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 <<>> 104.21.28.9
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10610
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.28.9.			IN	A

;; AUTHORITY SECTION:
.			439	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022500 1800 900 604800 86400

;; Query time: 60 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 25 19:54:08 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 9.28.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 9.28.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.233.182.205 attack
Aug 25 02:07:37 pixelmemory sshd[293566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.182.205 
Aug 25 02:07:37 pixelmemory sshd[293566]: Invalid user safety from 49.233.182.205 port 51864
Aug 25 02:07:39 pixelmemory sshd[293566]: Failed password for invalid user safety from 49.233.182.205 port 51864 ssh2
Aug 25 02:09:55 pixelmemory sshd[293846]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.182.205  user=root
Aug 25 02:09:56 pixelmemory sshd[293846]: Failed password for root from 49.233.182.205 port 49108 ssh2
...
2020-08-25 18:28:24
122.51.89.18 attackspam
Aug 25 12:34:31 hosting sshd[12209]: Invalid user chenx from 122.51.89.18 port 40916
Aug 25 12:34:31 hosting sshd[12209]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.89.18
Aug 25 12:34:31 hosting sshd[12209]: Invalid user chenx from 122.51.89.18 port 40916
Aug 25 12:34:33 hosting sshd[12209]: Failed password for invalid user chenx from 122.51.89.18 port 40916 ssh2
Aug 25 12:49:04 hosting sshd[14176]: Invalid user ik from 122.51.89.18 port 38794
...
2020-08-25 18:05:38
192.241.237.83 attackbotsspam
 TCP (SYN) 192.241.237.83:50116 -> port 80, len 40
2020-08-25 18:19:09
122.166.237.117 attackbots
Aug 25 11:09:03 server sshd[17726]: Failed password for invalid user craig from 122.166.237.117 port 11711 ssh2
Aug 25 11:13:53 server sshd[23950]: Failed password for invalid user xjf from 122.166.237.117 port 46973 ssh2
Aug 25 11:18:38 server sshd[30250]: Failed password for invalid user redmine from 122.166.237.117 port 51657 ssh2
2020-08-25 18:34:46
200.29.105.12 attackspam
$f2bV_matches
2020-08-25 18:06:55
185.230.127.233 attackbotsspam
Automatic report - Banned IP Access
2020-08-25 18:24:12
113.20.118.162 attackbots
Port Scan
...
2020-08-25 18:42:42
74.82.47.27 attackspambots
" "
2020-08-25 18:27:14
60.2.221.53 attack
firewall-block, port(s): 1433/tcp
2020-08-25 18:43:46
165.22.40.147 attack
TCP port : 8677
2020-08-25 18:28:11
2402:4000:2381:7a3d:d845:bcae:4ea1:de46 attackspam
Wordpress attack
2020-08-25 18:45:12
12.94.144.134 attackbots
IP 12.94.144.134 attacked honeypot on port: 8080 at 8/24/2020 8:50:05 PM
2020-08-25 18:45:29
212.70.149.83 attackspam
Aug 25 12:12:11 galaxy event: galaxy/lswi: smtp: ibi@uni-potsdam.de [212.70.149.83] authentication failure using internet password
Aug 25 12:12:38 galaxy event: galaxy/lswi: smtp: i20@uni-potsdam.de [212.70.149.83] authentication failure using internet password
Aug 25 12:13:06 galaxy event: galaxy/lswi: smtp: i13@uni-potsdam.de [212.70.149.83] authentication failure using internet password
Aug 25 12:13:33 galaxy event: galaxy/lswi: smtp: humanrights@uni-potsdam.de [212.70.149.83] authentication failure using internet password
Aug 25 12:14:00 galaxy event: galaxy/lswi: smtp: huhehaote@uni-potsdam.de [212.70.149.83] authentication failure using internet password
...
2020-08-25 18:15:52
123.201.67.229 attackspambots
IP 123.201.67.229 attacked honeypot on port: 8080 at 8/24/2020 8:50:33 PM
2020-08-25 18:21:50
191.234.186.218 attack
detected by Fail2Ban
2020-08-25 18:22:45

Recently Reported IPs

104.21.28.92 104.21.28.221 101.109.24.246 101.109.24.25
101.109.24.250 101.109.24.28 101.109.24.39 101.109.24.4
199.24.168.8 101.109.24.44 101.109.24.47 101.109.24.48
101.109.24.55 101.109.24.56 101.109.24.65 101.109.24.70
101.109.24.72 101.109.24.79 101.109.24.80 101.109.24.84