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 <<>> 104.16.21.6
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39427
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.16.21.6.			IN	A

;; AUTHORITY SECTION:
.			37	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031801 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 19 09:19:44 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 6.21.16.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 6.21.16.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
111.229.134.68 attack
detected by Fail2Ban
2020-08-08 06:43:54
80.82.65.90 attackbotsspam
ET DROP Dshield Block Listed Source group 1 - port: 389 proto: udp cat: Misc Attackbytes: 94
2020-08-08 07:02:27
66.8.193.21 attack
Port scan on 1 port(s): 22
2020-08-08 06:59:42
39.152.17.192 attackbotsspam
2020-08-07T22:27:03.219438shield sshd\[14068\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.152.17.192  user=root
2020-08-07T22:27:05.583570shield sshd\[14068\]: Failed password for root from 39.152.17.192 port 35520 ssh2
2020-08-07T22:31:42.054036shield sshd\[14759\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.152.17.192  user=root
2020-08-07T22:31:44.247732shield sshd\[14759\]: Failed password for root from 39.152.17.192 port 61156 ssh2
2020-08-07T22:36:31.314770shield sshd\[15576\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.152.17.192  user=root
2020-08-08 06:53:06
212.70.149.3 attackbots
Aug  8 00:50:07 relay postfix/smtpd\[4064\]: warning: unknown\[212.70.149.3\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug  8 00:50:08 relay postfix/smtpd\[7316\]: warning: unknown\[212.70.149.3\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug  8 00:50:26 relay postfix/smtpd\[28965\]: warning: unknown\[212.70.149.3\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug  8 00:50:26 relay postfix/smtpd\[3594\]: warning: unknown\[212.70.149.3\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug  8 00:50:45 relay postfix/smtpd\[4064\]: warning: unknown\[212.70.149.3\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug  8 00:50:45 relay postfix/smtpd\[7318\]: warning: unknown\[212.70.149.3\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-08-08 06:55:34
212.129.16.53 attackbots
Aug 7 23:31:03 *hidden* sshd[10318]: Failed password for *hidden* from 212.129.16.53 port 37506 ssh2 Aug 7 23:34:34 *hidden* sshd[10827]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.16.53 user=root Aug 7 23:34:36 *hidden* sshd[10827]: Failed password for *hidden* from 212.129.16.53 port 48184 ssh2
2020-08-08 06:34:37
5.135.224.151 attack
2020-08-07T16:21:17.265826correo.[domain] sshd[11683]: Failed password for root from 5.135.224.151 port 38064 ssh2 2020-08-07T16:25:01.894277correo.[domain] sshd[12399]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip151.ip-5-135-224.eu user=root 2020-08-07T16:25:04.155756correo.[domain] sshd[12399]: Failed password for root from 5.135.224.151 port 46888 ssh2 ...
2020-08-08 06:50:14
132.148.154.8 attackbotsspam
132.148.154.8 - - [07/Aug/2020:21:25:33 +0100] "POST /wp-login.php HTTP/1.1" 200 1792 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
132.148.154.8 - - [07/Aug/2020:21:25:34 +0100] "POST /wp-login.php HTTP/1.1" 200 1768 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
132.148.154.8 - - [07/Aug/2020:21:25:35 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-08 06:55:06
1.179.137.10 attackbots
Too many connections or unauthorized access detected from Arctic banned ip
2020-08-08 06:53:27
49.69.35.61 attackspam
20 attempts against mh-ssh on sun
2020-08-08 06:41:05
94.102.56.216 attackspambots
ET CINS Active Threat Intelligence Poor Reputation IP group 92 - port: 49209 proto: udp cat: Misc Attackbytes: 71
2020-08-08 06:55:20
111.230.56.118 attackspam
2020-08-07T02:44:51.523287perso.[domain] sshd[4012812]: Failed password for root from 111.230.56.118 port 45360 ssh2 2020-08-07T02:50:42.371992perso.[domain] sshd[4015540]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.56.118 user=root 2020-08-07T02:50:44.093848perso.[domain] sshd[4015540]: Failed password for root from 111.230.56.118 port 49132 ssh2 ...
2020-08-08 07:05:10
115.171.86.29 attackspambots
Aug  7 22:19:46 sshgateway sshd\[7552\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.171.86.29  user=root
Aug  7 22:19:48 sshgateway sshd\[7552\]: Failed password for root from 115.171.86.29 port 50664 ssh2
Aug  7 22:25:36 sshgateway sshd\[7576\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.171.86.29  user=root
2020-08-08 06:54:24
141.98.9.160 attackspambots
Aug  8 05:43:21 webhost01 sshd[3660]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.9.160
Aug  8 05:43:22 webhost01 sshd[3660]: Failed password for invalid user user from 141.98.9.160 port 40781 ssh2
...
2020-08-08 06:51:19
200.45.147.129 attackbots
Aug  7 22:09:00 game-panel sshd[19181]: Failed password for root from 200.45.147.129 port 4591 ssh2
Aug  7 22:13:46 game-panel sshd[19536]: Failed password for root from 200.45.147.129 port 10974 ssh2
2020-08-08 06:37:03

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