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:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.90.166
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 34137
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.90.166.			IN	A

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

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:13:28 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 166.90.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 166.90.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
14.231.231.225 attackspambots
Unauthorized connection attempt from IP address 14.231.231.225 on Port 445(SMB)
2019-10-19 23:16:03
112.33.13.124 attackbotsspam
Oct 19 04:48:01 php1 sshd\[20043\]: Invalid user thanks from 112.33.13.124
Oct 19 04:48:01 php1 sshd\[20043\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.33.13.124
Oct 19 04:48:04 php1 sshd\[20043\]: Failed password for invalid user thanks from 112.33.13.124 port 49708 ssh2
Oct 19 04:53:55 php1 sshd\[21053\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.33.13.124  user=root
Oct 19 04:53:57 php1 sshd\[21053\]: Failed password for root from 112.33.13.124 port 53182 ssh2
2019-10-19 23:09:24
34.76.123.164 attack
Looking for resource vulnerabilities
2019-10-19 23:46:39
185.53.79.149 attackspambots
Oct 19 13:59:50 mxgate1 postfix/postscreen[17805]: CONNECT from [185.53.79.149]:36860 to [176.31.12.44]:25
Oct 19 13:59:50 mxgate1 postfix/dnsblog[18065]: addr 185.53.79.149 listed by domain cbl.abuseat.org as 127.0.0.2
Oct 19 13:59:50 mxgate1 postfix/dnsblog[18064]: addr 185.53.79.149 listed by domain zen.spamhaus.org as 127.0.0.4
Oct 19 13:59:50 mxgate1 postfix/dnsblog[18064]: addr 185.53.79.149 listed by domain zen.spamhaus.org as 127.0.0.3
Oct 19 13:59:50 mxgate1 postfix/postscreen[17805]: PREGREET 22 after 0.07 from [185.53.79.149]:36860: EHLO [185.53.79.173]

Oct 19 13:59:50 mxgate1 postfix/postscreen[17805]: DNSBL rank 3 for [185.53.79.149]:36860
Oct x@x
Oct 19 13:59:52 mxgate1 postfix/postscreen[17805]: HANGUP after 1.5 from [185.53.79.149]:36860 in tests after SMTP handshake
Oct 19 13:59:52 mxgate1 postfix/postscreen[17805]: DISCONNECT [185.53.79.149]:36860


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=185.53.79.149
2019-10-19 23:34:56
189.18.140.65 attack
Unauthorized connection attempt from IP address 189.18.140.65 on Port 445(SMB)
2019-10-19 23:22:16
124.11.229.219 attackspam
Unauthorized connection attempt from IP address 124.11.229.219 on Port 445(SMB)
2019-10-19 23:37:33
182.156.234.90 attackbots
Unauthorized connection attempt from IP address 182.156.234.90 on Port 445(SMB)
2019-10-19 23:10:46
212.0.149.87 attack
Unauthorized connection attempt from IP address 212.0.149.87 on Port 445(SMB)
2019-10-19 23:30:27
106.12.189.89 attackspambots
Oct 19 15:01:11 legacy sshd[12922]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.189.89
Oct 19 15:01:13 legacy sshd[12922]: Failed password for invalid user irving from 106.12.189.89 port 58344 ssh2
Oct 19 15:06:30 legacy sshd[13067]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.189.89
...
2019-10-19 23:57:13
41.238.253.200 attackspam
Unauthorized connection attempt from IP address 41.238.253.200 on Port 445(SMB)
2019-10-19 23:07:16
178.62.220.28 attack
WordPress wp-login brute force :: 178.62.220.28 0.048 BYPASS [19/Oct/2019:23:01:20  1100] [censored_2] "POST /wp-login.php HTTP/1.1" 200 4630 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-10-19 23:40:39
117.214.111.167 attack
Unauthorized connection attempt from IP address 117.214.111.167 on Port 445(SMB)
2019-10-19 23:29:24
159.203.189.152 attackspam
Oct 19 16:52:33 vps01 sshd[29183]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.189.152
Oct 19 16:52:35 vps01 sshd[29183]: Failed password for invalid user yarn from 159.203.189.152 port 53610 ssh2
2019-10-19 23:20:09
208.186.113.234 attackbotsspam
Postfix DNSBL listed. Trying to send SPAM.
2019-10-19 23:53:41
200.73.13.18 attackspam
Unauthorized connection attempt from IP address 200.73.13.18 on Port 445(SMB)
2019-10-19 23:17:49

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