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 <<>> 104.21.81.89
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28963
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.89.			IN	A

;; AUTHORITY SECTION:
.			109	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 03:03:08 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 89.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 89.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.59.113.206 attackspam
Automatic report - Port Scan Attack
2020-09-19 01:40:42
59.120.189.234 attackbotsspam
Sep 18 17:29:20 OPSO sshd\[15607\]: Invalid user oracle from 59.120.189.234 port 38022
Sep 18 17:29:20 OPSO sshd\[15607\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.120.189.234
Sep 18 17:29:22 OPSO sshd\[15607\]: Failed password for invalid user oracle from 59.120.189.234 port 38022 ssh2
Sep 18 17:34:58 OPSO sshd\[17156\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.120.189.234  user=root
Sep 18 17:35:00 OPSO sshd\[17156\]: Failed password for root from 59.120.189.234 port 49530 ssh2
2020-09-19 01:07:36
170.233.68.153 attackbots
Sep 17 18:21:07 mail.srvfarm.net postfix/smtpd[143201]: warning: unknown[170.233.68.153]: SASL PLAIN authentication failed: 
Sep 17 18:21:08 mail.srvfarm.net postfix/smtpd[143201]: lost connection after AUTH from unknown[170.233.68.153]
Sep 17 18:21:39 mail.srvfarm.net postfix/smtpd[157369]: warning: unknown[170.233.68.153]: SASL PLAIN authentication failed: 
Sep 17 18:21:40 mail.srvfarm.net postfix/smtpd[157369]: lost connection after AUTH from unknown[170.233.68.153]
Sep 17 18:28:14 mail.srvfarm.net postfix/smtpd[157371]: warning: unknown[170.233.68.153]: SASL PLAIN authentication failed:
2020-09-19 02:03:26
177.85.142.179 attackbots
Sep 17 18:19:24 mail.srvfarm.net postfix/smtpd[143201]: warning: unknown[177.85.142.179]: SASL PLAIN authentication failed: 
Sep 17 18:19:25 mail.srvfarm.net postfix/smtpd[143201]: lost connection after AUTH from unknown[177.85.142.179]
Sep 17 18:25:13 mail.srvfarm.net postfix/smtps/smtpd[159171]: lost connection after CONNECT from unknown[177.85.142.179]
Sep 17 18:29:05 mail.srvfarm.net postfix/smtpd[157369]: warning: unknown[177.85.142.179]: SASL PLAIN authentication failed: 
Sep 17 18:29:06 mail.srvfarm.net postfix/smtpd[157369]: lost connection after AUTH from unknown[177.85.142.179]
2020-09-19 02:02:45
138.255.11.199 attackspam
Sep 17 18:43:43 mail.srvfarm.net postfix/smtps/smtpd[162813]: warning: unknown[138.255.11.199]: SASL PLAIN authentication failed: 
Sep 17 18:43:43 mail.srvfarm.net postfix/smtps/smtpd[162813]: lost connection after AUTH from unknown[138.255.11.199]
Sep 17 18:48:02 mail.srvfarm.net postfix/smtpd[163115]: warning: unknown[138.255.11.199]: SASL PLAIN authentication failed: 
Sep 17 18:48:02 mail.srvfarm.net postfix/smtpd[163115]: lost connection after AUTH from unknown[138.255.11.199]
Sep 17 18:52:10 mail.srvfarm.net postfix/smtpd[163481]: warning: unknown[138.255.11.199]: SASL PLAIN authentication failed:
2020-09-19 01:51:59
91.237.239.38 attack
Sep 17 18:37:07 mail.srvfarm.net postfix/smtpd[157368]: warning: unknown[91.237.239.38]: SASL PLAIN authentication failed: 
Sep 17 18:37:07 mail.srvfarm.net postfix/smtpd[157368]: lost connection after AUTH from unknown[91.237.239.38]
Sep 17 18:38:42 mail.srvfarm.net postfix/smtpd[156675]: warning: unknown[91.237.239.38]: SASL PLAIN authentication failed: 
Sep 17 18:38:42 mail.srvfarm.net postfix/smtpd[156675]: lost connection after AUTH from unknown[91.237.239.38]
Sep 17 18:44:59 mail.srvfarm.net postfix/smtpd[163114]: warning: unknown[91.237.239.38]: SASL PLAIN authentication failed:
2020-09-19 01:54:33
189.244.107.101 attackbots
1600361826 - 09/17/2020 18:57:06 Host: 189.244.107.101/189.244.107.101 Port: 445 TCP Blocked
2020-09-19 01:37:59
95.141.31.112 attackbotsspam
[Thu Sep 17 12:10:36 2020 GMT] "Credit Center"  [RDNS_NONE,HTML_IMAGE_ONLY_32], Subject: Need help with your Credit?
2020-09-19 01:37:31
106.12.84.83 attack
Sep 18 16:08:15 XXXXXX sshd[9775]: Invalid user vyatta from 106.12.84.83 port 35640
2020-09-19 01:44:27
179.125.62.112 attackspambots
(BR/Brazil/-) SMTP Bruteforcing attempts
2020-09-19 02:01:26
78.128.113.120 attackspam
Sep 18 19:57:55 relay postfix/smtpd\[24282\]: warning: unknown\[78.128.113.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 19:58:14 relay postfix/smtpd\[25259\]: warning: unknown\[78.128.113.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 20:01:28 relay postfix/smtpd\[24282\]: warning: unknown\[78.128.113.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 20:01:46 relay postfix/smtpd\[25289\]: warning: unknown\[78.128.113.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 20:02:16 relay postfix/smtpd\[25236\]: warning: unknown\[78.128.113.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-19 02:08:10
98.142.139.4 attackbots
2020-09-18T22:32:06.626384hostname sshd[47090]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=98.142.139.4.16clouds.com  user=root
2020-09-18T22:32:08.462704hostname sshd[47090]: Failed password for root from 98.142.139.4 port 55372 ssh2
...
2020-09-19 01:38:29
102.23.247.157 attackspam
Sep 17 18:32:24 mail.srvfarm.net postfix/smtpd[157370]: warning: unknown[102.23.247.157]: SASL PLAIN authentication failed: 
Sep 17 18:32:24 mail.srvfarm.net postfix/smtpd[157370]: lost connection after AUTH from unknown[102.23.247.157]
Sep 17 18:33:15 mail.srvfarm.net postfix/smtps/smtpd[155676]: warning: unknown[102.23.247.157]: SASL PLAIN authentication failed: 
Sep 17 18:33:15 mail.srvfarm.net postfix/smtps/smtpd[155676]: lost connection after AUTH from unknown[102.23.247.157]
Sep 17 18:34:58 mail.srvfarm.net postfix/smtpd[157368]: warning: unknown[102.23.247.157]: SASL PLAIN authentication failed:
2020-09-19 02:05:33
190.109.43.254 attackbots
Sep 17 18:21:52 mail.srvfarm.net postfix/smtpd[157366]: warning: unknown[190.109.43.254]: SASL PLAIN authentication failed: 
Sep 17 18:21:52 mail.srvfarm.net postfix/smtpd[157366]: lost connection after AUTH from unknown[190.109.43.254]
Sep 17 18:25:53 mail.srvfarm.net postfix/smtps/smtpd[155679]: warning: unknown[190.109.43.254]: SASL PLAIN authentication failed: 
Sep 17 18:25:54 mail.srvfarm.net postfix/smtps/smtpd[155679]: lost connection after AUTH from unknown[190.109.43.254]
Sep 17 18:30:42 mail.srvfarm.net postfix/smtpd[157367]: warning: unknown[190.109.43.254]: SASL PLAIN authentication failed:
2020-09-19 01:59:27
94.102.57.137 attackspam
Sep 17 20:57:14 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.57.137, lip=185.118.198.210, session=
Sep 17 20:58:38 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.57.137, lip=185.118.198.210, session=
Sep 17 20:58:44 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 6 secs): user=, method=PLAIN, rip=94.102.57.137, lip=185.118.198.210, session=<4bfY+IavFAxeZjmJ>
Sep 17 20:59:17 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.57.137, lip=185.118.198.210, session=
Sep 17 20:59:33 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=
2020-09-19 01:53:26

Recently Reported IPs

104.21.81.91 104.21.81.88 104.21.81.92 104.21.81.94
104.21.81.93 104.21.81.96 104.21.81.98 104.21.82.100
104.21.82.10 104.21.81.99 104.21.82.102 104.21.82.101
104.21.82.103 104.21.82.105 104.21.82.107 104.21.82.11
104.21.82.112 104.21.82.106 104.21.82.108 104.21.82.117