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 <<>> 104.21.8.173
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52874
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.8.173.			IN	A

;; AUTHORITY SECTION:
.			598	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 92 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:59:43 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 173.8.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 173.8.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.67.14.180 attackspambots
Oct  3 16:53:31 mail sshd\[33070\]: Invalid user oracle from 45.67.14.180
Oct  3 16:53:31 mail sshd\[33070\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.67.14.180
...
2019-10-04 05:17:33
47.47.129.53 attack
Unauthorised access (Oct  3) SRC=47.47.129.53 LEN=44 TOS=0x10 PREC=0x40 TTL=49 ID=65441 TCP DPT=23 WINDOW=19746 SYN
2019-10-04 05:14:42
106.12.107.225 attackbotsspam
SSH invalid-user multiple login attempts
2019-10-04 05:12:36
113.189.215.36 attackbotsspam
Chat Spam
2019-10-04 05:36:24
222.135.210.210 attackbotsspam
Oct  3 16:52:44 mail sshd\[32961\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.135.210.210  user=root
...
2019-10-04 05:48:10
92.50.249.166 attackbotsspam
Oct  3 23:27:42 ns41 sshd[21541]: Failed password for root from 92.50.249.166 port 48320 ssh2
Oct  3 23:31:28 ns41 sshd[21697]: Failed password for root from 92.50.249.166 port 60538 ssh2
2019-10-04 05:42:04
197.85.7.159 attack
timhelmke.de 197.85.7.159 \[03/Oct/2019:22:52:45 +0200\] "POST /wp-login.php HTTP/1.1" 200 5594 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
timhelmke.de 197.85.7.159 \[03/Oct/2019:22:52:48 +0200\] "POST /wp-login.php HTTP/1.1" 200 5545 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-10-04 05:47:01
106.12.99.173 attack
Oct  3 23:10:39 mail sshd\[30173\]: Failed password for invalid user arkserver from 106.12.99.173 port 34112 ssh2
Oct  3 23:14:40 mail sshd\[30551\]: Invalid user user from 106.12.99.173 port 41032
Oct  3 23:14:40 mail sshd\[30551\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.99.173
Oct  3 23:14:42 mail sshd\[30551\]: Failed password for invalid user user from 106.12.99.173 port 41032 ssh2
Oct  3 23:18:41 mail sshd\[30882\]: Invalid user pos from 106.12.99.173 port 47940
Oct  3 23:18:41 mail sshd\[30882\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.99.173
2019-10-04 05:24:50
23.95.235.5 attackbotsspam
Fail2Ban Ban Triggered
2019-10-04 05:40:39
27.17.36.254 attackbots
Oct  3 23:17:56 dedicated sshd[21423]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.17.36.254  user=root
Oct  3 23:17:57 dedicated sshd[21423]: Failed password for root from 27.17.36.254 port 44651 ssh2
2019-10-04 05:39:39
150.95.153.82 attack
Oct  3 23:17:09 mail sshd\[30767\]: Invalid user ubnt from 150.95.153.82 port 45662
Oct  3 23:17:09 mail sshd\[30767\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.95.153.82
Oct  3 23:17:12 mail sshd\[30767\]: Failed password for invalid user ubnt from 150.95.153.82 port 45662 ssh2
Oct  3 23:21:24 mail sshd\[31147\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.95.153.82  user=root
Oct  3 23:21:25 mail sshd\[31147\]: Failed password for root from 150.95.153.82 port 58456 ssh2
2019-10-04 05:23:38
103.122.33.43 attackbotsspam
Oct  3 23:34:52 vps647732 sshd[22938]: Failed password for root from 103.122.33.43 port 54650 ssh2
...
2019-10-04 05:44:28
200.233.231.197 attack
Automatic report - Port Scan Attack
2019-10-04 05:15:04
183.131.82.99 attack
Oct  3 23:27:22 vps691689 sshd[4921]: Failed password for root from 183.131.82.99 port 18190 ssh2
Oct  3 23:27:25 vps691689 sshd[4921]: Failed password for root from 183.131.82.99 port 18190 ssh2
Oct  3 23:27:28 vps691689 sshd[4921]: Failed password for root from 183.131.82.99 port 18190 ssh2
...
2019-10-04 05:28:14
103.17.159.54 attack
Oct  4 02:37:45 areeb-Workstation sshd[28405]: Failed password for root from 103.17.159.54 port 38040 ssh2
...
2019-10-04 05:17:10

Recently Reported IPs

104.21.8.175 104.21.8.18 104.21.8.181 104.21.8.182
104.21.8.183 104.21.8.180 104.21.8.185 104.21.8.190
104.21.8.19 104.21.8.191 104.21.8.188 104.21.8.184
104.21.8.189 104.21.8.192 104.21.8.195 104.21.8.196
104.21.8.193 104.21.8.194 104.21.8.198 104.21.8.199