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:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.90.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53292
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.90.66.			IN	A

;; AUTHORITY SECTION:
.			596	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:22:07 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.90.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.90.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
111.231.32.127 attack
DATE:2020-04-26 00:28:52, IP:111.231.32.127, PORT:ssh SSH brute force auth (docker-dc)
2020-04-26 06:45:25
185.74.4.17 attackspam
Invalid user admin from 185.74.4.17 port 44643
2020-04-26 06:39:53
141.98.11.113 attackbotsspam
[ER hit] Tried to deliver spam. Already well known.
2020-04-26 06:58:32
123.28.147.39 attack
Automatic report - Port Scan Attack
2020-04-26 06:41:02
123.206.26.133 attackspambots
Apr 24 14:59:39 h1637304 sshd[21676]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.26.133 
Apr 24 14:59:42 h1637304 sshd[21676]: Failed password for invalid user accampo from 123.206.26.133 port 54664 ssh2
Apr 24 14:59:42 h1637304 sshd[21676]: Received disconnect from 123.206.26.133: 11: Bye Bye [preauth]
Apr 24 15:07:06 h1637304 sshd[30973]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.26.133 
Apr 24 15:07:08 h1637304 sshd[30973]: Failed password for invalid user elena from 123.206.26.133 port 48540 ssh2
Apr 24 15:07:08 h1637304 sshd[30973]: Received disconnect from 123.206.26.133: 11: Bye Bye [preauth]
Apr 24 15:10:25 h1637304 sshd[3268]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.26.133 
Apr 24 15:10:27 h1637304 sshd[3268]: Failed password for invalid user silverline from 123.206.26.133 port 52256 ssh2
Apr 24 15:10........
-------------------------------
2020-04-26 06:44:28
185.50.149.15 attackbotsspam
Apr 25 23:55:36 mail.srvfarm.net postfix/smtpd[1191015]: warning: unknown[185.50.149.15]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 25 23:55:36 mail.srvfarm.net postfix/smtpd[1191015]: lost connection after AUTH from unknown[185.50.149.15]
Apr 25 23:55:37 mail.srvfarm.net postfix/smtps/smtpd[1191014]: warning: unknown[185.50.149.15]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 25 23:55:37 mail.srvfarm.net postfix/smtps/smtpd[1191014]: lost connection after AUTH from unknown[185.50.149.15]
Apr 25 23:55:38 mail.srvfarm.net postfix/smtps/smtpd[1191016]: warning: unknown[185.50.149.15]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-04-26 06:30:29
134.175.83.105 attackbotsspam
Invalid user no from 134.175.83.105 port 33224
2020-04-26 06:40:08
31.184.199.114 attack
Invalid user 22 from 31.184.199.114 port 21737
2020-04-26 06:43:57
222.190.130.62 attackspam
Brute-force attempt banned
2020-04-26 07:08:29
114.67.123.3 attackbotsspam
Invalid user vy from 114.67.123.3 port 2898
2020-04-26 06:47:20
181.49.153.74 attackbots
2020-04-25T16:01:11.505949linuxbox-skyline sshd[70194]: Invalid user usuario1 from 181.49.153.74 port 45282
...
2020-04-26 06:56:49
165.22.51.37 attack
Apr 25 22:32:34 scw-6657dc sshd[3075]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.51.37
Apr 25 22:32:34 scw-6657dc sshd[3075]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.51.37
Apr 25 22:32:36 scw-6657dc sshd[3075]: Failed password for invalid user yuan from 165.22.51.37 port 45978 ssh2
...
2020-04-26 06:52:36
77.40.2.19 attack
warning: unknown[77.40.2.19]: SASL PLAIN authentication failed
2020-04-26 07:09:59
119.57.21.7 attackspam
Apr 25 18:28:40 vps46666688 sshd[24720]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.57.21.7
Apr 25 18:28:42 vps46666688 sshd[24720]: Failed password for invalid user sampless from 119.57.21.7 port 43332 ssh2
...
2020-04-26 06:41:19
85.152.27.19 attackspam
Fail2Ban Ban Triggered
2020-04-26 06:37:06

Recently Reported IPs

104.21.90.55 104.21.90.35 104.21.90.46 104.21.91.105
104.21.91.106 104.21.90.44 104.21.91.112 104.21.90.8
13.226.131.97 104.21.91.154 104.21.90.52 104.21.91.157
104.21.91.174 104.21.91.186 104.21.91.202 104.21.91.156
104.21.91.209 104.21.91.192 104.21.91.20 104.21.91.214