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 <<>> 104.21.52.233
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58790
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.233.			IN	A

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

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:35:52 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 233.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 233.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
104.152.52.38 attack
104.152.52.38 - - - [15/Apr/2020:03:56:51 +0000] "GET / HTTP/1.0" 404 162 "-" "masscan/1.0 (https://github.com/robertdavidgraham/masscan)" "-" "-"
2020-04-15 14:22:47
194.228.129.189 attackbotsspam
postfix (unknown user, SPF fail or relay access denied)
2020-04-15 14:14:11
176.37.177.78 attackbotsspam
$f2bV_matches
2020-04-15 14:33:27
106.124.137.108 attackbotsspam
(sshd) Failed SSH login from 106.124.137.108 (CN/China/-): 5 in the last 3600 secs
2020-04-15 14:31:15
35.194.37.43 attack
Apr 15 08:11:45  sshd[26347]: Failed password for invalid user zxin10 from 35.194.37.43 port 38956 ssh2
2020-04-15 14:20:20
139.199.78.228 attackbots
Apr 15 03:03:09 vps46666688 sshd[5640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.78.228
Apr 15 03:03:11 vps46666688 sshd[5640]: Failed password for invalid user bocloud from 139.199.78.228 port 60098 ssh2
...
2020-04-15 14:33:41
112.85.42.178 attackbots
Apr 15 08:36:56 * sshd[22207]: Failed password for root from 112.85.42.178 port 59879 ssh2
Apr 15 08:37:06 * sshd[22207]: Failed password for root from 112.85.42.178 port 59879 ssh2
2020-04-15 14:40:33
178.128.211.250 attack
Apr 15 08:18:15 mout sshd[27577]: Failed password for root from 178.128.211.250 port 58422 ssh2
Apr 15 08:18:29 mout sshd[27594]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.211.250  user=root
Apr 15 08:18:30 mout sshd[27594]: Failed password for root from 178.128.211.250 port 44374 ssh2
2020-04-15 14:36:08
68.187.222.170 attackbotsspam
Apr 15 05:59:45 cdc sshd[23710]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.187.222.170 
Apr 15 05:59:47 cdc sshd[23710]: Failed password for invalid user noc from 68.187.222.170 port 53168 ssh2
2020-04-15 14:25:52
49.49.232.76 attack
SSH Brute-Force reported by Fail2Ban
2020-04-15 14:06:29
112.85.42.229 attackbots
Apr 15 07:57:22 server sshd[27473]: Failed password for root from 112.85.42.229 port 37505 ssh2
Apr 15 07:57:25 server sshd[27473]: Failed password for root from 112.85.42.229 port 37505 ssh2
Apr 15 07:57:27 server sshd[27473]: Failed password for root from 112.85.42.229 port 37505 ssh2
2020-04-15 14:43:59
172.110.30.125 attackbotsspam
(sshd) Failed SSH login from 172.110.30.125 (US/United States/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 15 07:00:40 ubnt-55d23 sshd[14558]: Invalid user thuannx from 172.110.30.125 port 54684
Apr 15 07:00:42 ubnt-55d23 sshd[14558]: Failed password for invalid user thuannx from 172.110.30.125 port 54684 ssh2
2020-04-15 14:21:28
83.97.20.204 attackbots
port scan and connect, tcp 8443 (https-alt)
2020-04-15 14:46:11
51.38.235.200 attackspam
Apr 15 02:37:17 firewall sshd[11860]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.235.200
Apr 15 02:37:17 firewall sshd[11860]: Invalid user admin from 51.38.235.200
Apr 15 02:37:19 firewall sshd[11860]: Failed password for invalid user admin from 51.38.235.200 port 39524 ssh2
...
2020-04-15 14:31:31
111.230.192.104 attackspambots
2020-04-14T22:58:45.507683linuxbox-skyline sshd[131875]: Invalid user ping from 111.230.192.104 port 44784
...
2020-04-15 14:31:02

Recently Reported IPs

104.21.52.23 104.21.52.241 104.21.52.242 104.21.52.228
104.21.52.244 104.21.52.249 104.21.52.247 104.21.7.230
104.21.52.237 104.21.52.243 104.21.52.29 104.21.52.26
104.21.52.49 104.21.52.47 104.21.52.45 104.21.52.56
104.21.52.50 104.21.52.69 104.21.52.72 104.21.52.80