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 <<>> 104.21.57.206
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44805
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.206.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:32:49 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 206.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 206.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
113.142.139.118 attackspam
2020-04-27T22:08:00.687596vps751288.ovh.net sshd\[12047\]: Invalid user info from 113.142.139.118 port 44742
2020-04-27T22:08:00.697123vps751288.ovh.net sshd\[12047\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.142.139.118
2020-04-27T22:08:02.426253vps751288.ovh.net sshd\[12047\]: Failed password for invalid user info from 113.142.139.118 port 44742 ssh2
2020-04-27T22:11:06.506057vps751288.ovh.net sshd\[12106\]: Invalid user www from 113.142.139.118 port 33098
2020-04-27T22:11:06.515709vps751288.ovh.net sshd\[12106\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.142.139.118
2020-04-28 06:09:38
94.249.46.70 attack
Unauthorised access (Apr 27) SRC=94.249.46.70 LEN=40 TTL=50 ID=53455 TCP DPT=23 WINDOW=9850 SYN
2020-04-28 06:37:54
13.52.240.178 attack
Apr 27 22:04:43 ovpn sshd[18796]: Invalid user manny from 13.52.240.178
Apr 27 22:04:43 ovpn sshd[18796]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.52.240.178
Apr 27 22:04:46 ovpn sshd[18796]: Failed password for invalid user manny from 13.52.240.178 port 52676 ssh2
Apr 27 22:04:46 ovpn sshd[18796]: Received disconnect from 13.52.240.178 port 52676:11: Bye Bye [preauth]
Apr 27 22:04:46 ovpn sshd[18796]: Disconnected from 13.52.240.178 port 52676 [preauth]
Apr 27 22:11:02 ovpn sshd[20395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.52.240.178  user=r.r
Apr 27 22:11:05 ovpn sshd[20395]: Failed password for r.r from 13.52.240.178 port 46106 ssh2
Apr 27 22:11:05 ovpn sshd[20395]: Received disconnect from 13.52.240.178 port 46106:11: Bye Bye [preauth]
Apr 27 22:11:05 ovpn sshd[20395]: Disconnected from 13.52.240.178 port 46106 [preauth]

........
-----------------------------------------------
https://www.blocklist.de/
2020-04-28 06:10:32
195.38.126.113 attackspambots
5x Failed Password
2020-04-28 06:36:53
104.131.189.116 attackbotsspam
Apr 27 21:20:16 work-partkepr sshd\[28348\]: Invalid user hlds from 104.131.189.116 port 56294
Apr 27 21:20:16 work-partkepr sshd\[28348\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.189.116
...
2020-04-28 06:03:09
92.118.161.17 attack
9200/tcp 8082/tcp 68/tcp...
[2020-03-03/04-27]63pkt,47pt.(tcp),5pt.(udp),1tp.(icmp)
2020-04-28 06:34:40
34.207.11.241 attackbots
[Mon Apr 27 09:25:53 2020] - DDoS Attack From IP: 34.207.11.241 Port: 80
2020-04-28 06:28:41
176.113.115.54 attackbotsspam
firewall-block, port(s): 1777/tcp, 3105/tcp, 10627/tcp, 10749/tcp, 10954/tcp, 11444/tcp, 11753/tcp, 12180/tcp, 14343/tcp, 16496/tcp, 16617/tcp, 21251/tcp, 26506/tcp, 28121/tcp, 28898/tcp, 31127/tcp, 34768/tcp, 35046/tcp, 39993/tcp, 40855/tcp, 41098/tcp, 42059/tcp, 44604/tcp, 45950/tcp, 48391/tcp, 49413/tcp, 54027/tcp, 55230/tcp, 55909/tcp, 57466/tcp
2020-04-28 06:21:48
222.110.165.141 attackspambots
Apr 27 23:01:33 pkdns2 sshd\[46906\]: Invalid user bill from 222.110.165.141Apr 27 23:01:34 pkdns2 sshd\[46906\]: Failed password for invalid user bill from 222.110.165.141 port 55550 ssh2Apr 27 23:06:15 pkdns2 sshd\[47165\]: Invalid user wordpress from 222.110.165.141Apr 27 23:06:17 pkdns2 sshd\[47165\]: Failed password for invalid user wordpress from 222.110.165.141 port 37460 ssh2Apr 27 23:10:54 pkdns2 sshd\[47372\]: Invalid user buscador from 222.110.165.141Apr 27 23:10:56 pkdns2 sshd\[47372\]: Failed password for invalid user buscador from 222.110.165.141 port 47606 ssh2
...
2020-04-28 06:20:54
120.237.118.144 attack
Invalid user jg from 120.237.118.144 port 49254
2020-04-28 06:14:27
192.241.211.215 attack
Invalid user younes from 192.241.211.215 port 37618
2020-04-28 06:33:38
185.50.149.17 attack
Apr 27 23:55:50 mail postfix/smtpd\[5802\]: warning: unknown\[185.50.149.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr 27 23:56:06 mail postfix/smtpd\[5950\]: warning: unknown\[185.50.149.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr 27 23:56:06 mail postfix/smtpd\[5944\]: warning: unknown\[185.50.149.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr 27 23:56:06 mail postfix/smtpd\[5949\]: warning: unknown\[185.50.149.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr 27 23:56:06 mail postfix/smtpd\[5943\]: warning: unknown\[185.50.149.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr 27 23:56:06 mail postfix/smtpd\[5951\]: warning: unknown\[185.50.149.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr 27 23:56:06 mail postfix/smtpd\[5945\]: warning: unknown\[185.50.149.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr 27 23:56:06 mail postfix/smtpd\[5947\]: warning: unknown\[185.50.149.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr 27 2
2020-04-28 05:59:17
142.4.214.151 attackbotsspam
Invalid user toto from 142.4.214.151 port 60118
2020-04-28 06:15:58
64.225.64.215 attackbots
Apr 27 20:33:46 XXXXXX sshd[32132]: Invalid user jing from 64.225.64.215 port 56088
2020-04-28 06:29:55
120.224.113.23 attack
Apr 27 22:21:21 PorscheCustomer sshd[17172]: Failed password for root from 120.224.113.23 port 2340 ssh2
Apr 27 22:23:52 PorscheCustomer sshd[17242]: Failed password for root from 120.224.113.23 port 2341 ssh2
...
2020-04-28 06:23:27

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