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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.75.185
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13600
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.185.			IN	A

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

;; Query time: 66 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:54:13 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 185.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 185.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
63.81.87.130 attackspam
Jan  1 16:36:31 grey postfix/smtpd\[12766\]: NOQUEUE: reject: RCPT from known.vidyad.com\[63.81.87.130\]: 554 5.7.1 Service unavailable\; Client host \[63.81.87.130\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[63.81.87.130\]\; from=\ to=\ proto=ESMTP helo=\
...
2020-01-02 05:01:09
165.227.189.234 attackspam
POST /wp-config.php.php
POST /wp-cron.php
POST /wp-guide.php
POST /wp-index.php
2020-01-02 05:09:51
196.52.43.53 attackspam
Unauthorized connection attempt detected from IP address 196.52.43.53 to port 143
2020-01-02 04:56:54
177.46.143.160 attackbots
1577889845 - 01/01/2020 15:44:05 Host: 177.46.143.160/177.46.143.160 Port: 445 TCP Blocked
2020-01-02 05:00:11
76.19.203.22 attackbots
Automatic report - SSH Brute-Force Attack
2020-01-02 05:09:04
218.92.0.199 attackspambots
Jan  1 19:44:18 amit sshd\[16915\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.199  user=root
Jan  1 19:44:21 amit sshd\[16915\]: Failed password for root from 218.92.0.199 port 34937 ssh2
Jan  1 19:46:04 amit sshd\[15328\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.199  user=root
...
2020-01-02 04:55:49
198.211.123.196 attackbots
Jan  1 20:00:42 dev0-dcde-rnet sshd[17302]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.211.123.196
Jan  1 20:00:43 dev0-dcde-rnet sshd[17302]: Failed password for invalid user silviu from 198.211.123.196 port 46828 ssh2
Jan  1 20:03:22 dev0-dcde-rnet sshd[17315]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.211.123.196
2020-01-02 05:10:33
129.204.2.182 attackspambots
Jan  1 21:52:28 sxvn sshd[2880553]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.2.182
2020-01-02 04:54:11
51.254.141.18 attackbots
2020-01-01T09:36:51.039699xentho-1 sshd[357876]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.141.18  user=root
2020-01-01T09:36:53.258403xentho-1 sshd[357876]: Failed password for root from 51.254.141.18 port 47932 ssh2
2020-01-01T09:38:25.791065xentho-1 sshd[357894]: Invalid user wolfram from 51.254.141.18 port 34184
2020-01-01T09:38:25.798913xentho-1 sshd[357894]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.141.18
2020-01-01T09:38:25.791065xentho-1 sshd[357894]: Invalid user wolfram from 51.254.141.18 port 34184
2020-01-01T09:38:27.255537xentho-1 sshd[357894]: Failed password for invalid user wolfram from 51.254.141.18 port 34184 ssh2
2020-01-01T09:40:04.442695xentho-1 sshd[357918]: Invalid user lisa from 51.254.141.18 port 48810
2020-01-01T09:40:04.448262xentho-1 sshd[357918]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.141.18
2020-
...
2020-01-02 04:42:56
94.214.134.8 attackbotsspam
Jan  1 20:07:00 eventyay sshd[2385]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.214.134.8
Jan  1 20:07:00 eventyay sshd[2389]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.214.134.8
Jan  1 20:07:02 eventyay sshd[2385]: Failed password for invalid user pi from 94.214.134.8 port 46148 ssh2
...
2020-01-02 04:41:41
188.128.39.127 attackspam
Failed password for root from 188.128.39.127 port 60326 ssh2
2020-01-02 04:56:39
185.175.93.18 attackspambots
Jan  1 21:18:55 h2177944 kernel: \[1108566.300371\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.175.93.18 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=46643 PROTO=TCP SPT=51393 DPT=16089 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan  1 21:18:55 h2177944 kernel: \[1108566.300386\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.175.93.18 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=46643 PROTO=TCP SPT=51393 DPT=16089 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan  1 21:29:59 h2177944 kernel: \[1109229.599327\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.175.93.18 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=56039 PROTO=TCP SPT=51393 DPT=19289 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan  1 21:39:18 h2177944 kernel: \[1109788.786024\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.175.93.18 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=9600 PROTO=TCP SPT=51393 DPT=7689 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan  1 21:39:18 h2177944 kernel: \[1109788.786038\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.175.93.18 DST=85.214.117
2020-01-02 04:47:25
77.46.136.158 attack
Jan  1 19:42:04 hell sshd[25319]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.46.136.158
Jan  1 19:42:06 hell sshd[25319]: Failed password for invalid user template from 77.46.136.158 port 35512 ssh2
...
2020-01-02 04:46:02
176.43.206.248 attackspam
Jan  1 19:56:19 vpn01 sshd[31582]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.43.206.248
Jan  1 19:56:21 vpn01 sshd[31582]: Failed password for invalid user admin from 176.43.206.248 port 10541 ssh2
...
2020-01-02 04:46:16
78.134.73.214 attackbots
3389BruteforceFW22
2020-01-02 04:43:24

Recently Reported IPs

104.21.75.187 104.21.75.183 104.21.75.192 104.21.75.19
104.21.75.193 104.21.75.190 104.21.75.186 104.21.75.188
104.21.75.194 104.21.75.195 104.21.75.199 104.21.75.198
104.21.75.196 104.21.75.20 104.21.75.200 104.21.75.208
104.21.75.203 104.21.75.205 104.21.75.206 104.21.75.209