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 <<>> 104.21.8.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60409
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.8.73.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021801 1800 900 604800 86400

;; Query time: 109 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 19 03:31:10 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 73.8.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.8.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
58.210.128.130 attack
Apr 19 06:07:23 srv-ubuntu-dev3 sshd[90404]: Invalid user ih from 58.210.128.130
Apr 19 06:07:23 srv-ubuntu-dev3 sshd[90404]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.128.130
Apr 19 06:07:23 srv-ubuntu-dev3 sshd[90404]: Invalid user ih from 58.210.128.130
Apr 19 06:07:26 srv-ubuntu-dev3 sshd[90404]: Failed password for invalid user ih from 58.210.128.130 port 10766 ssh2
Apr 19 06:11:02 srv-ubuntu-dev3 sshd[91016]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.128.130  user=root
Apr 19 06:11:04 srv-ubuntu-dev3 sshd[91016]: Failed password for root from 58.210.128.130 port 10787 ssh2
Apr 19 06:15:02 srv-ubuntu-dev3 sshd[91598]: Invalid user np from 58.210.128.130
Apr 19 06:15:02 srv-ubuntu-dev3 sshd[91598]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.128.130
Apr 19 06:15:02 srv-ubuntu-dev3 sshd[91598]: Invalid user np from 58.210.128.13
...
2020-04-19 12:20:05
192.99.34.142 attackbotsspam
Wordpress malicious attack:[octawpauthor]
2020-04-19 12:40:52
49.235.76.154 attack
Apr 19 06:10:00 plex sshd[8422]: Failed password for invalid user stephen from 49.235.76.154 port 36196 ssh2
Apr 19 06:09:58 plex sshd[8422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.76.154
Apr 19 06:09:58 plex sshd[8422]: Invalid user stephen from 49.235.76.154 port 36196
Apr 19 06:10:00 plex sshd[8422]: Failed password for invalid user stephen from 49.235.76.154 port 36196 ssh2
Apr 19 06:14:51 plex sshd[8565]: Invalid user ubuntu from 49.235.76.154 port 60704
2020-04-19 12:17:25
85.96.242.153 attack
port scan and connect, tcp 23 (telnet)
2020-04-19 12:25:59
86.62.81.50 attackbots
$f2bV_matches
2020-04-19 12:31:34
222.186.173.154 attackbotsspam
Apr 19 06:34:04 vps sshd[428076]: Failed password for root from 222.186.173.154 port 25348 ssh2
Apr 19 06:34:08 vps sshd[428076]: Failed password for root from 222.186.173.154 port 25348 ssh2
Apr 19 06:34:11 vps sshd[428076]: Failed password for root from 222.186.173.154 port 25348 ssh2
Apr 19 06:34:15 vps sshd[428076]: Failed password for root from 222.186.173.154 port 25348 ssh2
Apr 19 06:34:17 vps sshd[428076]: Failed password for root from 222.186.173.154 port 25348 ssh2
...
2020-04-19 12:41:19
106.12.198.158 attackbotsspam
$f2bV_matches
2020-04-19 12:23:57
165.22.92.57 attack
ssh brute force
2020-04-19 12:34:14
192.241.235.172 attackspambots
srv03 Mass scanning activity detected Target: 264  ..
2020-04-19 12:46:00
223.247.130.195 attackbotsspam
(sshd) Failed SSH login from 223.247.130.195 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 19 06:36:09 srv sshd[19438]: Invalid user dspace from 223.247.130.195 port 38643
Apr 19 06:36:11 srv sshd[19438]: Failed password for invalid user dspace from 223.247.130.195 port 38643 ssh2
Apr 19 06:52:07 srv sshd[19867]: Invalid user test from 223.247.130.195 port 38498
Apr 19 06:52:10 srv sshd[19867]: Failed password for invalid user test from 223.247.130.195 port 38498 ssh2
Apr 19 06:56:39 srv sshd[19988]: Invalid user git from 223.247.130.195 port 40440
2020-04-19 12:15:20
163.172.158.205 attackbots
Apr 19 07:08:16 ift sshd\[36796\]: Invalid user test from 163.172.158.205Apr 19 07:08:18 ift sshd\[36796\]: Failed password for invalid user test from 163.172.158.205 port 39374 ssh2Apr 19 07:12:11 ift sshd\[37557\]: Failed password for invalid user admin from 163.172.158.205 port 55048 ssh2Apr 19 07:16:04 ift sshd\[38729\]: Invalid user ubuntu from 163.172.158.205Apr 19 07:16:06 ift sshd\[38729\]: Failed password for invalid user ubuntu from 163.172.158.205 port 42482 ssh2
...
2020-04-19 12:26:43
8.209.78.24 attack
04/18/2020-23:55:57.988630 8.209.78.24 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-04-19 12:51:24
117.48.205.45 attackbotsspam
117.48.205.45 - - \[19/Apr/2020:06:25:54 +0200\] "POST /wp-login.php HTTP/1.0" 200 3696 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
117.48.205.45 - - \[19/Apr/2020:06:26:09 +0200\] "POST /wp-login.php HTTP/1.0" 200 4236 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
117.48.205.45 - - \[19/Apr/2020:06:26:13 +0200\] "POST /xmlrpc.php HTTP/1.0" 200 736 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2020-04-19 12:39:00
66.249.79.254 attackbots
MYH,DEF GET /adminer1.php
2020-04-19 12:36:02
39.164.132.50 attack
2020-04-19T04:08:19.401922shield sshd\[1927\]: Invalid user postgres from 39.164.132.50 port 2058
2020-04-19T04:08:19.405539shield sshd\[1927\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.164.132.50
2020-04-19T04:08:20.879636shield sshd\[1927\]: Failed password for invalid user postgres from 39.164.132.50 port 2058 ssh2
2020-04-19T04:14:35.280144shield sshd\[3778\]: Invalid user ubuntu from 39.164.132.50 port 2059
2020-04-19T04:14:35.284047shield sshd\[3778\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.164.132.50
2020-04-19 12:39:57

Recently Reported IPs

104.21.81.139 104.21.82.151 104.21.82.184 212.7.29.8
104.21.80.31 104.21.82.200 104.21.82.18 104.21.82.209
104.21.82.236 104.21.82.211 104.21.84.168 104.21.84.248
104.21.84.18 104.21.82.80 104.21.84.109 104.21.85.232
104.21.85.131 104.21.84.172 104.21.85.72 104.21.86.129