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:
IP Type Details Datetime
104.21.75.2 spam
Spammer blacklist in https://www.projecthoneypot.org/ip_104.21.75.2 https://multirbl.valli.org/lookup/104.21.75.2.html
2022-12-29 00:00:44
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.75.241
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12349
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.241.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:54:29 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 241.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 241.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.142.195.7 attackspambots
May 10 05:38:16 blackbee postfix/smtpd\[28398\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: authentication failure
May 10 05:39:04 blackbee postfix/smtpd\[28398\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: authentication failure
May 10 05:39:55 blackbee postfix/smtpd\[28398\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: authentication failure
May 10 05:40:48 blackbee postfix/smtpd\[28398\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: authentication failure
May 10 05:41:36 blackbee postfix/smtpd\[28398\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: authentication failure
...
2020-05-10 12:54:40
51.75.201.28 attackbots
May 10 03:52:59 ip-172-31-61-156 sshd[7178]: Failed password for invalid user zabbix from 51.75.201.28 port 47580 ssh2
May 10 03:52:57 ip-172-31-61-156 sshd[7178]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.201.28
May 10 03:52:57 ip-172-31-61-156 sshd[7178]: Invalid user zabbix from 51.75.201.28
May 10 03:52:59 ip-172-31-61-156 sshd[7178]: Failed password for invalid user zabbix from 51.75.201.28 port 47580 ssh2
May 10 03:56:31 ip-172-31-61-156 sshd[7299]: Invalid user debbie from 51.75.201.28
...
2020-05-10 12:33:12
195.231.3.181 attackbots
May 10 06:35:05 web01.agentur-b-2.de postfix/smtpd[124122]: warning: unknown[195.231.3.181]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 10 06:35:05 web01.agentur-b-2.de postfix/smtpd[124122]: lost connection after AUTH from unknown[195.231.3.181]
May 10 06:35:47 web01.agentur-b-2.de postfix/smtpd[152797]: warning: unknown[195.231.3.181]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 10 06:35:47 web01.agentur-b-2.de postfix/smtpd[152797]: lost connection after AUTH from unknown[195.231.3.181]
May 10 06:42:58 web01.agentur-b-2.de postfix/smtpd[152797]: warning: unknown[195.231.3.181]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 10 06:42:58 web01.agentur-b-2.de postfix/smtpd[152797]: lost connection after AUTH from unknown[195.231.3.181]
2020-05-10 13:06:33
185.156.73.52 attack
05/10/2020-00:25:43.529627 185.156.73.52 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-05-10 12:56:47
195.154.43.155 attack
May 10 06:43:30 piServer sshd[11736]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.154.43.155 
May 10 06:43:31 piServer sshd[11736]: Failed password for invalid user git from 195.154.43.155 port 53284 ssh2
May 10 06:47:14 piServer sshd[12280]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.154.43.155 
...
2020-05-10 13:02:50
51.159.58.91 attackspam
[MK-VM3] Blocked by UFW
2020-05-10 12:44:22
58.82.239.54 attackbotsspam
Lines containing failures of 58.82.239.54
May  8 21:42:07 shared03 sshd[1909]: Invalid user 3 from 58.82.239.54 port 25412
May  8 21:42:08 shared03 sshd[1909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.82.239.54
May  8 21:42:10 shared03 sshd[1909]: Failed password for invalid user 3 from 58.82.239.54 port 25412 ssh2
May  8 21:42:10 shared03 sshd[1909]: Connection closed by invalid user 3 58.82.239.54 port 25412 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=58.82.239.54
2020-05-10 12:46:32
190.187.112.3 attackspambots
May 10 05:55:57 sso sshd[11009]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.187.112.3
May 10 05:55:59 sso sshd[11009]: Failed password for invalid user user from 190.187.112.3 port 49424 ssh2
...
2020-05-10 12:57:43
91.218.85.69 attack
2020-05-10T13:50:16.926463vivaldi2.tree2.info sshd[26739]: Invalid user clark from 91.218.85.69
2020-05-10T13:50:16.940957vivaldi2.tree2.info sshd[26739]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.218.85.69
2020-05-10T13:50:16.926463vivaldi2.tree2.info sshd[26739]: Invalid user clark from 91.218.85.69
2020-05-10T13:50:19.141583vivaldi2.tree2.info sshd[26739]: Failed password for invalid user clark from 91.218.85.69 port 24196 ssh2
2020-05-10T13:54:13.224324vivaldi2.tree2.info sshd[26898]: Invalid user manu from 91.218.85.69
...
2020-05-10 12:58:06
40.127.1.79 attack
(smtpauth) Failed SMTP AUTH login from 40.127.1.79 (ZA/South Africa/-): 5 in the last 3600 secs
2020-05-10 12:27:08
68.183.107.155 attack
" "
2020-05-10 12:37:04
218.108.119.132 attack
May 10 06:44:22 localhost sshd\[30379\]: Invalid user www1 from 218.108.119.132
May 10 06:44:22 localhost sshd\[30379\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.108.119.132
May 10 06:44:25 localhost sshd\[30379\]: Failed password for invalid user www1 from 218.108.119.132 port 58380 ssh2
May 10 06:50:42 localhost sshd\[30802\]: Invalid user rocha from 218.108.119.132
May 10 06:50:42 localhost sshd\[30802\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.108.119.132
...
2020-05-10 13:01:19
52.200.80.202 attackbotsspam
May 10 06:28:50 vps647732 sshd[4827]: Failed password for root from 52.200.80.202 port 53502 ssh2
...
2020-05-10 12:45:55
185.32.147.163 attackspam
port scan and connect, tcp 80 (http)
2020-05-10 12:48:04
117.50.107.175 attackbots
invalid user
2020-05-10 12:38:13

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