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 <<>> 104.21.51.144
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2061
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.144.			IN	A

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

;; Query time: 69 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:35:07 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 144.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 144.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
98.189.134.115 attack
Invalid user benutzer from 98.189.134.115 port 47928
2020-04-02 17:40:36
45.133.99.8 attackbots
2020-04-02 11:20:34 dovecot_login authenticator failed for \(\[45.133.99.8\]\) \[45.133.99.8\]: 535 Incorrect authentication data \(set_id=ssl@nophost.com\)
2020-04-02 11:20:42 dovecot_login authenticator failed for \(\[45.133.99.8\]\) \[45.133.99.8\]: 535 Incorrect authentication data
2020-04-02 11:20:54 dovecot_login authenticator failed for \(\[45.133.99.8\]\) \[45.133.99.8\]: 535 Incorrect authentication data
2020-04-02 11:21:01 dovecot_login authenticator failed for \(\[45.133.99.8\]\) \[45.133.99.8\]: 535 Incorrect authentication data
2020-04-02 11:21:15 dovecot_login authenticator failed for \(\[45.133.99.8\]\) \[45.133.99.8\]: 535 Incorrect authentication data
2020-04-02 17:26:17
51.75.27.239 attack
Apr  2 08:45:37 pve sshd[16062]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.27.239 
Apr  2 08:45:40 pve sshd[16062]: Failed password for invalid user oracle from 51.75.27.239 port 41533 ssh2
Apr  2 08:55:19 pve sshd[17524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.27.239
2020-04-02 17:43:55
46.242.109.136 attackspam
port scan and connect, tcp 80 (http)
2020-04-02 17:09:48
82.148.18.109 attackspambots
Lines containing failures of 82.148.18.109
Apr  1 20:33:38 shared11 sshd[26037]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.148.18.109  user=r.r
Apr  1 20:33:41 shared11 sshd[26037]: Failed password for r.r from 82.148.18.109 port 60300 ssh2
Apr  1 20:33:41 shared11 sshd[26037]: Received disconnect from 82.148.18.109 port 60300:11: Bye Bye [preauth]
Apr  1 20:33:41 shared11 sshd[26037]: Disconnected from authenticating user r.r 82.148.18.109 port 60300 [preauth]
Apr  1 20:50:47 shared11 sshd[32092]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.148.18.109  user=r.r
Apr  1 20:50:50 shared11 sshd[32092]: Failed password for r.r from 82.148.18.109 port 44600 ssh2
Apr  1 20:50:50 shared11 sshd[32092]: Received disconnect from 82.148.18.109 port 44600:11: Bye Bye [preauth]
Apr  1 20:50:50 shared11 sshd[32092]: Disconnected from authenticating user r.r 82.148.18.109 port 44600 [preauth........
------------------------------
2020-04-02 17:14:05
5.196.140.219 attack
Apr  2 11:15:02 lukav-desktop sshd\[15254\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.140.219  user=root
Apr  2 11:15:04 lukav-desktop sshd\[15254\]: Failed password for root from 5.196.140.219 port 35375 ssh2
Apr  2 11:22:01 lukav-desktop sshd\[15524\]: Invalid user leiyt from 5.196.140.219
Apr  2 11:22:01 lukav-desktop sshd\[15524\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.140.219
Apr  2 11:22:03 lukav-desktop sshd\[15524\]: Failed password for invalid user leiyt from 5.196.140.219 port 50682 ssh2
2020-04-02 17:28:00
142.93.172.67 attackbots
Apr  2 09:54:46 h2646465 sshd[31936]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.172.67  user=root
Apr  2 09:54:47 h2646465 sshd[31936]: Failed password for root from 142.93.172.67 port 50408 ssh2
Apr  2 10:04:33 h2646465 sshd[1814]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.172.67  user=root
Apr  2 10:04:35 h2646465 sshd[1814]: Failed password for root from 142.93.172.67 port 54734 ssh2
Apr  2 10:08:04 h2646465 sshd[2598]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.172.67  user=root
Apr  2 10:08:06 h2646465 sshd[2598]: Failed password for root from 142.93.172.67 port 38180 ssh2
Apr  2 10:11:45 h2646465 sshd[3388]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.172.67  user=root
Apr  2 10:11:47 h2646465 sshd[3388]: Failed password for root from 142.93.172.67 port 49860 ssh2
Apr  2 10:15:30 h2646465 sshd[4208
2020-04-02 17:37:09
45.133.99.7 attack
Apr  2 11:14:11 relay postfix/smtpd\[1914\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 11:14:27 relay postfix/smtpd\[1841\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 11:17:50 relay postfix/smtpd\[1843\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 11:18:10 relay postfix/smtpd\[1914\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 11:18:27 relay postfix/smtpd\[1914\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-04-02 17:26:43
111.93.200.50 attackspambots
k+ssh-bruteforce
2020-04-02 17:45:38
39.122.31.56 attackspam
Automatic report - FTP Brute Force
2020-04-02 17:27:32
137.135.205.175 attackspam
Apr  2 10:13:37 mail.srvfarm.net postfix/smtps/smtpd[1847556]: warning: unknown[137.135.205.175]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 10:15:15 mail.srvfarm.net postfix/smtps/smtpd[1849374]: warning: unknown[137.135.205.175]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 10:16:59 mail.srvfarm.net postfix/smtps/smtpd[1847556]: warning: unknown[137.135.205.175]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 10:18:41 mail.srvfarm.net postfix/smtps/smtpd[1844706]: warning: unknown[137.135.205.175]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 10:20:25 mail.srvfarm.net postfix/smtps/smtpd[1864175]: warning: unknown[137.135.205.175]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-04-02 17:18:29
114.99.22.89 attack
Lines containing failures of 114.99.22.89


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=114.99.22.89
2020-04-02 17:18:58
39.78.232.208 attack
CN China - Failures: 20 ftpd
2020-04-02 17:36:49
195.231.3.188 attackbotsspam
Apr  2 10:50:37 mail.srvfarm.net postfix/smtpd[1864254]: warning: unknown[195.231.3.188]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 10:50:37 mail.srvfarm.net postfix/smtpd[1864254]: lost connection after AUTH from unknown[195.231.3.188]
Apr  2 10:51:48 mail.srvfarm.net postfix/smtpd[1867128]: lost connection after CONNECT from unknown[195.231.3.188]
Apr  2 10:58:12 mail.srvfarm.net postfix/smtpd[1870209]: warning: unknown[195.231.3.188]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 10:58:12 mail.srvfarm.net postfix/smtpd[1870209]: lost connection after AUTH from unknown[195.231.3.188]
2020-04-02 17:21:04
46.38.145.179 attack
SSH invalid-user multiple login try
2020-04-02 17:41:04

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