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 <<>> 104.21.75.223
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36363
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.223.			IN	A

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

;; Query time: 96 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:54:24 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 223.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 223.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
206.189.181.12 attack
srv02 Mass scanning activity detected Target: 23(telnet) ..
2020-05-13 06:43:13
159.65.140.38 attackbots
SSH Invalid Login
2020-05-13 06:13:46
61.170.235.191 attackspam
May 12 14:46:32 mockhub sshd[4688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.170.235.191
May 12 14:46:34 mockhub sshd[4688]: Failed password for invalid user teamspeak3 from 61.170.235.191 port 39118 ssh2
...
2020-05-13 06:10:54
61.147.115.140 attack
Port scan(s) (1) denied
2020-05-13 06:40:27
182.61.172.151 attack
Invalid user test from 182.61.172.151 port 11247
2020-05-13 06:05:09
49.234.158.131 attackbotsspam
2020-05-12T22:04:53.334794shield sshd\[29391\]: Invalid user musikbot from 49.234.158.131 port 56372
2020-05-12T22:04:53.338515shield sshd\[29391\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.158.131
2020-05-12T22:04:55.058232shield sshd\[29391\]: Failed password for invalid user musikbot from 49.234.158.131 port 56372 ssh2
2020-05-12T22:07:37.581379shield sshd\[30193\]: Invalid user ts3server from 49.234.158.131 port 57644
2020-05-12T22:07:37.584046shield sshd\[30193\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.158.131
2020-05-13 06:12:33
94.191.90.117 attackspambots
May 12 23:49:35 vmd17057 sshd[6770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.90.117 
May 12 23:49:37 vmd17057 sshd[6770]: Failed password for invalid user opuser from 94.191.90.117 port 36462 ssh2
...
2020-05-13 06:17:52
5.180.107.235 attackspambots
SpamScore above: 10.0
2020-05-13 06:10:43
222.186.175.216 attack
May 13 00:27:31 sso sshd[6191]: Failed password for root from 222.186.175.216 port 40202 ssh2
May 13 00:27:34 sso sshd[6191]: Failed password for root from 222.186.175.216 port 40202 ssh2
...
2020-05-13 06:31:22
180.76.168.54 attackspam
May 12 23:13:36 ovpn sshd\[20826\]: Invalid user jerry from 180.76.168.54
May 12 23:13:36 ovpn sshd\[20826\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.168.54
May 12 23:13:38 ovpn sshd\[20826\]: Failed password for invalid user jerry from 180.76.168.54 port 56896 ssh2
May 12 23:18:16 ovpn sshd\[21940\]: Invalid user test from 180.76.168.54
May 12 23:18:16 ovpn sshd\[21940\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.168.54
2020-05-13 06:21:38
185.2.140.155 attackspam
May 13 05:18:12 itv-usvr-01 sshd[13707]: Invalid user fred from 185.2.140.155
May 13 05:18:12 itv-usvr-01 sshd[13707]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.2.140.155
May 13 05:18:12 itv-usvr-01 sshd[13707]: Invalid user fred from 185.2.140.155
May 13 05:18:14 itv-usvr-01 sshd[13707]: Failed password for invalid user fred from 185.2.140.155 port 53022 ssh2
2020-05-13 06:28:49
123.49.47.26 attackbots
2020-05-12T22:16:24.989755server.espacesoutien.com sshd[14936]: Failed password for invalid user system from 123.49.47.26 port 46714 ssh2
2020-05-12T22:18:00.120905server.espacesoutien.com sshd[15433]: Invalid user student8 from 123.49.47.26 port 53252
2020-05-12T22:18:00.133993server.espacesoutien.com sshd[15433]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.49.47.26
2020-05-12T22:18:00.120905server.espacesoutien.com sshd[15433]: Invalid user student8 from 123.49.47.26 port 53252
2020-05-12T22:18:01.894703server.espacesoutien.com sshd[15433]: Failed password for invalid user student8 from 123.49.47.26 port 53252 ssh2
...
2020-05-13 06:41:42
62.234.129.7 attack
IP blocked
2020-05-13 06:45:14
118.89.160.141 attackbots
May 12 23:41:16 home sshd[14044]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.160.141
May 12 23:41:18 home sshd[14044]: Failed password for invalid user aaa from 118.89.160.141 port 47282 ssh2
May 12 23:46:43 home sshd[14867]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.160.141
...
2020-05-13 06:14:35
78.163.79.97 attackspambots
$f2bV_matches
2020-05-13 06:34:05

Recently Reported IPs

104.21.75.222 104.21.75.224 104.21.75.214 104.21.75.225
104.21.75.218 104.21.75.227 104.21.75.228 104.21.75.229
104.21.75.232 104.21.75.238 104.21.75.236 104.21.75.239
104.21.75.24 104.21.75.240 104.21.75.231 104.21.75.242
104.21.75.241 104.21.75.244 104.21.75.243 104.21.75.246