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 <<>> 104.21.71.168
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10949
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.71.168.			IN	A

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

;; Query time: 55 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:49:34 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 168.71.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 168.71.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
217.112.128.130 attackspambots
Postfix RBL failed
2019-10-27 21:51:14
95.78.204.171 attack
Chat Spam
2019-10-27 21:55:40
116.74.92.236 attackbots
" "
2019-10-27 21:41:34
45.125.65.99 attackspam
\[2019-10-27 09:50:24\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-27T09:50:24.271-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00348556213011",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.125.65.99/51967",ACLName="no_extension_match"
\[2019-10-27 09:50:30\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-27T09:50:30.254-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00248556213011",SessionID="0x7fdf2c144d18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.125.65.99/57431",ACLName="no_extension_match"
\[2019-10-27 09:50:36\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-27T09:50:36.985-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01048556213011",SessionID="0x7fdf2c567918",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.125.65.99/62505",ACLName="no_extension
2019-10-27 22:06:43
51.77.231.161 attackbotsspam
$f2bV_matches
2019-10-27 22:06:16
188.166.228.244 attackbots
Oct 27 10:10:14 firewall sshd[19964]: Invalid user passfeel from 188.166.228.244
Oct 27 10:10:16 firewall sshd[19964]: Failed password for invalid user passfeel from 188.166.228.244 port 43390 ssh2
Oct 27 10:16:34 firewall sshd[20092]: Invalid user fe from 188.166.228.244
...
2019-10-27 22:13:57
142.44.247.77 attackspambots
Oct 27 05:52:39 foo sshd[10044]: Did not receive identification string from 142.44.247.77
Oct 27 05:54:14 foo sshd[10051]: Invalid user abdulmadz from 142.44.247.77
Oct 27 05:54:16 foo sshd[10051]: Failed password for invalid user abdulmadz from 142.44.247.77 port 55788 ssh2
Oct 27 05:54:16 foo sshd[10051]: Received disconnect from 142.44.247.77: 11: Bye Bye [preauth]
Oct 27 05:54:35 foo sshd[10055]: Invalid user abet from 142.44.247.77
Oct 27 05:54:37 foo sshd[10055]: Failed password for invalid user abet from 142.44.247.77 port 55928 ssh2
Oct 27 05:54:37 foo sshd[10055]: Received disconnect from 142.44.247.77: 11: Bye Bye [preauth]
Oct 27 05:54:57 foo sshd[10057]: Invalid user abhie143 from 142.44.247.77
Oct 27 05:54:59 foo sshd[10057]: Failed password for invalid user abhie143 from 142.44.247.77 port 56036 ssh2
Oct 27 05:54:59 foo sshd[10057]: Received disconnect from 142.44.247.77: 11: Bye Bye [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=142
2019-10-27 22:16:17
183.145.61.35 attack
IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/183.145.61.35/ 
 
 CN - 1H : (711)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : CN 
 NAME ASN : ASN4134 
 
 IP : 183.145.61.35 
 
 CIDR : 183.144.0.0/15 
 
 PREFIX COUNT : 5430 
 
 UNIQUE IP COUNT : 106919680 
 
 
 ATTACKS DETECTED ASN4134 :  
  1H - 37 
  3H - 85 
  6H - 182 
 12H - 326 
 24H - 329 
 
 DateTime : 2019-10-27 13:07:43 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-10-27 21:41:08
191.5.0.122 attack
Oct 27 03:37:09 wbs sshd\[31951\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.5.0.122.razaoinfo.com.br  user=root
Oct 27 03:37:11 wbs sshd\[31951\]: Failed password for root from 191.5.0.122 port 31743 ssh2
Oct 27 03:42:30 wbs sshd\[32539\]: Invalid user teamspeak3 from 191.5.0.122
Oct 27 03:42:30 wbs sshd\[32539\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.5.0.122.razaoinfo.com.br
Oct 27 03:42:32 wbs sshd\[32539\]: Failed password for invalid user teamspeak3 from 191.5.0.122 port 14842 ssh2
2019-10-27 22:18:33
104.211.241.225 attack
Oct 27 09:28:42 wordpress sshd[3675]: Did not receive identification string from 104.211.241.225
Oct 27 09:30:35 wordpress sshd[3712]: Received disconnect from 104.211.241.225 port 52482:11: Normal Shutdown, Thank you for playing [preauth]
Oct 27 09:30:35 wordpress sshd[3712]: Disconnected from 104.211.241.225 port 52482 [preauth]
Oct 27 09:31:27 wordpress sshd[3725]: Received disconnect from 104.211.241.225 port 36844:11: Normal Shutdown, Thank you for playing [preauth]
Oct 27 09:31:27 wordpress sshd[3725]: Disconnected from 104.211.241.225 port 36844 [preauth]
Oct 27 09:32:19 wordpress sshd[3738]: Invalid user hadoop from 104.211.241.225
Oct 27 09:32:19 wordpress sshd[3738]: Received disconnect from 104.211.241.225 port 49498:11: Normal Shutdown, Thank you for playing [preauth]
Oct 27 09:32:19 wordpress sshd[3738]: Disconnected from 104.211.241.225 port 49498 [preauth]
Oct 27 09:33:11 wordpress sshd[3753]: Received disconnect from 104.211.241.225 port 33826:11: Normal........
-------------------------------
2019-10-27 22:08:55
45.114.171.92 attack
Oct 27 08:09:03 DNS-2 sshd[10372]: User r.r from 45.114.171.92 not allowed because not listed in AllowUsers
Oct 27 08:09:03 DNS-2 sshd[10372]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.114.171.92  user=r.r
Oct 27 08:09:05 DNS-2 sshd[10372]: Failed password for invalid user r.r from 45.114.171.92 port 60631 ssh2
Oct 27 08:09:07 DNS-2 sshd[10372]: Received disconnect from 45.114.171.92 port 60631:11: Bye Bye [preauth]
Oct 27 08:09:07 DNS-2 sshd[10372]: Disconnected from invalid user r.r 45.114.171.92 port 60631 [preauth]
Oct 27 08:32:10 DNS-2 sshd[11568]: Invalid user abisset from 45.114.171.92 port 45725
Oct 27 08:32:10 DNS-2 sshd[11568]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.114.171.92 
Oct 27 08:32:11 DNS-2 sshd[11568]: Failed password for invalid user abisset from 45.114.171.92 port 45725 ssh2
Oct 27 08:32:13 DNS-2 sshd[11568]: Received disconnect from 45.114.171.92 p........
-------------------------------
2019-10-27 21:52:38
178.49.58.151 attack
Chat Spam
2019-10-27 22:07:29
175.151.92.229 attackbotsspam
Port Scan
2019-10-27 22:24:22
106.13.142.115 attack
failed root login
2019-10-27 22:03:25
144.217.80.190 attack
144.217.80.190 - - \[27/Oct/2019:12:07:32 +0000\] "POST /wp-login.php HTTP/1.1" 200 4358 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
144.217.80.190 - - \[27/Oct/2019:12:07:32 +0000\] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...
2019-10-27 21:50:34

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