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 <<>> 104.21.81.164
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19885
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.164.			IN	A

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

;; Query time: 26 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:18 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 164.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 164.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
104.140.188.10 attackbotsspam
23/tcp 3306/tcp 3389/tcp...
[2019-06-07/07-24]30pkt,10pt.(tcp),2pt.(udp)
2019-07-26 11:42:09
85.26.40.243 attack
Jul 26 05:35:44 srv206 sshd[28784]: Invalid user mysql from 85.26.40.243
...
2019-07-26 11:50:16
59.36.132.222 attack
26.07.2019 02:14:10 HTTPs access blocked by firewall
2019-07-26 11:24:52
85.95.178.116 attackbotsspam
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-07-25 22:43:55,404 INFO [amun_request_handler] PortScan Detected on Port: 445 (85.95.178.116)
2019-07-26 11:46:21
165.227.10.163 attackbotsspam
Jul 25 23:12:58 xtremcommunity sshd\[12433\]: Invalid user teamspeak3 from 165.227.10.163 port 51124
Jul 25 23:12:58 xtremcommunity sshd\[12433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.10.163
Jul 25 23:13:00 xtremcommunity sshd\[12433\]: Failed password for invalid user teamspeak3 from 165.227.10.163 port 51124 ssh2
Jul 25 23:17:19 xtremcommunity sshd\[12497\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.10.163  user=root
Jul 25 23:17:21 xtremcommunity sshd\[12497\]: Failed password for root from 165.227.10.163 port 44480 ssh2
...
2019-07-26 11:20:02
183.88.224.175 attackspam
Jul 25 23:05:54 TORMINT sshd\[26177\]: Invalid user teste from 183.88.224.175
Jul 25 23:05:54 TORMINT sshd\[26177\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.88.224.175
Jul 25 23:05:56 TORMINT sshd\[26177\]: Failed password for invalid user teste from 183.88.224.175 port 58424 ssh2
...
2019-07-26 11:23:04
180.242.170.178 attackbotsspam
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-07-25 22:44:43,572 INFO [amun_request_handler] PortScan Detected on Port: 445 (180.242.170.178)
2019-07-26 11:38:11
37.189.70.118 attack
Invalid user steam from 37.189.70.118 port 39836
2019-07-26 11:22:31
196.15.211.91 attackspam
Jul 26 05:07:07 debian sshd\[31152\]: Invalid user insurgency from 196.15.211.91 port 39421
Jul 26 05:07:07 debian sshd\[31152\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=196.15.211.91
...
2019-07-26 12:19:08
111.29.27.97 attack
DATE:2019-07-26 01:03:48, IP:111.29.27.97, PORT:ssh brute force auth on SSH service (patata)
2019-07-26 11:55:05
119.28.88.140 attack
2019-07-26T03:06:09.057097abusebot-2.cloudsearch.cf sshd\[12843\]: Invalid user alfresco from 119.28.88.140 port 42924
2019-07-26 11:34:01
142.93.231.43 attackbotsspam
142.93.231.43 - - [26/Jul/2019:01:04:01 +0200] "GET /wp-login.php HTTP/1.1" 200 1122 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.231.43 - - [26/Jul/2019:01:04:05 +0200] "POST /wp-login.php HTTP/1.1" 200 1503 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.231.43 - - [26/Jul/2019:01:04:11 +0200] "GET /wp-login.php HTTP/1.1" 200 1122 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.231.43 - - [26/Jul/2019:01:04:15 +0200] "POST /wp-login.php HTTP/1.1" 200 1486 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.231.43 - - [26/Jul/2019:01:04:16 +0200] "GET /wp-login.php HTTP/1.1" 200 1122 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.231.43 - - [26/Jul/2019:01:04:18 +0200] "POST /wp-login.php HTTP/1.1" 200 1486 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2019-07-26 11:35:54
222.186.136.64 attackspambots
Jul 26 04:13:55 * sshd[2655]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.136.64
Jul 26 04:13:57 * sshd[2655]: Failed password for invalid user dummy from 222.186.136.64 port 43038 ssh2
2019-07-26 11:48:27
152.253.185.219 attack
99 failed attempt(s) in the last 24h
2019-07-26 12:24:45
92.53.65.123 attackbots
Splunk® : port scan detected:
Jul 25 21:30:50 testbed kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=82:c6:52:d1:6e:53:c0:42:d0:39:2c:30:08:00 SRC=92.53.65.123 DST=104.248.11.191 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=43247 PROTO=TCP SPT=44239 DPT=3879 WINDOW=1024 RES=0x00 SYN URGP=0
2019-07-26 11:47:36

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