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: None

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 <<>> 104.21.33.239
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18612
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.33.239.			IN	A

;; AUTHORITY SECTION:
.			442	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:36:57 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 239.33.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 239.33.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.37.160.252 attackspambots
Brute force attempt
2019-07-07 09:24:13
107.170.201.70 attack
Port scan: Attack repeated for 24 hours
2019-07-07 09:56:35
170.79.14.18 attackbots
Repeated brute force against a port
2019-07-07 09:48:20
103.26.40.76 attackspam
techno.ws 103.26.40.76 \[07/Jul/2019:02:52:48 +0200\] "POST /wp-login.php HTTP/1.1" 200 5605 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
techno.ws 103.26.40.76 \[07/Jul/2019:02:52:49 +0200\] "POST /xmlrpc.php HTTP/1.1" 200 4071 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-07-07 09:49:42
52.56.108.32 attack
Jul  6 20:06:24 aat-srv002 sshd[19698]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.56.108.32
Jul  6 20:06:26 aat-srv002 sshd[19698]: Failed password for invalid user demo from 52.56.108.32 port 54230 ssh2
Jul  6 20:09:48 aat-srv002 sshd[19753]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.56.108.32
Jul  6 20:09:49 aat-srv002 sshd[19753]: Failed password for invalid user dana from 52.56.108.32 port 40932 ssh2
...
2019-07-07 09:22:45
88.100.120.84 attack
Jul  7 02:55:27 MK-Soft-Root2 sshd\[22901\]: Invalid user wen from 88.100.120.84 port 39886
Jul  7 02:55:27 MK-Soft-Root2 sshd\[22901\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.100.120.84
Jul  7 02:55:29 MK-Soft-Root2 sshd\[22901\]: Failed password for invalid user wen from 88.100.120.84 port 39886 ssh2
...
2019-07-07 09:32:06
66.249.64.91 attack
Automatic report - Web App Attack
2019-07-07 09:35:57
134.209.115.206 attackbots
Jul  7 00:38:19 debian sshd\[15770\]: Invalid user bot2 from 134.209.115.206 port 48212
Jul  7 00:38:19 debian sshd\[15770\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.115.206
...
2019-07-07 09:52:22
41.221.201.5 attackspambots
Looking for resource vulnerabilities
2019-07-07 09:25:51
153.36.240.126 attack
2019-07-03T17:34:45.545228wiz-ks3 sshd[28540]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.240.126  user=root
2019-07-03T17:34:47.516400wiz-ks3 sshd[28540]: Failed password for root from 153.36.240.126 port 32864 ssh2
2019-07-03T17:34:49.875929wiz-ks3 sshd[28540]: Failed password for root from 153.36.240.126 port 32864 ssh2
2019-07-03T17:34:45.545228wiz-ks3 sshd[28540]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.240.126  user=root
2019-07-03T17:34:47.516400wiz-ks3 sshd[28540]: Failed password for root from 153.36.240.126 port 32864 ssh2
2019-07-03T17:34:49.875929wiz-ks3 sshd[28540]: Failed password for root from 153.36.240.126 port 32864 ssh2
2019-07-03T17:34:45.545228wiz-ks3 sshd[28540]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.240.126  user=root
2019-07-03T17:34:47.516400wiz-ks3 sshd[28540]: Failed password for root from 153.36.240.126 port 32864 ssh2
2
2019-07-07 09:25:13
18.212.118.210 attackbotsspam
18.212.118.210 - - [07/Jul/2019:02:28:32 +0200] "GET /wp-login.php HTTP/1.1" 200 4402 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
18.212.118.210 - - [07/Jul/2019:02:28:33 +0200] "POST /wp-login.php HTTP/1.1" 200 4402 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
18.212.118.210 - - [07/Jul/2019:02:28:33 +0200] "GET /wp-login.php HTTP/1.1" 200 4402 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
18.212.118.210 - - [07/Jul/2019:02:28:33 +0200] "POST /wp-login.php HTTP/1.1" 200 4402 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
18.212.118.210 - - [07/Jul/2019:02:28:33 +0200] "GET /wp-login.php HTTP/1.1" 200 4402 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
18.212.118.210 - - [07/Jul/2019:02:28:33 +0200] "POST /wp-login.php HTTP/1.1" 200 4402 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2019-07-07 10:05:04
190.166.126.143 attack
Autoban   190.166.126.143 AUTH/CONNECT
2019-07-07 10:01:44
212.83.145.12 attackspam
\[2019-07-06 21:20:13\] SECURITY\[13451\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-06T21:20:13.306-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="2100011972592277524",SessionID="0x7f02f876b078",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.145.12/50571",ACLName="no_extension_match"
\[2019-07-06 21:23:14\] SECURITY\[13451\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-06T21:23:14.146-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="3100011972592277524",SessionID="0x7f02f876b078",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.145.12/62951",ACLName="no_extension_match"
\[2019-07-06 21:26:11\] SECURITY\[13451\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-06T21:26:11.256-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="4100011972592277524",SessionID="0x7f02f8335788",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.145.12/56985",
2019-07-07 09:28:03
185.255.112.112 attackbotsspam
Unauthorized SSH login attempts
2019-07-07 09:18:44
95.107.54.170 attackspambots
Jul  7 06:10:58 webhost01 sshd[21986]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.107.54.170
Jul  7 06:11:00 webhost01 sshd[21986]: Failed password for invalid user admin from 95.107.54.170 port 52979 ssh2
...
2019-07-07 10:06:18

Recently Reported IPs

104.21.33.246 104.21.33.248 104.21.33.249 128.14.116.229
104.21.33.30 104.21.33.34 104.21.33.48 104.21.33.60
104.21.33.70 104.21.34.105 104.21.34.101 104.21.33.98
104.21.33.4 104.21.33.73 104.21.33.90 104.21.34.109
128.14.116.230 104.21.34.129 104.21.34.117 104.21.34.127