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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.17.143
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9152
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.17.143.			IN	A

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

;; Query time: 45 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:18:28 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 143.17.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 143.17.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
190.11.11.30 attackspambots
REQUESTED PAGE: /wp-json/contact-form-7/v1/contact-forms/4/feedback
2020-05-04 16:47:24
103.249.51.218 attackspambots
Automatic report - Port Scan Attack
2020-05-04 16:43:31
177.68.156.24 attackbotsspam
SSH Brute Force
2020-05-04 17:02:43
111.93.4.174 attackbotsspam
2020-05-04T03:24:16.5436451495-001 sshd[8991]: Invalid user krx from 111.93.4.174 port 39912
2020-05-04T03:24:19.2825581495-001 sshd[8991]: Failed password for invalid user krx from 111.93.4.174 port 39912 ssh2
2020-05-04T03:28:37.0225301495-001 sshd[9123]: Invalid user ftpadmin from 111.93.4.174 port 49376
2020-05-04T03:28:37.0256401495-001 sshd[9123]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.4.174
2020-05-04T03:28:37.0225301495-001 sshd[9123]: Invalid user ftpadmin from 111.93.4.174 port 49376
2020-05-04T03:28:39.2576691495-001 sshd[9123]: Failed password for invalid user ftpadmin from 111.93.4.174 port 49376 ssh2
...
2020-05-04 16:31:10
162.243.138.119 attackbotsspam
[portscan] tcp/1433 [MsSQL]
*(RWIN=65535)(05041034)
2020-05-04 17:11:21
120.224.113.23 attack
May  4 00:32:38 NPSTNNYC01T sshd[23721]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.224.113.23
May  4 00:32:40 NPSTNNYC01T sshd[23721]: Failed password for invalid user user2 from 120.224.113.23 port 2606 ssh2
May  4 00:36:27 NPSTNNYC01T sshd[23960]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.224.113.23
...
2020-05-04 16:46:57
180.243.182.221 attack
1588564418 - 05/04/2020 05:53:38 Host: 180.243.182.221/180.243.182.221 Port: 445 TCP Blocked
2020-05-04 16:37:03
87.251.74.18 attackbotsspam
Triggered: repeated knocking on closed ports.
2020-05-04 16:35:19
163.172.118.125 attack
May  4 08:47:14 Ubuntu-1404-trusty-64-minimal sshd\[21102\]: Invalid user sp from 163.172.118.125
May  4 08:47:14 Ubuntu-1404-trusty-64-minimal sshd\[21102\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.118.125
May  4 08:47:16 Ubuntu-1404-trusty-64-minimal sshd\[21102\]: Failed password for invalid user sp from 163.172.118.125 port 55274 ssh2
May  4 08:51:13 Ubuntu-1404-trusty-64-minimal sshd\[23621\]: Invalid user sj from 163.172.118.125
May  4 08:51:13 Ubuntu-1404-trusty-64-minimal sshd\[23621\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.118.125
2020-05-04 16:46:21
83.30.80.254 attackbots
May  4 04:39:30 scw-6657dc sshd[4296]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.30.80.254
May  4 04:39:30 scw-6657dc sshd[4296]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.30.80.254
May  4 04:39:32 scw-6657dc sshd[4296]: Failed password for invalid user ftpuser from 83.30.80.254 port 48050 ssh2
...
2020-05-04 16:43:55
104.236.238.243 attack
2020-05-04T07:35:17.568626amanda2.illicoweb.com sshd\[26136\]: Invalid user aladin from 104.236.238.243 port 37456
2020-05-04T07:35:17.745054amanda2.illicoweb.com sshd\[26136\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.238.243
2020-05-04T07:35:20.454698amanda2.illicoweb.com sshd\[26136\]: Failed password for invalid user aladin from 104.236.238.243 port 37456 ssh2
2020-05-04T07:42:45.163516amanda2.illicoweb.com sshd\[26578\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.238.243  user=root
2020-05-04T07:42:47.040337amanda2.illicoweb.com sshd\[26578\]: Failed password for root from 104.236.238.243 port 43179 ssh2
...
2020-05-04 16:34:48
45.55.231.94 attack
May  4 08:38:49 vmd17057 sshd[25469]: Failed password for root from 45.55.231.94 port 49450 ssh2
...
2020-05-04 16:35:36
190.134.80.159 attackspambots
Unauthorized connection attempt detected from IP address 190.134.80.159 to port 445
2020-05-04 16:27:53
187.111.52.71 attackspambots
May  4 05:53:35 web01 sshd[18728]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.111.52.71 
May  4 05:53:37 web01 sshd[18728]: Failed password for invalid user admin from 187.111.52.71 port 34443 ssh2
...
2020-05-04 16:37:26
49.235.135.230 attackspambots
May  4 08:59:08 lukav-desktop sshd\[5213\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.135.230  user=root
May  4 08:59:10 lukav-desktop sshd\[5213\]: Failed password for root from 49.235.135.230 port 58040 ssh2
May  4 09:01:59 lukav-desktop sshd\[8050\]: Invalid user abhishek from 49.235.135.230
May  4 09:01:59 lukav-desktop sshd\[8050\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.135.230
May  4 09:02:01 lukav-desktop sshd\[8050\]: Failed password for invalid user abhishek from 49.235.135.230 port 33078 ssh2
2020-05-04 16:45:28

Recently Reported IPs

104.21.17.142 80.175.112.174 104.21.17.145 104.21.17.148
104.21.17.151 104.21.17.152 104.21.17.16 104.21.17.161
104.21.17.162 104.21.17.165 104.21.17.166 104.21.17.17
10.8.190.186 104.21.17.170 104.21.17.171 104.21.17.174
104.21.17.175 104.21.17.177 104.21.17.178 104.21.17.181