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 <<>> 104.21.37.213
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6623
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.37.213.			IN	A

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

;; Query time: 42 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:23:36 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 213.37.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 213.37.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
186.92.7.223 attackspam
Unauthorized connection attempt detected from IP address 186.92.7.223 to port 80
2020-05-05 04:26:49
222.101.206.56 attack
$f2bV_matches
2020-05-05 04:44:21
190.94.150.195 attackspam
Unauthorized connection attempt detected from IP address 190.94.150.195 to port 8080
2020-05-05 04:25:50
80.211.245.103 attackspambots
2020-05-04T20:22:49.944944shield sshd\[6192\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.245.103  user=root
2020-05-04T20:22:51.559258shield sshd\[6192\]: Failed password for root from 80.211.245.103 port 46180 ssh2
2020-05-04T20:27:37.097174shield sshd\[7614\]: Invalid user johanna from 80.211.245.103 port 55622
2020-05-04T20:27:37.101601shield sshd\[7614\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.245.103
2020-05-04T20:27:39.252972shield sshd\[7614\]: Failed password for invalid user johanna from 80.211.245.103 port 55622 ssh2
2020-05-05 04:27:43
106.12.192.201 attackbotsspam
May  4 15:48:37 home sshd[29488]: Failed password for root from 106.12.192.201 port 53912 ssh2
May  4 15:52:36 home sshd[30127]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.192.201
May  4 15:52:38 home sshd[30127]: Failed password for invalid user j from 106.12.192.201 port 41728 ssh2
...
2020-05-05 04:18:33
109.125.251.238 attack
xmlrpc attack
2020-05-05 04:41:48
54.36.185.99 attackbots
This IP address serves a script targeting cron jobs
2020-05-05 04:16:30
87.251.74.31 attackspam
May  4 20:32:07 scw-6657dc sshd[2616]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.251.74.31
May  4 20:32:07 scw-6657dc sshd[2616]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.251.74.31
May  4 20:32:09 scw-6657dc sshd[2616]: Failed password for invalid user user from 87.251.74.31 port 59034 ssh2
...
2020-05-05 04:33:53
91.137.18.106 attackspam
Forbidden directory scan :: 2020/05/04 12:06:56 [error] 33379#33379: *1367221 access forbidden by rule, client: 91.137.18.106, server: [censored_1], request: "GET /knowledge-base/%ht_kb_category%/chrome-how-to-display-pdf-outside-of-browser-download/feed/ HTTP/1.1", host: "www.[censored_1]"
2020-05-05 04:13:54
191.31.25.82 attackbots
May  4 19:39:27 web01 sshd[5437]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.31.25.82 
May  4 19:39:30 web01 sshd[5437]: Failed password for invalid user brian from 191.31.25.82 port 59503 ssh2
...
2020-05-05 04:14:09
192.144.140.20 attack
k+ssh-bruteforce
2020-05-05 04:15:47
159.65.132.170 attack
May  4 10:24:13 php1 sshd\[4314\]: Invalid user piotr from 159.65.132.170
May  4 10:24:13 php1 sshd\[4314\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.132.170
May  4 10:24:15 php1 sshd\[4314\]: Failed password for invalid user piotr from 159.65.132.170 port 58176 ssh2
May  4 10:27:30 php1 sshd\[4549\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.132.170  user=root
May  4 10:27:32 php1 sshd\[4549\]: Failed password for root from 159.65.132.170 port 52194 ssh2
2020-05-05 04:33:34
151.101.38.214 attack
05/04/2020-22:27:30.824978 151.101.38.214 Protocol: 6 SURICATA TLS invalid record/traffic
2020-05-05 04:36:00
185.143.74.73 attackbots
May  4 22:30:05 v22019058497090703 postfix/smtpd[12516]: warning: unknown[185.143.74.73]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May  4 22:31:10 v22019058497090703 postfix/smtpd[12516]: warning: unknown[185.143.74.73]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May  4 22:32:16 v22019058497090703 postfix/smtpd[12516]: warning: unknown[185.143.74.73]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-05-05 04:45:35
184.154.47.2 attackbotsspam
Unauthorized connection attempt detected from IP address 184.154.47.2 to port 23
2020-05-05 04:27:06

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