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 <<>> 104.21.7.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33721
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.7.81.			IN	A

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

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:48:24 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 81.7.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.7.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
67.248.141.225 attack
...
2019-09-29 05:51:41
209.97.128.177 attackbots
Sep 28 17:21:45 ny01 sshd[22338]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.97.128.177
Sep 28 17:21:46 ny01 sshd[22338]: Failed password for invalid user gitlab_ci from 209.97.128.177 port 53098 ssh2
Sep 28 17:25:25 ny01 sshd[23446]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.97.128.177
2019-09-29 05:49:05
128.199.125.95 attackspam
Sep 28 22:52:51 icinga sshd[8402]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.125.95
Sep 28 22:52:53 icinga sshd[8402]: Failed password for invalid user judith from 128.199.125.95 port 46025 ssh2
...
2019-09-29 05:44:34
139.59.25.3 attackspam
Sep 28 11:25:32 hcbb sshd\[20779\]: Invalid user cpanel from 139.59.25.3
Sep 28 11:25:32 hcbb sshd\[20779\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.25.3
Sep 28 11:25:33 hcbb sshd\[20779\]: Failed password for invalid user cpanel from 139.59.25.3 port 59816 ssh2
Sep 28 11:30:16 hcbb sshd\[21216\]: Invalid user steamcmd from 139.59.25.3
Sep 28 11:30:16 hcbb sshd\[21216\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.25.3
2019-09-29 05:46:40
129.213.63.120 attack
Sep 28 23:16:50 dev0-dcfr-rnet sshd[23974]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.213.63.120
Sep 28 23:16:52 dev0-dcfr-rnet sshd[23974]: Failed password for invalid user di from 129.213.63.120 port 33364 ssh2
Sep 28 23:20:46 dev0-dcfr-rnet sshd[23989]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.213.63.120
2019-09-29 05:31:40
163.172.45.69 attackspam
Automated report - ssh fail2ban:
Sep 28 22:48:05 authentication failure 
Sep 28 22:48:06 wrong password, user=tomcat, port=41882, ssh2
Sep 28 22:51:59 authentication failure
2019-09-29 05:49:32
180.168.70.190 attackbotsspam
Sep 28 23:34:08 icinga sshd[12487]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.168.70.190
Sep 28 23:34:10 icinga sshd[12487]: Failed password for invalid user master from 180.168.70.190 port 38485 ssh2
...
2019-09-29 05:42:27
222.186.180.8 attackspam
F2B jail: sshd. Time: 2019-09-28 23:43:34, Reported by: VKReport
2019-09-29 05:46:15
51.255.168.30 attackbotsspam
Sep 28 23:00:27 SilenceServices sshd[22558]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.168.30
Sep 28 23:00:29 SilenceServices sshd[22558]: Failed password for invalid user laurie from 51.255.168.30 port 44842 ssh2
Sep 28 23:04:05 SilenceServices sshd[24824]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.168.30
2019-09-29 05:38:53
195.154.33.66 attack
Sep 28 23:29:53 ns37 sshd[20673]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.154.33.66
Sep 28 23:29:53 ns37 sshd[20673]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.154.33.66
2019-09-29 05:43:53
92.79.179.89 attackspam
22 attack
2019-09-29 05:37:50
94.74.142.217 attack
Telnetd brute force attack detected by fail2ban
2019-09-29 05:33:32
51.38.124.142 attackbotsspam
Sep 28 23:39:28 apollo sshd\[17280\]: Invalid user operator from 51.38.124.142Sep 28 23:39:29 apollo sshd\[17280\]: Failed password for invalid user operator from 51.38.124.142 port 60118 ssh2Sep 28 23:44:15 apollo sshd\[17317\]: Invalid user lt from 51.38.124.142
...
2019-09-29 05:51:58
129.204.109.127 attackbotsspam
detected by Fail2Ban
2019-09-29 05:45:42
104.74.78.101 attackspambots
09/28/2019-22:52:26.578143 104.74.78.101 Protocol: 6 SURICATA TLS invalid record/traffic
2019-09-29 06:03:43

Recently Reported IPs

104.21.71.145 104.21.7.79 104.21.7.8 104.21.7.78
104.21.7.82 104.21.7.87 104.21.7.91 104.21.7.92
104.21.7.95 104.21.70.10 104.21.71.149 104.21.70.109
104.21.70.115 104.21.70.124 104.21.70.12 104.21.70.123
104.21.70.128 104.21.70.129 104.21.70.135 104.21.70.133