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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.16.238
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 728
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.238.			IN	A

;; AUTHORITY SECTION:
.			385	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:12:36 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 238.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 238.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.114.107.129 attackspambots
TCP 3389 (RDP)
2019-06-27 06:39:44
85.163.230.163 attackspam
Triggered by Fail2Ban at Vostok web server
2019-06-27 06:49:21
106.75.30.51 attackspambots
Jun 26 14:59:59 localhost sshd\[11260\]: Invalid user bernadette from 106.75.30.51 port 48498
Jun 26 14:59:59 localhost sshd\[11260\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.30.51
Jun 26 15:00:01 localhost sshd\[11260\]: Failed password for invalid user bernadette from 106.75.30.51 port 48498 ssh2
2019-06-27 06:39:17
177.92.16.186 attackspam
Jun 26 14:19:38 XXX sshd[62007]: Invalid user qbf77101 from 177.92.16.186 port 33015
2019-06-27 06:17:54
92.118.160.21 attackbots
Port Scan 3389
2019-06-27 06:32:49
191.100.26.142 attackbotsspam
Jun 26 18:20:10 core01 sshd\[15541\]: Invalid user tian from 191.100.26.142 port 50567
Jun 26 18:20:10 core01 sshd\[15541\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.100.26.142
...
2019-06-27 06:43:31
142.44.133.83 attack
Automatic report - Web App Attack
2019-06-27 06:19:42
43.247.180.234 attack
Invalid user barison from 43.247.180.234 port 40726
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.247.180.234
Failed password for invalid user barison from 43.247.180.234 port 40726 ssh2
Invalid user 9 from 43.247.180.234 port 41352
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.247.180.234
2019-06-27 06:40:20
23.129.64.100 attack
Automatic report - Web App Attack
2019-06-27 06:28:18
196.52.43.110 attackspambots
Port scan: Attack repeated for 24 hours
2019-06-27 06:58:12
167.99.230.57 attack
Jun 27 00:59:12 localhost sshd\[12879\]: Invalid user user3 from 167.99.230.57 port 54070
Jun 27 00:59:12 localhost sshd\[12879\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.230.57
Jun 27 00:59:13 localhost sshd\[12879\]: Failed password for invalid user user3 from 167.99.230.57 port 54070 ssh2
2019-06-27 07:05:08
128.14.134.134 attackspam
Scanning random ports - tries to find possible vulnerable services
2019-06-27 06:21:21
68.48.240.245 attack
2019-06-26T20:54:45.214874enmeeting.mahidol.ac.th sshd\[32271\]: Invalid user cacti from 68.48.240.245 port 44200
2019-06-26T20:54:45.228330enmeeting.mahidol.ac.th sshd\[32271\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=c-68-48-240-245.hsd1.mi.comcast.net
2019-06-26T20:54:48.114979enmeeting.mahidol.ac.th sshd\[32271\]: Failed password for invalid user cacti from 68.48.240.245 port 44200 ssh2
...
2019-06-27 06:40:00
212.83.153.170 attackspambots
VoIP Brute Force - 212.83.153.170 - Auto Report
...
2019-06-27 06:30:44
157.55.39.67 attack
Automatic report - Web App Attack
2019-06-27 06:47:02

Recently Reported IPs

104.21.16.27 104.21.16.250 104.21.16.31 104.21.16.32
104.21.67.58 104.21.16.52 104.21.16.36 104.21.16.57
104.21.16.49 104.21.16.56 104.21.16.58 104.21.16.6
104.21.16.63 104.21.16.64 104.21.16.60 104.21.16.65
104.21.16.38 104.21.16.67 104.21.67.68 104.21.16.8