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 <<>> 104.18.21.215
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54377
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.21.215.			IN	A

;; AUTHORITY SECTION:
.			254	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022040600 1800 900 604800 86400

;; Query time: 187 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Apr 06 23:43:14 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 215.21.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 215.21.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
197.1.168.207 attackspam
Email rejected due to spam filtering
2020-03-09 23:18:58
54.37.157.88 attackbotsspam
Mar  9 16:04:00 server sshd[951065]: Failed password for root from 54.37.157.88 port 33665 ssh2
Mar  9 16:08:02 server sshd[957596]: Failed password for invalid user hr from 54.37.157.88 port 41450 ssh2
Mar  9 16:12:06 server sshd[963964]: Failed password for invalid user tkissftp from 54.37.157.88 port 49238 ssh2
2020-03-09 23:20:39
103.44.27.58 attackspambots
Mar  9 15:43:49 h2779839 sshd[4013]: Invalid user diego from 103.44.27.58 port 34711
Mar  9 15:43:49 h2779839 sshd[4013]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.44.27.58
Mar  9 15:43:49 h2779839 sshd[4013]: Invalid user diego from 103.44.27.58 port 34711
Mar  9 15:43:50 h2779839 sshd[4013]: Failed password for invalid user diego from 103.44.27.58 port 34711 ssh2
Mar  9 15:45:32 h2779839 sshd[4037]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.44.27.58  user=root
Mar  9 15:45:34 h2779839 sshd[4037]: Failed password for root from 103.44.27.58 port 46387 ssh2
Mar  9 15:47:12 h2779839 sshd[4076]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.44.27.58  user=root
Mar  9 15:47:14 h2779839 sshd[4076]: Failed password for root from 103.44.27.58 port 58270 ssh2
Mar  9 15:48:55 h2779839 sshd[4096]: pam_unix(sshd:auth): authentication failure; logname= u
...
2020-03-09 23:31:59
31.135.40.161 attackspambots
1583756959 - 03/09/2020 13:29:19 Host: 31.135.40.161/31.135.40.161 Port: 445 TCP Blocked
2020-03-09 23:34:27
87.236.212.51 attack
scans 2 times in preceeding hours on the ports (in chronological order) 3388 3387
2020-03-09 23:24:42
170.210.214.50 attackspambots
SSH authentication failure x 6 reported by Fail2Ban
...
2020-03-09 23:03:32
201.246.240.56 attackspam
Automatic report - Port Scan Attack
2020-03-09 23:31:32
37.187.145.20 attack
Lines containing failures of 37.187.145.20
Mar  9 06:02:11 nexus sshd[30547]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.145.20  user=r.r
Mar  9 06:02:13 nexus sshd[30547]: Failed password for r.r from 37.187.145.20 port 34031 ssh2
Mar  9 06:02:13 nexus sshd[30547]: Received disconnect from 37.187.145.20 port 34031:11: Bye Bye [preauth]
Mar  9 06:02:13 nexus sshd[30547]: Disconnected from 37.187.145.20 port 34031 [preauth]
Mar  9 06:26:33 nexus sshd[3269]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.145.20  user=r.r
Mar  9 06:26:34 nexus sshd[3269]: Failed password for r.r from 37.187.145.20 port 38062 ssh2
Mar  9 06:26:34 nexus sshd[3269]: Received disconnect from 37.187.145.20 port 38062:11: Bye Bye [preauth]
Mar  9 06:26:34 nexus sshd[3269]: Disconnected from 37.187.145.20 port 38062 [preauth]
Mar  9 06:32:58 nexus sshd[4701]: pam_unix(sshd:auth): authentication fail........
------------------------------
2020-03-09 23:22:13
112.85.42.176 attackbots
Mar  9 11:08:46 NPSTNNYC01T sshd[11769]: Failed password for root from 112.85.42.176 port 50249 ssh2
Mar  9 11:08:59 NPSTNNYC01T sshd[11769]: error: maximum authentication attempts exceeded for root from 112.85.42.176 port 50249 ssh2 [preauth]
Mar  9 11:09:06 NPSTNNYC01T sshd[11778]: Failed password for root from 112.85.42.176 port 9767 ssh2
...
2020-03-09 23:10:48
139.155.84.213 attack
suspicious action Mon, 09 Mar 2020 11:00:11 -0300
2020-03-09 22:56:54
106.12.10.21 attack
Mar  9 15:32:05 server sshd\[23876\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.10.21  user=root
Mar  9 15:32:07 server sshd\[23876\]: Failed password for root from 106.12.10.21 port 39392 ssh2
Mar  9 16:28:16 server sshd\[4776\]: Invalid user magda from 106.12.10.21
Mar  9 16:28:16 server sshd\[4776\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.10.21 
Mar  9 16:28:19 server sshd\[4776\]: Failed password for invalid user magda from 106.12.10.21 port 60636 ssh2
...
2020-03-09 22:59:53
90.71.22.132 attackbots
Scan detected and blocked 2020.03.09 13:29:19
2020-03-09 23:37:23
45.243.248.25 attackbots
firewall-block, port(s): 445/tcp
2020-03-09 22:52:38
212.96.79.58 attack
Email rejected due to spam filtering
2020-03-09 23:27:50
31.40.210.38 attack
B: Magento admin pass test (wrong country)
2020-03-09 23:34:46

Recently Reported IPs

104.18.21.123 104.18.211.85 104.18.216.59 104.18.217.59
104.18.24.107 104.18.246.0 104.18.248.196 104.18.249.175
104.18.249.66 104.18.25.107 104.18.250.66 104.18.253.4
104.18.26.96 104.18.27.96 104.18.36.34 104.18.4.105
104.18.4.229 104.18.43.253 104.18.45.126 104.18.5.105