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 <<>> 104.21.28.67
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16842
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.28.67.			IN	A

;; AUTHORITY SECTION:
.			572	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 270 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 09:18:18 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 67.28.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 67.28.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.15.207.74 attackbots
Jan  5 04:20:00 pi sshd[7630]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.207.74 
Jan  5 04:20:02 pi sshd[7630]: Failed password for invalid user lais from 51.15.207.74 port 35710 ssh2
2020-03-20 01:33:11
91.234.194.246 attackspam
php WP PHPmyadamin ABUSE blocked for 12h
2020-03-20 01:44:55
5.188.206.138 attackbotsspam
Mar 18 18:36:28 dev sshd\[4056\]: Bad protocol version identification '\003' from 5.188.206.138 port 1308
Mar 18 18:36:28 dev sshd\[4061\]: Bad protocol version identification '\003' from 5.188.206.138 port 1669
...
2020-03-20 01:54:35
66.70.202.121 attackbots
Fail2Ban Ban Triggered
2020-03-20 01:35:11
106.12.16.179 attack
Mar 19 18:35:02 vpn01 sshd[17706]: Failed password for root from 106.12.16.179 port 33654 ssh2
...
2020-03-20 01:53:16
222.89.41.203 attackbots
Spammer
2020-03-20 02:05:58
185.176.27.14 attackspam
03/19/2020-13:41:18.773545 185.176.27.14 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-03-20 01:49:21
49.234.163.215 attack
Mar 18 03:44:07 kmh-mb-001 sshd[5613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.163.215  user=r.r
Mar 18 03:44:10 kmh-mb-001 sshd[5613]: Failed password for r.r from 49.234.163.215 port 59360 ssh2
Mar 18 03:44:10 kmh-mb-001 sshd[5613]: Received disconnect from 49.234.163.215 port 59360:11: Bye Bye [preauth]
Mar 18 03:44:10 kmh-mb-001 sshd[5613]: Disconnected from 49.234.163.215 port 59360 [preauth]
Mar 18 03:53:40 kmh-mb-001 sshd[6910]: Invalid user at from 49.234.163.215 port 39446
Mar 18 03:53:40 kmh-mb-001 sshd[6910]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.163.215
Mar 18 03:53:43 kmh-mb-001 sshd[6910]: Failed password for invalid user at from 49.234.163.215 port 39446 ssh2
Mar 18 03:53:43 kmh-mb-001 sshd[6910]: Received disconnect from 49.234.163.215 port 39446:11: Bye Bye [preauth]
Mar 18 03:53:43 kmh-mb-001 sshd[6910]: Disconnected from 49.234.163.215 port ........
-------------------------------
2020-03-20 01:55:22
165.227.53.241 attackspambots
DATE:2020-03-19 15:49:20, IP:165.227.53.241, PORT:ssh SSH brute force auth (docker-dc)
2020-03-20 01:23:04
121.244.51.90 attackspambots
Unauthorized connection attempt from IP address 121.244.51.90 on Port 445(SMB)
2020-03-20 01:30:03
36.237.206.150 attackspambots
Unauthorized connection attempt from IP address 36.237.206.150 on Port 445(SMB)
2020-03-20 01:26:58
222.186.175.154 attack
Mar 19 13:51:51 NPSTNNYC01T sshd[21555]: Failed password for root from 222.186.175.154 port 44520 ssh2
Mar 19 13:52:01 NPSTNNYC01T sshd[21555]: Failed password for root from 222.186.175.154 port 44520 ssh2
Mar 19 13:52:04 NPSTNNYC01T sshd[21555]: Failed password for root from 222.186.175.154 port 44520 ssh2
Mar 19 13:52:04 NPSTNNYC01T sshd[21555]: error: maximum authentication attempts exceeded for root from 222.186.175.154 port 44520 ssh2 [preauth]
...
2020-03-20 01:57:06
162.243.128.36 attackbots
firewall-block, port(s): 5432/tcp
2020-03-20 02:01:37
189.126.192.106 attackspambots
Unauthorized connection attempt detected from IP address 189.126.192.106 to port 445
2020-03-20 01:35:29
162.243.132.53 attackbots
scans once in preceeding hours on the ports (in chronological order) 2525 resulting in total of 57 scans from 162.243.0.0/16 block.
2020-03-20 01:59:01

Recently Reported IPs

104.21.28.6 104.21.28.88 104.21.29.108 100.190.209.192
104.21.29.139 104.21.29.144 211.64.26.195 104.21.29.164
104.21.29.167 104.21.29.177 104.21.29.2 104.21.29.230
166.175.187.198 104.21.29.238 104.21.29.250 104.21.29.252
104.21.29.35 157.45.26.79 49.37.210.165 104.21.29.4