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 <<>> 104.21.36.144
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 510
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.36.144.			IN	A

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

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:25:59 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 144.36.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 144.36.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
187.111.1.57 attack
Sep 20 19:03:25 mellenthin postfix/smtpd[12072]: NOQUEUE: reject: RCPT from unknown[187.111.1.57]: 554 5.7.1 Service unavailable; Client host [187.111.1.57] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/187.111.1.57; from= to= proto=ESMTP helo=<57.1.111.187.flexseg.com.br>
2020-09-21 20:58:45
211.234.119.189 attackbotsspam
(sshd) Failed SSH login from 211.234.119.189 (KR/South Korea/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 21 06:45:50 jbs1 sshd[21147]: Invalid user user from 211.234.119.189
Sep 21 06:45:50 jbs1 sshd[21147]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.234.119.189 
Sep 21 06:45:51 jbs1 sshd[21147]: Failed password for invalid user user from 211.234.119.189 port 35450 ssh2
Sep 21 06:55:18 jbs1 sshd[29933]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.234.119.189  user=root
Sep 21 06:55:20 jbs1 sshd[29933]: Failed password for root from 211.234.119.189 port 46250 ssh2
2020-09-21 20:46:27
193.112.108.11 attackbotsspam
Sep 21 10:48:50 havingfunrightnow sshd[26619]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.108.11 
Sep 21 10:48:52 havingfunrightnow sshd[26619]: Failed password for invalid user zabbix from 193.112.108.11 port 38066 ssh2
Sep 21 11:05:34 havingfunrightnow sshd[27147]: Failed password for root from 193.112.108.11 port 53468 ssh2
...
2020-09-21 20:25:04
219.129.60.112 attackspambots
Listed on    zen-spamhaus also abuseat.org and dnsbl-sorbs   / proto=6  .  srcport=28986  .  dstport=23  .     (2342)
2020-09-21 20:52:31
103.146.202.150 attackbotsspam
103.146.202.150 - - \[21/Sep/2020:12:48:25 +0200\] "POST /wp-login.php HTTP/1.0" 200 8744 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
103.146.202.150 - - \[21/Sep/2020:12:48:28 +0200\] "POST /wp-login.php HTTP/1.0" 200 8572 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
103.146.202.150 - - \[21/Sep/2020:12:48:31 +0200\] "POST /wp-login.php HTTP/1.0" 200 8570 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2020-09-21 20:27:00
218.153.110.52 attackbots
Sep 20 19:03:56 vps639187 sshd\[29848\]: Invalid user guest from 218.153.110.52 port 33943
Sep 20 19:03:56 vps639187 sshd\[29848\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.153.110.52
Sep 20 19:03:58 vps639187 sshd\[29848\]: Failed password for invalid user guest from 218.153.110.52 port 33943 ssh2
...
2020-09-21 20:27:48
51.116.189.135 attack
SSH 2020-09-21 13:20:08	51.116.189.135	139.99.22.221	>	POST	sulutaktual.com	/wp-login.php	HTTP/1.1	-	-
2020-09-21 13:53:08	51.116.189.135	139.99.22.221	>	POST	sulutaktual.com	/wp-login.php	HTTP/1.1	-	-
2020-09-21 14:28:05	51.116.189.135	139.99.22.221	>	POST	sulutaktual.com	/wp-login.php	HTTP/1.1	-	-
2020-09-21 20:58:19
111.75.149.221 attack
Suspicious access to SMTP/POP/IMAP services.
2020-09-21 20:47:19
103.45.150.159 attackspambots
(sshd) Failed SSH login from 103.45.150.159 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 21 02:41:38 server5 sshd[21184]: Invalid user tomcat from 103.45.150.159
Sep 21 02:41:38 server5 sshd[21184]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.45.150.159 
Sep 21 02:41:40 server5 sshd[21184]: Failed password for invalid user tomcat from 103.45.150.159 port 40258 ssh2
Sep 21 02:50:15 server5 sshd[25155]: Invalid user ubuntu from 103.45.150.159
Sep 21 02:50:15 server5 sshd[25155]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.45.150.159
2020-09-21 20:45:35
222.186.175.216 attack
Sep 21 14:27:47 db sshd[6499]: User root from 222.186.175.216 not allowed because none of user's groups are listed in AllowGroups
...
2020-09-21 20:34:34
182.116.116.215 attackspam
 TCP (SYN) 182.116.116.215:44517 -> port 23, len 40
2020-09-21 20:24:05
51.38.191.126 attackspam
Sep 21 08:42:52 ip106 sshd[27214]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.191.126 
Sep 21 08:42:55 ip106 sshd[27214]: Failed password for invalid user user3 from 51.38.191.126 port 40200 ssh2
...
2020-09-21 20:31:42
157.245.211.180 attack
$f2bV_matches
2020-09-21 20:38:11
51.161.119.98 attack
48022/tcp 12022/tcp 30222/tcp...
[2020-08-17/09-20]19pkt,17pt.(tcp)
2020-09-21 20:48:54
103.219.112.31 attackbots
SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2020-09-21 20:39:45

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