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: None

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 <<>> 104.21.75.16
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30461
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.16.			IN	A

;; AUTHORITY SECTION:
.			108	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:48:26 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 16.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 16.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
60.173.195.87 attackspam
May  7 19:16:51 MainVPS sshd[24019]: Invalid user hjb from 60.173.195.87 port 49502
May  7 19:16:51 MainVPS sshd[24019]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.173.195.87
May  7 19:16:51 MainVPS sshd[24019]: Invalid user hjb from 60.173.195.87 port 49502
May  7 19:16:53 MainVPS sshd[24019]: Failed password for invalid user hjb from 60.173.195.87 port 49502 ssh2
May  7 19:21:35 MainVPS sshd[28380]: Invalid user dev from 60.173.195.87 port 26593
...
2020-05-08 02:51:30
2607:5300:120:373::1 attackbotsspam
20 attempts against mh-misbehave-ban on cedar
2020-05-08 02:37:12
51.91.56.130 attack
May  7 20:24:04 jane sshd[27851]: Failed password for root from 51.91.56.130 port 33757 ssh2
...
2020-05-08 03:09:32
184.185.2.128 attack
184.185.2.128
US
mail
dovecot
2020-05-07 09:43:13
2020-05-08 09:43:13
2020-05-08 02:44:32
204.12.197.234 attackbots
20 attempts against mh-misbehave-ban on pluto
2020-05-08 03:02:34
118.126.82.225 attackspam
2020-05-07T20:27:00.854568vps751288.ovh.net sshd\[6529\]: Invalid user aree from 118.126.82.225 port 52182
2020-05-07T20:27:00.863284vps751288.ovh.net sshd\[6529\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.126.82.225
2020-05-07T20:27:03.144612vps751288.ovh.net sshd\[6529\]: Failed password for invalid user aree from 118.126.82.225 port 52182 ssh2
2020-05-07T20:30:50.555409vps751288.ovh.net sshd\[6563\]: Invalid user ubuntu from 118.126.82.225 port 48528
2020-05-07T20:30:50.562832vps751288.ovh.net sshd\[6563\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.126.82.225
2020-05-08 02:57:20
106.12.176.128 attackbotsspam
May  7 20:38:26 inter-technics sshd[29713]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.176.128  user=root
May  7 20:38:28 inter-technics sshd[29713]: Failed password for root from 106.12.176.128 port 51296 ssh2
May  7 20:41:50 inter-technics sshd[30373]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.176.128  user=root
May  7 20:41:52 inter-technics sshd[30373]: Failed password for root from 106.12.176.128 port 36398 ssh2
May  7 20:45:15 inter-technics sshd[31093]: Invalid user sama from 106.12.176.128 port 49732
...
2020-05-08 02:57:42
81.28.104.11 attackspam
SpamScore above: 10.0
2020-05-08 02:43:45
162.243.158.198 attack
May  7 20:23:17 pve1 sshd[23221]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.158.198 
May  7 20:23:19 pve1 sshd[23221]: Failed password for invalid user demo from 162.243.158.198 port 50566 ssh2
...
2020-05-08 03:07:32
94.177.246.39 attackspam
May  7 20:19:31 h2779839 sshd[723]: Invalid user sunu from 94.177.246.39 port 42890
May  7 20:19:31 h2779839 sshd[723]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.177.246.39
May  7 20:19:31 h2779839 sshd[723]: Invalid user sunu from 94.177.246.39 port 42890
May  7 20:19:33 h2779839 sshd[723]: Failed password for invalid user sunu from 94.177.246.39 port 42890 ssh2
May  7 20:23:44 h2779839 sshd[791]: Invalid user kashif from 94.177.246.39 port 51542
May  7 20:23:44 h2779839 sshd[791]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.177.246.39
May  7 20:23:44 h2779839 sshd[791]: Invalid user kashif from 94.177.246.39 port 51542
May  7 20:23:46 h2779839 sshd[791]: Failed password for invalid user kashif from 94.177.246.39 port 51542 ssh2
May  7 20:28:09 h2779839 sshd[818]: Invalid user venom from 94.177.246.39 port 60194
...
2020-05-08 02:38:38
104.251.231.118 attack
May  7 12:44:14 datentool sshd[24925]: Invalid user ftpuser from 104.251.231.118
May  7 12:44:14 datentool sshd[24925]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.251.231.118 
May  7 12:44:16 datentool sshd[24925]: Failed password for invalid user ftpuser from 104.251.231.118 port 44808 ssh2
May  7 14:16:42 datentool sshd[25830]: Invalid user wrk from 104.251.231.118
May  7 14:16:42 datentool sshd[25830]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.251.231.118 
May  7 14:16:44 datentool sshd[25830]: Failed password for invalid user wrk from 104.251.231.118 port 53920 ssh2
May  7 14:22:48 datentool sshd[25884]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.251.231.118  user=r.r
May  7 14:22:50 datentool sshd[25884]: Failed password for r.r from 104.251.231.118 port 38310 ssh2
May  7 14:28:41 datentool sshd[25916]: pam_unix(sshd:au........
-------------------------------
2020-05-08 02:45:05
116.113.28.190 attackbots
(mod_security) mod_security (id:5000135) triggered by 116.113.28.190 (CN/China/-): 10 in the last 3600 secs
2020-05-08 03:09:20
101.78.9.186 attackspam
Wordpress Admin Login attack
2020-05-08 02:30:06
113.104.217.158 attackbotsspam
Unauthorized connection attempt detected from IP address 113.104.217.158 to port 23 [T]
2020-05-08 02:49:51
178.128.58.117 attackspam
"Unauthorized connection attempt on SSHD detected"
2020-05-08 02:58:48

Recently Reported IPs

13.226.228.49 104.21.75.197 104.21.75.219 104.21.75.220
104.21.75.23 104.21.75.235 104.21.75.248 58.139.241.66
104.21.75.250 104.21.75.30 104.21.75.46 13.229.138.144
13.229.38.212 13.229.158.142 13.229.31.159 13.229.130.91
13.228.80.14 13.229.235.180 13.230.102.29 13.229.176.6