfresco from 51.77.220.183
Jul 31 20:42:25 ncomp sshd[5369]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.220.183
Jul 31 20:42:25 ncomp sshd[5369]: Invalid user alfresco from 51.77.220.183
Jul 31 20:42:27 ncomp sshd[5369]: Failed password for invalid user alfresco from 51.77.220.183 port 46054 ssh2
2019-08-01 08:11:44
185.220.101.25 attack
SSH bruteforce
2019-08-01 08:33:56
45.176.43.253 attack
Automatic report - Port Scan Attack
2019-08-01 08:23:24
23.129.64.182 attack
Aug  1 02:48:53 vpn01 sshd\[9292\]: Invalid user maint from 23.129.64.182
Aug  1 02:48:53 vpn01 sshd\[9292\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.129.64.182
Aug  1 02:48:55 vpn01 sshd\[9292\]: Failed password for invalid user maint from 23.129.64.182 port 39967 ssh2
2019-08-01 09:02:12
151.236.193.195 attackbotsspam
Aug  1 05:31:54 vibhu-HP-Z238-Microtower-Workstation sshd\[7461\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.236.193.195  user=root
Aug  1 05:31:56 vibhu-HP-Z238-Microtower-Workstation sshd\[7461\]: Failed password for root from 151.236.193.195 port 45919 ssh2
Aug  1 05:37:37 vibhu-HP-Z238-Microtower-Workstation sshd\[7648\]: Invalid user naoneo from 151.236.193.195
Aug  1 05:37:37 vibhu-HP-Z238-Microtower-Workstation sshd\[7648\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.236.193.195
Aug  1 05:37:39 vibhu-HP-Z238-Microtower-Workstation sshd\[7648\]: Failed password for invalid user naoneo from 151.236.193.195 port 8214 ssh2
...
2019-08-01 08:27:38
115.94.204.156 attack
2019-07-31T23:51:32.932469abusebot-6.cloudsearch.cf sshd\[19658\]: Invalid user test8 from 115.94.204.156 port 59594
2019-08-01 08:17:47
189.47.91.14 attack
Apr 17 03:52:38 ubuntu sshd[15987]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.47.91.14
Apr 17 03:52:40 ubuntu sshd[15987]: Failed password for invalid user costin from 189.47.91.14 port 53042 ssh2
Apr 17 03:57:35 ubuntu sshd[16207]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.47.91.14
2019-08-01 08:42:58
187.208.6.100 attackspam
Jul 31 17:06:43 xtremcommunity sshd\[21826\]: Invalid user applmgr from 187.208.6.100 port 46052
Jul 31 17:06:43 xtremcommunity sshd\[21826\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.208.6.100
Jul 31 17:06:45 xtremcommunity sshd\[21826\]: Failed password for invalid user applmgr from 187.208.6.100 port 46052 ssh2
Jul 31 17:11:31 xtremcommunity sshd\[31266\]: Invalid user user8 from 187.208.6.100 port 41984
Jul 31 17:11:31 xtremcommunity sshd\[31266\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.208.6.100
...
2019-08-01 08:18:17
91.179.19.173 attackspam
NAME : BE-BELGACOM-20060904 CIDR : 91.176.0.0/13 SYN Flood DDoS Attack Belgium - block certain countries :) IP: 91.179.19.173  Denial-of-Service Attack (DoS) Detected and Blocked by ADMIN  - data recovery https://help-dysk.pl
2019-08-01 08:13:01
124.82.22.97 attack
" "
2019-08-01 08:38:03
189.50.105.104 attack
Apr 16 05:31:42 ubuntu sshd[5814]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.50.105.104
Apr 16 05:31:44 ubuntu sshd[5814]: Failed password for invalid user tuxedo from 189.50.105.104 port 53965 ssh2
Apr 16 05:34:39 ubuntu sshd[5868]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.50.105.104
Apr 16 05:34:41 ubuntu sshd[5868]: Failed password for invalid user odoo from 189.50.105.104 port 38788 ssh2
2019-08-01 08:40:01
51.254.131.137 attack
Aug  1 01:08:24 ks10 sshd[18459]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.131.137 
Aug  1 01:08:26 ks10 sshd[18459]: Failed password for invalid user matt from 51.254.131.137 port 36558 ssh2
...
2019-08-01 08:33:20
191.53.249.100 attackbotsspam
failed_logins
2019-08-01 08:22:28

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