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 <<>> 104.21.43.57
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23791
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.43.57.			IN	A

;; AUTHORITY SECTION:
.			578	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 22 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 10:28:20 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 57.43.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 57.43.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
74.40.207.122 attackbots
Automatic report - Port Scan Attack
2019-11-23 02:22:43
222.82.237.238 attack
Nov 22 18:21:19 sauna sshd[171402]: Failed password for root from 222.82.237.238 port 61221 ssh2
...
2019-11-23 02:17:10
52.177.17.191 attackspam
Nov 22 15:40:09 mail postfix/smtps/smtpd[626]: warning: unknown[52.177.17.191]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 22 15:41:50 mail postfix/smtps/smtpd[655]: warning: unknown[52.177.17.191]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 22 15:48:38 mail postfix/smtps/smtpd[651]: warning: unknown[52.177.17.191]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-11-23 02:03:57
5.95.239.163 attackbotsspam
Telnet/23 MH Probe, BF, Hack -
2019-11-23 02:26:43
201.55.126.57 attackspambots
Nov 22 19:35:01 vtv3 sshd[4418]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.55.126.57 
Nov 22 19:35:03 vtv3 sshd[4418]: Failed password for invalid user hou from 201.55.126.57 port 33292 ssh2
Nov 22 19:40:22 vtv3 sshd[7055]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.55.126.57 
Nov 22 19:51:14 vtv3 sshd[11544]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.55.126.57 
Nov 22 19:51:16 vtv3 sshd[11544]: Failed password for invalid user easterly from 201.55.126.57 port 60787 ssh2
Nov 22 19:56:37 vtv3 sshd[13773]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.55.126.57 
Nov 22 20:06:46 vtv3 sshd[18337]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.55.126.57 
Nov 22 20:06:48 vtv3 sshd[18337]: Failed password for invalid user test from 201.55.126.57 port 60039 ssh2
Nov 22 20:12:04 vt
2019-11-23 02:18:29
134.209.81.110 attackbots
Unauthorised access (Nov 22) SRC=134.209.81.110 LEN=40 TTL=248 ID=54321 TCP DPT=445 WINDOW=65535 SYN
2019-11-23 02:02:36
119.159.144.221 attack
Unauthorized connection attempt from IP address 119.159.144.221 on Port 445(SMB)
2019-11-23 02:25:20
222.94.46.161 attackspambots
Brute force SMTP login attempts.
2019-11-23 02:24:39
159.203.177.49 attack
Nov 22 16:04:44 serwer sshd\[16508\]: Invalid user jmathews from 159.203.177.49 port 58320
Nov 22 16:04:44 serwer sshd\[16508\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.177.49
Nov 22 16:04:46 serwer sshd\[16508\]: Failed password for invalid user jmathews from 159.203.177.49 port 58320 ssh2
...
2019-11-23 02:31:31
211.181.237.68 attackspambots
Unauthorized connection attempt from IP address 211.181.237.68 on Port 445(SMB)
2019-11-23 02:11:52
185.81.164.239 attackbotsspam
Received: from prxm.kdqijws.top (prxm.kdqijws.top [185.81.164.239])
http://prxm.kdqijws.top
http://o.rmncdn.com
alibaba-inc.com
12321.cn
iv.lt
2019-11-23 02:27:05
189.124.134.92 attack
Unauthorized connection attempt from IP address 189.124.134.92 on Port 445(SMB)
2019-11-23 02:17:46
49.206.4.124 attack
Unauthorized connection attempt from IP address 49.206.4.124 on Port 445(SMB)
2019-11-23 02:08:34
71.72.12.0 attackbotsspam
SSH Brute Force
2019-11-23 02:13:11
199.19.224.191 attack
SSH Brute-Force reported by Fail2Ban
2019-11-23 02:01:52

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