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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.37.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3848
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.37.99.			IN	A

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

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:27:32 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 99.37.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 99.37.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
217.19.154.220 attack
May 26 21:37:58 [host] sshd[4977]: Invalid user io
May 26 21:37:58 [host] sshd[4977]: pam_unix(sshd:a
May 26 21:38:00 [host] sshd[4977]: Failed password
2020-05-27 03:52:38
111.230.210.229 attack
Invalid user dbus from 111.230.210.229 port 59618
2020-05-27 03:43:03
139.59.2.184 attack
Invalid user link from 139.59.2.184 port 49412
2020-05-27 03:39:15
81.26.252.239 attack
$f2bV_matches
2020-05-27 03:32:24
207.154.229.50 attack
2020-05-26T19:04:19.964601shield sshd\[9934\]: Invalid user squid from 207.154.229.50 port 39238
2020-05-26T19:04:19.968533shield sshd\[9934\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.229.50
2020-05-26T19:04:21.716733shield sshd\[9934\]: Failed password for invalid user squid from 207.154.229.50 port 39238 ssh2
2020-05-26T19:10:21.387605shield sshd\[11141\]: Invalid user mysql from 207.154.229.50 port 51640
2020-05-26T19:10:21.391236shield sshd\[11141\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.229.50
2020-05-27 03:20:51
134.209.50.169 attackspambots
May 26 18:53:13 vpn01 sshd[4634]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.50.169
May 26 18:53:14 vpn01 sshd[4634]: Failed password for invalid user asterisk from 134.209.50.169 port 46564 ssh2
...
2020-05-27 03:28:35
119.86.215.150 attackbots
Automatic report - Port Scan
2020-05-27 03:49:07
195.223.211.242 attackbotsspam
2020-05-26 17:58:19,039 fail2ban.actions        [937]: NOTICE  [sshd] Ban 195.223.211.242
2020-05-26 18:35:53,078 fail2ban.actions        [937]: NOTICE  [sshd] Ban 195.223.211.242
2020-05-26 19:12:49,257 fail2ban.actions        [937]: NOTICE  [sshd] Ban 195.223.211.242
2020-05-26 19:53:22,696 fail2ban.actions        [937]: NOTICE  [sshd] Ban 195.223.211.242
2020-05-26 20:29:50,364 fail2ban.actions        [937]: NOTICE  [sshd] Ban 195.223.211.242
...
2020-05-27 03:26:18
185.220.100.242 attack
(sshd) Failed SSH login from 185.220.100.242 (DE/Germany/tor-exit-15.zbau.f3netze.de): 5 in the last 3600 secs
2020-05-27 03:38:00
218.92.0.165 attack
2020-05-26T22:38:20.114579afi-git.jinr.ru sshd[15083]: Failed password for root from 218.92.0.165 port 56185 ssh2
2020-05-26T22:38:23.095969afi-git.jinr.ru sshd[15083]: Failed password for root from 218.92.0.165 port 56185 ssh2
2020-05-26T22:38:26.488375afi-git.jinr.ru sshd[15083]: Failed password for root from 218.92.0.165 port 56185 ssh2
2020-05-26T22:38:26.488497afi-git.jinr.ru sshd[15083]: error: maximum authentication attempts exceeded for root from 218.92.0.165 port 56185 ssh2 [preauth]
2020-05-26T22:38:26.488511afi-git.jinr.ru sshd[15083]: Disconnecting: Too many authentication failures [preauth]
...
2020-05-27 03:40:34
188.254.0.124 attack
Failed password for invalid user glassfish from 188.254.0.124 port 42700 ssh2
2020-05-27 03:28:03
167.71.211.11 attackbotsspam
Trolling for resource vulnerabilities
2020-05-27 03:58:49
222.186.30.59 attack
May 26 21:55:22 vps639187 sshd\[21345\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.59  user=root
May 26 21:55:24 vps639187 sshd\[21345\]: Failed password for root from 222.186.30.59 port 14245 ssh2
May 26 21:55:26 vps639187 sshd\[21345\]: Failed password for root from 222.186.30.59 port 14245 ssh2
...
2020-05-27 03:56:23
104.248.29.233 attack
May 26 17:53:07 postfix postfix/smtpd\[23224\]: lost connection after UNKNOWN from unknown\[104.248.29.233\]
May 26 17:53:07 postfix postfix/smtpd\[23222\]: lost connection after UNKNOWN from unknown\[104.248.29.233\]
...
2020-05-27 03:25:59
192.42.116.24 attackspambots
(sshd) Failed SSH login from 192.42.116.24 (NL/Netherlands/this-is-a-tor-exit-node-hviv124.hviv.nl): 5 in the last 3600 secs
2020-05-27 03:54:48

Recently Reported IPs

104.21.37.93 104.21.38.103 104.21.38.109 104.21.38.11
104.21.38.112 104.21.38.119 104.21.38.120 104.21.38.134
104.21.38.136 104.21.38.140 104.21.38.143 104.21.38.144
104.21.38.146 104.21.38.148 104.21.38.152 104.21.38.155
104.21.38.160 104.21.38.162 104.21.38.168 5.94.143.50