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 <<>> 104.21.72.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3159
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.66.			IN	A

;; AUTHORITY SECTION:
.			598	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:51:24 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
154.66.219.2 attackspam
SSH login attempts with user root at 2020-01-02.
2020-01-03 02:34:10
121.241.244.9 attackbotsspam
SSH login attempts with user root at 2020-01-02.
2020-01-03 02:59:08
116.196.90.2 attackspam
SSH login attempts with user root at 2020-01-02.
2020-01-03 03:09:07
119.29.170.1 attackspambots
SSH login attempts with user root at 2020-01-02.
2020-01-03 03:03:36
148.70.183.4 attackspambots
SSH login attempts with user root at 2020-01-02.
2020-01-03 02:37:44
139.162.106.1 attackbotsspam
web Attack on Wordpress site at 2020-01-02.
2020-01-03 02:46:08
139.199.59.3 attack
SSH login attempts with user root at 2020-01-02.
2020-01-03 02:43:29
121.178.212.6 attackbots
SSH login attempts with user root at 2020-01-02.
2020-01-03 02:59:39
175.6.5.233 attack
Jan  2 14:55:33 *** sshd[22031]: Invalid user ubuntu from 175.6.5.233
2020-01-03 02:41:39
13.52.76.9 attackspam
web Attack on Website at 2020-01-02.
2020-01-03 02:53:24
94.228.180.63 attack
Brute force attempt
2020-01-03 02:48:53
125.212.233.5 attackspambots
SSH login attempts with user root at 2020-01-02.
2020-01-03 02:52:09
148.70.223.1 attackspam
SSH login attempts with user root at 2020-01-02.
2020-01-03 02:35:50
116.196.81.5 attackbotsspam
SSH login attempts with user root at 2020-01-02.
2020-01-03 03:09:29
41.80.35.78 attackspam
Jan  2 16:33:12 DAAP sshd[14743]: Invalid user rupprecht from 41.80.35.78 port 56878
Jan  2 16:33:12 DAAP sshd[14743]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.80.35.78
Jan  2 16:33:12 DAAP sshd[14743]: Invalid user rupprecht from 41.80.35.78 port 56878
Jan  2 16:33:14 DAAP sshd[14743]: Failed password for invalid user rupprecht from 41.80.35.78 port 56878 ssh2
Jan  2 16:36:05 DAAP sshd[14759]: Invalid user erek from 41.80.35.78 port 56940
...
2020-01-03 02:52:51

Recently Reported IPs

104.21.72.71 104.21.72.72 104.21.72.70 104.21.72.73
104.21.72.74 104.21.72.78 104.21.72.76 104.21.72.75
104.21.72.81 104.21.72.82 104.21.72.79 104.21.72.83
104.21.72.86 104.21.72.80 104.21.72.85 104.21.72.87
104.21.72.89 104.21.72.92 104.21.72.84 104.21.72.93