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 <<>> 104.21.66.209
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45464
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.209.			IN	A

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

;; Query time: 160 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:16:38 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 209.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 209.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.38.144.49 attackbots
Feb  3 09:38:45 mail postfix/smtpd\[451\]: warning: unknown\[46.38.144.49\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Feb  3 09:39:18 mail postfix/smtpd\[451\]: warning: unknown\[46.38.144.49\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Feb  3 10:09:26 mail postfix/smtpd\[1437\]: warning: unknown\[46.38.144.49\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Feb  3 10:10:07 mail postfix/smtpd\[1437\]: warning: unknown\[46.38.144.49\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2020-02-03 17:12:21
49.88.112.62 attackbotsspam
Feb  3 09:50:29 SilenceServices sshd[25507]: Failed password for root from 49.88.112.62 port 60075 ssh2
Feb  3 09:50:33 SilenceServices sshd[25507]: Failed password for root from 49.88.112.62 port 60075 ssh2
Feb  3 09:50:36 SilenceServices sshd[25507]: Failed password for root from 49.88.112.62 port 60075 ssh2
Feb  3 09:50:43 SilenceServices sshd[25507]: error: maximum authentication attempts exceeded for root from 49.88.112.62 port 60075 ssh2 [preauth]
2020-02-03 16:54:10
139.59.136.84 attack
Automatic report - XMLRPC Attack
2020-02-03 16:56:03
54.38.241.162 attackbots
Unauthorized connection attempt detected from IP address 54.38.241.162 to port 2220 [J]
2020-02-03 17:23:25
187.0.160.130 attackspam
Feb  3 05:49:49 hosting180 sshd[24101]: Invalid user deepthi from 187.0.160.130 port 52300
...
2020-02-03 17:05:35
218.92.0.171 attackbots
Feb  3 09:49:32 MK-Soft-Root2 sshd[10853]: Failed password for root from 218.92.0.171 port 60425 ssh2
Feb  3 09:49:36 MK-Soft-Root2 sshd[10853]: Failed password for root from 218.92.0.171 port 60425 ssh2
...
2020-02-03 16:57:41
179.185.208.218 attackbotsspam
Honeypot attack, port: 81, PTR: 179.185.208.218.dynamic.adsl.gvt.net.br.
2020-02-03 17:00:49
113.141.180.238 attackspambots
Feb  3 07:15:57 srv01 sshd[23565]: Invalid user 123456 from 113.141.180.238 port 56236
Feb  3 07:15:57 srv01 sshd[23565]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.141.180.238
Feb  3 07:15:57 srv01 sshd[23565]: Invalid user 123456 from 113.141.180.238 port 56236
Feb  3 07:16:00 srv01 sshd[23565]: Failed password for invalid user 123456 from 113.141.180.238 port 56236 ssh2
Feb  3 07:19:58 srv01 sshd[23763]: Invalid user jake from 113.141.180.238 port 52198
...
2020-02-03 17:03:04
192.186.23.25 attack
POST /wuwu11.php HTTP/1.1 404 10068 Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.91 Safari/537.36
2020-02-03 16:54:25
212.64.40.155 attackspam
Unauthorized connection attempt detected from IP address 212.64.40.155 to port 2220 [J]
2020-02-03 17:03:52
80.229.253.212 attackspambots
2020-02-03T10:08:34.596472vps773228.ovh.net sshd[713]: Invalid user applmgr from 80.229.253.212 port 52626
2020-02-03T10:08:34.612276vps773228.ovh.net sshd[713]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=bfay1.pndsl.co.uk
2020-02-03T10:08:34.596472vps773228.ovh.net sshd[713]: Invalid user applmgr from 80.229.253.212 port 52626
2020-02-03T10:08:36.884387vps773228.ovh.net sshd[713]: Failed password for invalid user applmgr from 80.229.253.212 port 52626 ssh2
2020-02-03T10:12:03.199553vps773228.ovh.net sshd[716]: Invalid user ftpuser from 80.229.253.212 port 35079
2020-02-03T10:12:03.215539vps773228.ovh.net sshd[716]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=bfay1.pndsl.co.uk
2020-02-03T10:12:03.199553vps773228.ovh.net sshd[716]: Invalid user ftpuser from 80.229.253.212 port 35079
2020-02-03T10:12:05.512927vps773228.ovh.net sshd[716]: Failed password for invalid user ftpuser from 80.229.253.212 po
...
2020-02-03 17:31:45
218.92.0.192 attack
2020-02-02T03:14:23.372287matrix sshd[1338325]: User root from 218.92.0.192 not allowed because none of user's groups are listed in AllowGroups
2020-02-03T03:54:27.201693matrix sshd[1401897]: User root from 218.92.0.192 not allowed because none of user's groups are listed in AllowGroups
2020-02-03T04:49:47.747458matrix sshd[1404280]: User root from 218.92.0.192 not allowed because none of user's groups are listed in AllowGroups
...
2020-02-03 17:07:39
80.82.64.146 attack
firewall-block, port(s): 1222/tcp
2020-02-03 17:02:18
218.92.0.210 attackbotsspam
Brute force SSH attack
2020-02-03 17:15:55
192.241.237.51 attackspambots
Port scan (80/tcp)
2020-02-03 17:07:06

Recently Reported IPs

104.21.66.195 104.21.66.210 104.21.66.222 104.21.66.218
104.21.66.189 104.21.66.17 13.225.71.6 104.21.66.226
104.21.66.230 104.21.66.250 104.21.66.245 104.21.66.251
104.21.66.252 104.21.66.38 104.21.66.33 104.21.66.31
104.21.66.37 104.21.66.55 104.21.66.62 104.21.66.68