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 <<>> 104.21.57.37
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 27716
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.37.			IN	A

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

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:35:00 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 37.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 37.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
151.80.238.201 attackbots
Aug 19 02:56:12  postfix/smtpd: warning: unknown[151.80.238.201]: SASL LOGIN authentication failed
2019-08-19 11:05:13
65.151.157.14 attack
Aug 19 03:19:18 hb sshd\[10815\]: Invalid user laurel from 65.151.157.14
Aug 19 03:19:18 hb sshd\[10815\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.151.157.14
Aug 19 03:19:21 hb sshd\[10815\]: Failed password for invalid user laurel from 65.151.157.14 port 59652 ssh2
Aug 19 03:24:25 hb sshd\[11261\]: Invalid user sysadmin from 65.151.157.14
Aug 19 03:24:25 hb sshd\[11261\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.151.157.14
2019-08-19 11:31:49
218.92.0.204 attackbots
Aug 19 04:57:15 mail sshd\[2040\]: Failed password for root from 218.92.0.204 port 19583 ssh2
Aug 19 04:58:40 mail sshd\[2200\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.204  user=root
Aug 19 04:58:43 mail sshd\[2200\]: Failed password for root from 218.92.0.204 port 14169 ssh2
Aug 19 04:58:45 mail sshd\[2200\]: Failed password for root from 218.92.0.204 port 14169 ssh2
Aug 19 04:58:47 mail sshd\[2200\]: Failed password for root from 218.92.0.204 port 14169 ssh2
2019-08-19 11:10:47
184.179.216.156 attack
IMAP brute force
...
2019-08-19 11:04:44
106.13.142.247 attack
Aug 19 04:59:51 lnxweb62 sshd[7303]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.142.247
2019-08-19 11:15:49
134.209.161.147 attackbotsspam
Aug 19 01:44:40 meumeu sshd[17758]: Failed password for invalid user abc from 134.209.161.147 port 33096 ssh2
Aug 19 01:48:54 meumeu sshd[18580]: Failed password for invalid user nagios from 134.209.161.147 port 51870 ssh2
...
2019-08-19 11:10:15
31.46.16.95 attack
SSH Bruteforce attempt
2019-08-19 11:49:13
84.121.165.180 attackspambots
SSH Brute-Forcing (ownc)
2019-08-19 11:23:57
106.13.44.78 attackspambots
Aug 18 16:30:29 web9 sshd\[5244\]: Invalid user sun from 106.13.44.78
Aug 18 16:30:29 web9 sshd\[5244\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.44.78
Aug 18 16:30:31 web9 sshd\[5244\]: Failed password for invalid user sun from 106.13.44.78 port 35636 ssh2
Aug 18 16:36:33 web9 sshd\[6412\]: Invalid user nagios from 106.13.44.78
Aug 18 16:36:33 web9 sshd\[6412\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.44.78
2019-08-19 10:52:53
103.208.20.118 attackspam
port scan and connect, tcp 23 (telnet)
2019-08-19 11:07:39
106.12.181.184 attackspambots
Aug 19 05:15:58 MK-Soft-Root1 sshd\[5767\]: Invalid user ggg from 106.12.181.184 port 48840
Aug 19 05:15:58 MK-Soft-Root1 sshd\[5767\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.181.184
Aug 19 05:16:00 MK-Soft-Root1 sshd\[5767\]: Failed password for invalid user ggg from 106.12.181.184 port 48840 ssh2
...
2019-08-19 11:35:16
168.243.232.149 attackbots
Aug 18 17:23:45 auw2 sshd\[397\]: Invalid user pv from 168.243.232.149
Aug 18 17:23:45 auw2 sshd\[397\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip168-243-232-149.intercom.com.sv
Aug 18 17:23:47 auw2 sshd\[397\]: Failed password for invalid user pv from 168.243.232.149 port 59831 ssh2
Aug 18 17:28:21 auw2 sshd\[817\]: Invalid user cfabllc from 168.243.232.149
Aug 18 17:28:21 auw2 sshd\[817\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip168-243-232-149.intercom.com.sv
2019-08-19 11:44:36
159.89.199.216 attack
Invalid user impressora from 159.89.199.216 port 44078
2019-08-19 11:31:05
119.28.73.77 attackbots
Aug 19 01:56:26 vps691689 sshd[5478]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.28.73.77
Aug 19 01:56:28 vps691689 sshd[5478]: Failed password for invalid user mq from 119.28.73.77 port 43110 ssh2
...
2019-08-19 11:49:34
82.144.6.116 attackbotsspam
Aug 19 00:06:24 bouncer sshd\[20188\]: Invalid user name from 82.144.6.116 port 44276
Aug 19 00:06:24 bouncer sshd\[20188\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.144.6.116 
Aug 19 00:06:26 bouncer sshd\[20188\]: Failed password for invalid user name from 82.144.6.116 port 44276 ssh2
...
2019-08-19 11:46:08

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