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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.57.205
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35331
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.205.			IN	A

;; AUTHORITY SECTION:
.			321	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:39:42 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 205.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 205.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
188.162.41.251 attack
1593428869 - 06/29/2020 13:07:49 Host: 188.162.41.251/188.162.41.251 Port: 445 TCP Blocked
2020-06-30 02:21:04
123.1.157.166 attackspambots
Unauthorised connection attempt detected at AUO FR1 NODE2. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-06-30 02:23:07
146.120.249.10 attackbots
Lines containing failures of 146.120.249.10
Jun 29 07:01:57 neweola sshd[29029]: Did not receive identification string from 146.120.249.10 port 29255
Jun 29 07:01:57 neweola sshd[29028]: Did not receive identification string from 146.120.249.10 port 64183
Jun 29 07:01:57 neweola sshd[29027]: Did not receive identification string from 146.120.249.10 port 64182
Jun 29 07:01:57 neweola sshd[29030]: Did not receive identification string from 146.120.249.10 port 64187
Jun 29 07:02:00 neweola sshd[29031]: Invalid user supervisor from 146.120.249.10 port 64436
Jun 29 07:02:00 neweola sshd[29033]: Invalid user supervisor from 146.120.249.10 port 64438
Jun 29 07:02:00 neweola sshd[29036]: Invalid user supervisor from 146.120.249.10 port 64445
Jun 29 07:02:00 neweola sshd[29035]: Invalid user supervisor from 146.120.249.10 port 64446
Jun 29 07:02:00 neweola sshd[29033]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.120.249.10 
Jun 29 0........
------------------------------
2020-06-30 02:05:31
1.0.161.152 attackbots
xmlrpc attack
2020-06-30 02:32:29
50.77.114.237 attackspam
Unauthorized connection attempt detected from IP address 50.77.114.237 to port 23
2020-06-30 02:35:17
41.32.112.34 attackspambots
Port Scan detected!
...
2020-06-30 02:35:38
189.91.231.161 attackspambots
Telnetd brute force attack detected by fail2ban
2020-06-30 02:23:24
103.109.138.103 attackbotsspam
Automatic report - Port Scan Attack
2020-06-30 02:15:44
202.168.205.181 attackbots
SSH BruteForce Attack
2020-06-30 02:37:49
96.125.178.141 attackbotsspam
SMTP/25/465/587 Probe, RCPT flood, SPAM -
2020-06-30 02:08:41
78.190.72.107 attackbotsspam
timhelmke.de 78.190.72.107 [29/Jun/2020:13:07:34 +0200] "POST /xmlrpc.php HTTP/1.1" 200 4260 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36"
timhelmke.de 78.190.72.107 [29/Jun/2020:13:07:40 +0200] "POST /xmlrpc.php HTTP/1.1" 200 4260 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36"
2020-06-30 02:30:43
178.157.15.3 attackspambots
SMTP/25/465/587 Probe, RCPT flood, SPAM -
2020-06-30 02:16:58
139.59.215.241 attackbots
xmlrpc attack
2020-06-30 02:18:37
106.46.163.126 attack
2020-06-29 13:01:38,027 fail2ban.filter         [2207]: INFO    [plesk-postfix] Found 106.46.163.126 - 2020-06-29 13:01:38
2020-06-29 13:01:38,028 fail2ban.filter         [2207]: INFO    [plesk-postfix] Found 106.46.163.126 - 2020-06-29 13:01:38
2020-06-29 13:01:38,738 fail2ban.filter         [2207]: INFO    [plesk-postfix] Found 106.46.163.126 - 2020-06-29 13:01:38
2020-06-29 13:01:38,739 fail2ban.filter         [2207]: INFO    [plesk-postfix] Found 106.46.163.126 - 2020-06-29 13:01:38
2020-06-29 13:01:39,714 fail2ban.filter         [2207]: INFO    [plesk-postfix] Found 106.46.163.126 - 2020-06-29 13:01:39
2020-06-29 13:01:39,715 fail2ban.filter         [2207]: INFO    [plesk-postfix] Found 106.46.163.126 - 2020-06-29 13:01:39
2020-06-29 13:01:41,500 fail2ban.filter         [2207]: INFO    [plesk-postfix] Found 106.46.163.126 - 2020-06-29 13:01:41
2020-06-29 13:01:41,512 fail2ban.filter         [2207]: INFO    [plesk-postfix] Found 106.46.163.126 - 2020-06-29 13:01:41
........
-------------------------------
2020-06-30 02:21:40
191.235.64.211 attackbots
Jun 29 19:52:11 mout sshd[13543]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.235.64.211  user=root
Jun 29 19:52:13 mout sshd[13543]: Failed password for root from 191.235.64.211 port 42009 ssh2
2020-06-30 02:04:16

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