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 <<>> 104.21.28.168
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22578
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.28.168.			IN	A

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

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 20:03:03 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 168.28.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 168.28.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
216.218.206.93 attackbots
3389BruteforceFW21
2020-01-20 21:41:21
40.85.161.25 attackbots
Unauthorized connection attempt detected from IP address 40.85.161.25 to port 2220 [J]
2020-01-20 21:41:41
202.179.91.193 attack
Automatic report - Port Scan Attack
2020-01-20 22:14:18
91.212.150.147 attackbots
2020-01-20T13:07:19.687160+00:00 suse sshd[3531]: Invalid user test from 91.212.150.147 port 56484
2020-01-20T13:07:26.521872+00:00 suse sshd[3531]: error: PAM: User not known to the underlying authentication module for illegal user test from 91.212.150.147
2020-01-20T13:07:19.687160+00:00 suse sshd[3531]: Invalid user test from 91.212.150.147 port 56484
2020-01-20T13:07:26.521872+00:00 suse sshd[3531]: error: PAM: User not known to the underlying authentication module for illegal user test from 91.212.150.147
2020-01-20T13:07:19.687160+00:00 suse sshd[3531]: Invalid user test from 91.212.150.147 port 56484
2020-01-20T13:07:26.521872+00:00 suse sshd[3531]: error: PAM: User not known to the underlying authentication module for illegal user test from 91.212.150.147
2020-01-20T13:07:26.526710+00:00 suse sshd[3531]: Failed keyboard-interactive/pam for invalid user test from 91.212.150.147 port 56484 ssh2
...
2020-01-20 21:59:37
80.211.98.67 attack
Jan 20 13:40:32 kmh-sql-001-nbg01 sshd[21695]: Invalid user bjorn from 80.211.98.67 port 33106
Jan 20 13:40:32 kmh-sql-001-nbg01 sshd[21695]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.98.67
Jan 20 13:40:34 kmh-sql-001-nbg01 sshd[21695]: Failed password for invalid user bjorn from 80.211.98.67 port 33106 ssh2
Jan 20 13:40:34 kmh-sql-001-nbg01 sshd[21695]: Received disconnect from 80.211.98.67 port 33106:11: Bye Bye [preauth]
Jan 20 13:40:34 kmh-sql-001-nbg01 sshd[21695]: Disconnected from 80.211.98.67 port 33106 [preauth]
Jan 20 13:43:04 kmh-sql-001-nbg01 sshd[21908]: Invalid user joe from 80.211.98.67 port 57930
Jan 20 13:43:04 kmh-sql-001-nbg01 sshd[21908]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.98.67


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=80.211.98.67
2020-01-20 22:08:16
66.249.69.69 attackbots
Automatic report - Banned IP Access
2020-01-20 22:08:49
92.118.37.53 attackspambots
Jan 20 14:25:53 debian-2gb-nbg1-2 kernel: \[1786039.096957\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=92.118.37.53 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=57644 PROTO=TCP SPT=41131 DPT=7211 WINDOW=1024 RES=0x00 SYN URGP=0
2020-01-20 21:37:10
97.95.49.195 attackbots
WEB_SERVER 403 Forbidden
2020-01-20 21:54:55
54.240.57.59 attack
west-2.amazonses.com designates 54.240.57.59 as permitted sender
2020-01-20 22:04:06
128.199.249.167 attackspambots
Jan 20 14:05:51 vps58358 sshd\[20381\]: Invalid user ludmila from 128.199.249.167Jan 20 14:05:53 vps58358 sshd\[20381\]: Failed password for invalid user ludmila from 128.199.249.167 port 56514 ssh2Jan 20 14:09:35 vps58358 sshd\[20490\]: Invalid user user from 128.199.249.167Jan 20 14:09:37 vps58358 sshd\[20490\]: Failed password for invalid user user from 128.199.249.167 port 59606 ssh2Jan 20 14:13:29 vps58358 sshd\[20529\]: Invalid user alfred from 128.199.249.167Jan 20 14:13:31 vps58358 sshd\[20529\]: Failed password for invalid user alfred from 128.199.249.167 port 34468 ssh2
...
2020-01-20 22:15:27
104.236.127.247 attackbots
104.236.127.247 - - [20/Jan/2020:13:07:30 +0000] "POST /wp-login.php HTTP/1.1" 200 6409 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
104.236.127.247 - - [20/Jan/2020:13:07:31 +0000] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-01-20 21:53:31
14.187.22.60 attack
Brute force attempt
2020-01-20 21:52:31
194.6.231.122 attackspam
Jan 20 13:07:48 thevastnessof sshd[21766]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.6.231.122
...
2020-01-20 21:45:01
187.162.91.86 attack
Automatic report - Port Scan Attack
2020-01-20 22:01:12
180.153.28.115 attackspambots
Jan 20 09:33:30 toyboy sshd[22393]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.153.28.115  user=r.r
Jan 20 09:33:32 toyboy sshd[22393]: Failed password for r.r from 180.153.28.115 port 46777 ssh2
Jan 20 09:33:33 toyboy sshd[22393]: Received disconnect from 180.153.28.115: 11: Bye Bye [preauth]
Jan 20 09:50:50 toyboy sshd[23265]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.153.28.115  user=r.r
Jan 20 09:50:52 toyboy sshd[23265]: Failed password for r.r from 180.153.28.115 port 59402 ssh2
Jan 20 09:50:52 toyboy sshd[23265]: Received disconnect from 180.153.28.115: 11: Bye Bye [preauth]
Jan 20 09:53:19 toyboy sshd[23385]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.153.28.115  user=r.r
Jan 20 09:53:20 toyboy sshd[23385]: Failed password for r.r from 180.153.28.115 port 40577 ssh2
Jan 20 09:53:21 toyboy sshd[23385]: Received discon........
-------------------------------
2020-01-20 21:46:52

Recently Reported IPs

230.255.208.85 104.21.28.175 104.21.28.178 104.21.28.179
104.21.28.18 104.21.28.180 104.21.28.185 104.21.28.189
104.21.28.194 104.21.28.196 104.21.28.197 104.21.28.199
104.21.28.201 104.21.28.209 104.21.28.210 104.21.28.211
104.21.28.220 104.21.28.225 104.21.28.23 104.21.28.231