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 <<>> 104.21.81.165
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37446
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.165.			IN	A

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

;; Query time: 24 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:19 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 165.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 165.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
138.68.95.204 attack
srv02 Mass scanning activity detected Target: 5144  ..
2020-10-05 05:04:57
34.93.0.165 attack
Oct  2 14:07:55 roki-contabo sshd\[1169\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.93.0.165  user=root
Oct  2 14:07:56 roki-contabo sshd\[1169\]: Failed password for root from 34.93.0.165 port 16044 ssh2
Oct  2 14:16:36 roki-contabo sshd\[1487\]: Invalid user target from 34.93.0.165
Oct  2 14:16:36 roki-contabo sshd\[1487\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.93.0.165
Oct  2 14:16:38 roki-contabo sshd\[1487\]: Failed password for invalid user target from 34.93.0.165 port 52930 ssh2
Oct  2 14:07:55 roki-contabo sshd\[1169\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.93.0.165  user=root
Oct  2 14:07:56 roki-contabo sshd\[1169\]: Failed password for root from 34.93.0.165 port 16044 ssh2
Oct  2 14:16:36 roki-contabo sshd\[1487\]: Invalid user target from 34.93.0.165
Oct  2 14:16:36 roki-contabo sshd\[1487\]: pam_unix\(sshd:auth
...
2020-10-05 05:02:21
123.149.211.140 attackbotsspam
Lines containing failures of 123.149.211.140 (max 1000)
Oct  3 19:22:20 UTC__SANYALnet-Labs__cac1 sshd[22204]: Connection from 123.149.211.140 port 5243 on 64.137.179.160 port 22
Oct  3 19:22:21 UTC__SANYALnet-Labs__cac1 sshd[22204]: Invalid user admin from 123.149.211.140 port 5243
Oct  3 19:22:21 UTC__SANYALnet-Labs__cac1 sshd[22204]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.149.211.140
Oct  3 19:22:23 UTC__SANYALnet-Labs__cac1 sshd[22204]: Failed password for invalid user admin from 123.149.211.140 port 5243 ssh2
Oct  3 19:22:23 UTC__SANYALnet-Labs__cac1 sshd[22204]: Received disconnect from 123.149.211.140 port 5243:11: Bye Bye [preauth]
Oct  3 19:22:23 UTC__SANYALnet-Labs__cac1 sshd[22204]: Disconnected from 123.149.211.140 port 5243 [preauth]
Oct  3 19:25:38 UTC__SANYALnet-Labs__cac1 sshd[22319]: Connection from 123.149.211.140 port 5360 on 64.137.179.160 port 22
Oct  3 19:25:40 UTC__SANYALnet-Labs__cac1 sshd[22319........
------------------------------
2020-10-05 05:15:58
122.51.41.36 attackspam
(sshd) Failed SSH login from 122.51.41.36 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  4 14:29:10 optimus sshd[21258]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.41.36  user=root
Oct  4 14:29:12 optimus sshd[21258]: Failed password for root from 122.51.41.36 port 40002 ssh2
Oct  4 14:32:58 optimus sshd[22861]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.41.36  user=root
Oct  4 14:33:00 optimus sshd[22861]: Failed password for root from 122.51.41.36 port 59728 ssh2
Oct  4 14:36:20 optimus sshd[24264]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.41.36  user=root
2020-10-05 05:04:11
182.61.2.67 attack
Oct  4 13:44:00 vps647732 sshd[17789]: Failed password for root from 182.61.2.67 port 45646 ssh2
...
2020-10-05 05:09:53
185.40.241.179 attack
Oct  3 22:36:10 mail.srvfarm.net postfix/smtps/smtpd[664799]: warning: unknown[185.40.241.179]: SASL PLAIN authentication failed: 
Oct  3 22:36:11 mail.srvfarm.net postfix/smtps/smtpd[664799]: lost connection after AUTH from unknown[185.40.241.179]
Oct  3 22:38:01 mail.srvfarm.net postfix/smtpd[661686]: warning: unknown[185.40.241.179]: SASL PLAIN authentication failed: 
Oct  3 22:38:01 mail.srvfarm.net postfix/smtpd[661686]: lost connection after AUTH from unknown[185.40.241.179]
Oct  3 22:40:21 mail.srvfarm.net postfix/smtpd[660363]: warning: unknown[185.40.241.179]: SASL PLAIN authentication failed:
2020-10-05 05:19:06
185.132.53.145 attack
2020-10-04T00:19:55.319686snf-827550 sshd[7118]: Invalid user oracle from 185.132.53.145 port 41440
2020-10-04T00:19:56.654396snf-827550 sshd[7118]: Failed password for invalid user oracle from 185.132.53.145 port 41440 ssh2
2020-10-04T00:19:58.686112snf-827550 sshd[7120]: Invalid user nagios from 185.132.53.145 port 48806
...
2020-10-05 05:14:04
207.204.110.66 attack
php WP PHPmyadamin ABUSE blocked for 12h
2020-10-05 04:56:26
218.92.0.184 attackbotsspam
Oct  4 22:45:02 minden010 sshd[21985]: Failed password for root from 218.92.0.184 port 25598 ssh2
Oct  4 22:45:06 minden010 sshd[21985]: Failed password for root from 218.92.0.184 port 25598 ssh2
Oct  4 22:45:09 minden010 sshd[21985]: Failed password for root from 218.92.0.184 port 25598 ssh2
Oct  4 22:45:12 minden010 sshd[21985]: Failed password for root from 218.92.0.184 port 25598 ssh2
...
2020-10-05 04:56:01
36.90.252.105 attackbotsspam
1601757674 - 10/03/2020 22:41:14 Host: 36.90.252.105/36.90.252.105 Port: 445 TCP Blocked
2020-10-05 05:08:01
51.178.142.175 attackspam
Oct  4 11:31:43 server sshd[25750]: Failed password for root from 51.178.142.175 port 40870 ssh2
Oct  4 11:35:27 server sshd[27704]: Failed password for invalid user oratest from 51.178.142.175 port 48648 ssh2
Oct  4 11:38:51 server sshd[29495]: Failed password for invalid user yang from 51.178.142.175 port 56466 ssh2
2020-10-05 05:16:10
117.69.191.153 attackbotsspam
Oct  4 00:47:30 srv01 postfix/smtpd\[13707\]: warning: unknown\[117.69.191.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 00:47:41 srv01 postfix/smtpd\[13707\]: warning: unknown\[117.69.191.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 00:47:57 srv01 postfix/smtpd\[13707\]: warning: unknown\[117.69.191.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 00:48:17 srv01 postfix/smtpd\[13707\]: warning: unknown\[117.69.191.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 00:48:29 srv01 postfix/smtpd\[13707\]: warning: unknown\[117.69.191.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-10-05 05:05:13
190.109.43.205 attackbotsspam
Oct  3 22:26:38 mail.srvfarm.net postfix/smtpd[660374]: warning: unknown[190.109.43.205]: SASL PLAIN authentication failed: 
Oct  3 22:26:39 mail.srvfarm.net postfix/smtpd[660374]: lost connection after AUTH from unknown[190.109.43.205]
Oct  3 22:32:48 mail.srvfarm.net postfix/smtps/smtpd[663268]: warning: unknown[190.109.43.205]: SASL PLAIN authentication failed: 
Oct  3 22:32:48 mail.srvfarm.net postfix/smtps/smtpd[663268]: lost connection after AUTH from unknown[190.109.43.205]
Oct  3 22:33:03 mail.srvfarm.net postfix/smtps/smtpd[662243]: warning: unknown[190.109.43.205]: SASL PLAIN authentication failed:
2020-10-05 05:18:06
112.85.42.230 attackbotsspam
Oct  4 23:08:49 theomazars sshd[10915]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.230  user=root
Oct  4 23:08:50 theomazars sshd[10915]: Failed password for root from 112.85.42.230 port 43388 ssh2
2020-10-05 05:12:33
159.65.64.76 attack
TCP port : 88
2020-10-05 05:09:06

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