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 <<>> 104.21.71.52
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37959
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.71.52.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 113 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:50:05 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 52.71.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 52.71.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
220.142.217.147 attack
port 23 attempt blocked
2019-09-14 20:22:40
49.88.112.80 attackbotsspam
14.09.2019 12:24:08 SSH access blocked by firewall
2019-09-14 20:30:07
185.104.185.96 attackbotsspam
SQL injection:/index.php?menu_selected=144&sub_menu_selected=1024&language=FR&START_PRJ=20141001&orderby=START_PRJ&numero_page=461'
2019-09-14 19:49:37
167.114.153.77 attackbotsspam
2019-09-14T10:29:57.863381abusebot-5.cloudsearch.cf sshd\[16994\]: Invalid user liza from 167.114.153.77 port 47080
2019-09-14 20:21:18
162.218.64.59 attack
Sep 14 01:59:06 hiderm sshd\[29160\]: Invalid user monitor from 162.218.64.59
Sep 14 01:59:06 hiderm sshd\[29160\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.218.64.59
Sep 14 01:59:08 hiderm sshd\[29160\]: Failed password for invalid user monitor from 162.218.64.59 port 43683 ssh2
Sep 14 02:03:05 hiderm sshd\[29461\]: Invalid user mohsin from 162.218.64.59
Sep 14 02:03:05 hiderm sshd\[29461\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.218.64.59
2019-09-14 20:30:34
213.14.164.98 attack
port 23 attempt blocked
2019-09-14 20:23:23
107.174.70.17 attackbotsspam
Sep 14 13:48:10 staklim-malang postfix/smtpd[29880]: lost connection after CONNECT from unknown[107.174.70.17]
...
2019-09-14 20:25:39
218.73.143.234 attack
Sep 14 08:40:27 garuda postfix/smtpd[9451]: warning: hostname 234.143.73.218.broad.wz.zj.dynamic.163data.com.cn does not resolve to address 218.73.143.234: Name or service not known
Sep 14 08:40:27 garuda postfix/smtpd[9451]: connect from unknown[218.73.143.234]
Sep 14 08:40:28 garuda postfix/smtpd[9453]: warning: hostname 234.143.73.218.broad.wz.zj.dynamic.163data.com.cn does not resolve to address 218.73.143.234: Name or service not known
Sep 14 08:40:28 garuda postfix/smtpd[9453]: connect from unknown[218.73.143.234]
Sep 14 08:40:32 garuda postfix/smtpd[9453]: warning: unknown[218.73.143.234]: SASL LOGIN authentication failed: authentication failure
Sep 14 08:40:33 garuda postfix/smtpd[9453]: lost connection after AUTH from unknown[218.73.143.234]
Sep 14 08:40:33 garuda postfix/smtpd[9453]: disconnect from unknown[218.73.143.234] ehlo=1 auth=0/1 commands=1/2
Sep 14 08:40:34 garuda postfix/smtpd[9453]: warning: hostname 234.143.73.218.broad.wz.zj.dynamic.163data.com.c........
-------------------------------
2019-09-14 20:02:10
190.210.247.106 attackspam
2019-09-14T07:32:39.002535WS-Zach sshd[15052]: Invalid user spring from 190.210.247.106 port 54766
2019-09-14T07:32:39.005945WS-Zach sshd[15052]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.210.247.106
2019-09-14T07:32:39.002535WS-Zach sshd[15052]: Invalid user spring from 190.210.247.106 port 54766
2019-09-14T07:32:40.852081WS-Zach sshd[15052]: Failed password for invalid user spring from 190.210.247.106 port 54766 ssh2
2019-09-14T07:45:11.967839WS-Zach sshd[21770]: Invalid user will from 190.210.247.106 port 40994
...
2019-09-14 19:45:48
120.52.152.17 attackspambots
09/14/2019-07:43:48.135495 120.52.152.17 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-09-14 19:52:14
3.130.10.141 attackbotsspam
ft-1848-fussball.de 3.130.10.141 \[14/Sep/2019:08:48:38 +0200\] "POST /wp-login.php HTTP/1.1" 200 2298 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
ft-1848-fussball.de 3.130.10.141 \[14/Sep/2019:08:48:41 +0200\] "POST /wp-login.php HTTP/1.1" 200 2256 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-09-14 20:03:39
193.32.163.182 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2019-09-14 19:58:35
124.115.112.182 attackspambots
19/9/14@05:13:11: FAIL: Alarm-SSH address from=124.115.112.182
...
2019-09-14 20:23:51
58.163.138.61 attackbotsspam
SMB Server BruteForce Attack
2019-09-14 20:37:07
103.40.132.19 attackspam
Automatic report - Banned IP Access
2019-09-14 20:36:00

Recently Reported IPs

104.21.71.53 104.21.71.51 104.21.71.54 104.21.71.55
104.21.71.56 104.21.71.58 104.21.71.57 104.21.71.59
104.21.71.60 104.21.71.63 104.21.71.67 104.21.71.64
104.21.71.69 104.21.71.70 104.21.71.7 104.21.71.65
104.21.71.68 104.21.71.61 104.21.71.73 104.21.71.72