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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.66.16
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56242
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.16.			IN	A

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

;; Query time: 60 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:16:36 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 16.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 16.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
122.51.255.33 attack
SSH login attempts.
2020-10-05 02:41:03
119.183.53.224 attackbotsspam
port
2020-10-05 02:25:57
158.69.161.79 attackbots
20+ hits ports 80,443,465 : ET EXPLOIT Possible VXWORKS Urgent11 RCE Attempt - Urgent Flag
2020-10-05 02:50:21
157.245.178.61 attack
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-10-04T08:15:12Z and 2020-10-04T08:19:46Z
2020-10-05 02:32:02
97.74.232.157 attackbotsspam
15 attempts against mh-modsecurity-ban on creek
2020-10-05 02:33:00
158.51.124.112 attackbots
158.51.124.112 - - [04/Oct/2020:18:12:49 +0100] "POST /wp-login.php HTTP/1.1" 200 2426 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
158.51.124.112 - - [04/Oct/2020:18:12:51 +0100] "POST /wp-login.php HTTP/1.1" 200 2407 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
158.51.124.112 - - [04/Oct/2020:18:12:52 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-10-05 03:03:08
189.240.62.227 attack
Oct  4 11:33:52 ajax sshd[10246]: Failed password for root from 189.240.62.227 port 36496 ssh2
2020-10-05 02:48:03
118.24.50.107 attack
Oct  4 18:37:53 jumpserver sshd[479861]: Failed password for root from 118.24.50.107 port 52986 ssh2
Oct  4 18:41:29 jumpserver sshd[479944]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.50.107  user=root
Oct  4 18:41:30 jumpserver sshd[479944]: Failed password for root from 118.24.50.107 port 36856 ssh2
...
2020-10-05 02:44:52
190.1.203.180 attack
Oct  4 18:28:25 email sshd\[16657\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.1.203.180  user=root
Oct  4 18:28:27 email sshd\[16657\]: Failed password for root from 190.1.203.180 port 56394 ssh2
Oct  4 18:30:26 email sshd\[17050\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.1.203.180  user=root
Oct  4 18:30:28 email sshd\[17050\]: Failed password for root from 190.1.203.180 port 45932 ssh2
Oct  4 18:32:24 email sshd\[17431\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.1.203.180  user=root
...
2020-10-05 02:45:39
180.76.101.229 attackbotsspam
Oct  4 14:07:17 ift sshd\[25844\]: Invalid user felix from 180.76.101.229Oct  4 14:07:20 ift sshd\[25844\]: Failed password for invalid user felix from 180.76.101.229 port 40166 ssh2Oct  4 14:10:34 ift sshd\[26373\]: Invalid user usuario from 180.76.101.229Oct  4 14:10:36 ift sshd\[26373\]: Failed password for invalid user usuario from 180.76.101.229 port 53648 ssh2Oct  4 14:13:49 ift sshd\[26672\]: Invalid user postgres from 180.76.101.229
...
2020-10-05 02:25:01
217.182.78.195 attackbotsspam
2020-10-04T02:08:22.218172hostname sshd[72853]: Failed password for invalid user guest from 217.182.78.195 port 58912 ssh2
...
2020-10-05 02:24:40
31.163.130.53 attackspambots
1601828941 - 10/04/2020 18:29:01 Host: 31.163.130.53/31.163.130.53 Port: 23 TCP Blocked
...
2020-10-05 03:00:46
119.28.84.19 attackspambots
2020-10-04T15:39:54+0200 Failed SSH Authentication/Brute Force Attack. (Server 4)
2020-10-05 02:46:46
192.35.168.226 attack
 TCP (SYN) 192.35.168.226:11108 -> port 8125, len 44
2020-10-05 02:54:13
174.219.11.190 attackspam
Brute forcing email accounts
2020-10-05 02:23:43

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