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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.57.39
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33593
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.39.			IN	A

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

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:35:05 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 39.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 39.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
202.44.54.48 attack
202.44.54.48 - - \[09/Jan/2020:22:24:31 +0100\] "POST /wp-login.php HTTP/1.0" 200 4404 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
202.44.54.48 - - \[09/Jan/2020:22:24:34 +0100\] "POST /wp-login.php HTTP/1.0" 200 4402 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
202.44.54.48 - - \[09/Jan/2020:22:24:36 +0100\] "POST /xmlrpc.php HTTP/1.0" 200 736 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2020-01-10 07:10:33
114.231.41.162 attackspam
2020-01-09 15:25:13 dovecot_login authenticator failed for (jumrh) [114.231.41.162]:54627 I=[192.147.25.65]:25: 535 Incorrect authentication data (set_id=liuna@lerctr.org)
2020-01-09 15:25:20 dovecot_login authenticator failed for (camlq) [114.231.41.162]:54627 I=[192.147.25.65]:25: 535 Incorrect authentication data (set_id=liuna@lerctr.org)
2020-01-09 15:25:31 dovecot_login authenticator failed for (ykbrt) [114.231.41.162]:54627 I=[192.147.25.65]:25: 535 Incorrect authentication data (set_id=liuna@lerctr.org)
...
2020-01-10 06:37:44
14.142.57.66 attackbotsspam
Unauthorized connection attempt detected from IP address 14.142.57.66 to port 22
2020-01-10 06:51:23
114.67.66.172 attackspam
Jan  9 23:27:38 MK-Soft-VM5 sshd[26951]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.66.172 
Jan  9 23:27:40 MK-Soft-VM5 sshd[26951]: Failed password for invalid user ayx from 114.67.66.172 port 60428 ssh2
...
2020-01-10 06:31:21
150.147.244.190 attackbots
Automatic report - Port Scan Attack
2020-01-10 06:54:48
128.199.210.98 attackbotsspam
Jan  9 22:23:35 jane sshd[6975]: Failed password for root from 128.199.210.98 port 45304 ssh2
...
2020-01-10 07:03:24
46.105.122.62 attack
Jan  9 23:09:31 ArkNodeAT sshd\[1610\]: Invalid user oracle from 46.105.122.62
Jan  9 23:09:31 ArkNodeAT sshd\[1610\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.105.122.62
Jan  9 23:09:34 ArkNodeAT sshd\[1610\]: Failed password for invalid user oracle from 46.105.122.62 port 42349 ssh2
2020-01-10 06:38:14
206.189.137.113 attackspam
$f2bV_matches
2020-01-10 06:36:57
80.66.81.143 attackbots
Jan  9 23:34:05 relay postfix/smtpd\[13197\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  9 23:34:32 relay postfix/smtpd\[10988\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  9 23:34:49 relay postfix/smtpd\[13193\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  9 23:34:54 relay postfix/smtpd\[13199\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  9 23:35:10 relay postfix/smtpd\[4563\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-01-10 06:41:52
88.238.67.181 attackbotsspam
B: Magento admin pass /admin/ test (wrong country)
2020-01-10 06:44:51
180.97.220.3 attackspambots
Attempt to attack host OS, exploiting network vulnerabilities, on 09-01-2020 21:25:16.
2020-01-10 06:47:08
82.64.242.49 attackspam
Jan  9 22:25:28 sxvn sshd[965258]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.64.242.49 
Jan  9 22:25:28 sxvn sshd[965260]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.64.242.49
2020-01-10 06:39:37
159.203.201.125 attackbots
*Port Scan* detected from 159.203.201.125 (US/United States/zg-0911a-165.stretchoid.com). 4 hits in the last 235 seconds
2020-01-10 06:53:38
195.161.114.123 attackspam
Jan  9 16:25:01 mail sshd\[25827\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.161.114.123  user=root
...
2020-01-10 06:54:35
83.28.189.166 attackspam
Jan  9 23:27:50 MK-Soft-VM8 sshd[7212]: Failed password for root from 83.28.189.166 port 54930 ssh2
...
2020-01-10 06:35:56

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