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 <<>> 104.21.40.243
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9541
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.40.243.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:57:39 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 243.40.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 243.40.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
193.35.51.13 attackbots
2020-07-27 10:20:25 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data \(set_id=mail@yt.gl\)
2020-07-27 10:20:32 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-27 10:20:41 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-27 10:20:47 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-27 10:20:59 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
...
2020-07-27 16:44:23
119.45.137.210 attack
2020-07-27T08:32:15.071392mail.standpoint.com.ua sshd[19401]: Invalid user ftpuser from 119.45.137.210 port 38944
2020-07-27T08:32:15.074408mail.standpoint.com.ua sshd[19401]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.45.137.210
2020-07-27T08:32:15.071392mail.standpoint.com.ua sshd[19401]: Invalid user ftpuser from 119.45.137.210 port 38944
2020-07-27T08:32:16.874656mail.standpoint.com.ua sshd[19401]: Failed password for invalid user ftpuser from 119.45.137.210 port 38944 ssh2
2020-07-27T08:34:25.090460mail.standpoint.com.ua sshd[19727]: Invalid user sam from 119.45.137.210 port 33040
...
2020-07-27 16:57:19
192.254.207.43 attack
192.254.207.43 - - [27/Jul/2020:08:22:15 +0200] "GET /wp-login.php HTTP/1.1" 200 6310 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
192.254.207.43 - - [27/Jul/2020:08:22:16 +0200] "POST /wp-login.php HTTP/1.1" 200 6561 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
192.254.207.43 - - [27/Jul/2020:08:22:19 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-07-27 17:00:38
156.96.128.214 attack
ET DROP Spamhaus DROP Listed Traffic Inbound group 12 - port: 1025 proto: udp cat: Misc Attackbytes: 455
2020-07-27 17:09:50
209.239.115.183 attackspam
(From bankston.tonia@gmail.com) 
Stop paying tons of cash for expensive Google advertising! I can show you a platform that requires only a tiny payment and provides an almost infinite amount of web traffic to your website

To get more info take a look at: http://www.organic-traffic-forever.xyz
2020-07-27 17:12:09
138.68.40.92 attack
SIP/5060 Probe, BF, Hack -
2020-07-27 17:05:42
69.144.62.43 attackbotsspam
Brute forcing email accounts
2020-07-27 17:01:28
122.51.134.25 attack
2020-07-27T11:04:27+0200 Failed SSH Authentication/Brute Force Attack. (Server 4)
2020-07-27 17:20:19
103.43.185.142 attackspam
Jul 27 07:29:27 rocket sshd[14891]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.43.185.142
Jul 27 07:29:30 rocket sshd[14891]: Failed password for invalid user aje from 103.43.185.142 port 38532 ssh2
...
2020-07-27 17:00:24
5.135.224.151 attackspam
SSH Brute Force
2020-07-27 16:57:48
219.91.153.134 attack
Jul 26 23:46:18 NPSTNNYC01T sshd[24722]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.91.153.134
Jul 26 23:46:19 NPSTNNYC01T sshd[24722]: Failed password for invalid user teamspeak from 219.91.153.134 port 56576 ssh2
Jul 26 23:50:50 NPSTNNYC01T sshd[25153]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.91.153.134
...
2020-07-27 17:21:44
77.220.140.53 attackbots
Jul 27 11:09:03 funkybot sshd[1522]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.220.140.53 
Jul 27 11:09:05 funkybot sshd[1522]: Failed password for invalid user duser from 77.220.140.53 port 34428 ssh2
...
2020-07-27 17:15:54
220.134.171.82 attack
Port probing on unauthorized port 23
2020-07-27 17:17:03
182.74.25.246 attackbotsspam
Triggered by Fail2Ban at Ares web server
2020-07-27 16:59:13
104.210.150.110 attackbotsspam
104.210.150.110 - - [27/Jul/2020:10:16:31 +0200] "GET /wp-login.php HTTP/1.1" 200 6310 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
104.210.150.110 - - [27/Jul/2020:10:16:34 +0200] "POST /wp-login.php HTTP/1.1" 200 6561 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
104.210.150.110 - - [27/Jul/2020:10:16:36 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-07-27 16:48:45

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