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 <<>> 104.21.21.203
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14158
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.203.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:55:24 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 203.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 203.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
59.21.109.62 attackbots
Unauthorized connection attempt detected from IP address 59.21.109.62 to port 81 [J]
2020-02-03 08:50:32
78.15.83.163 attackbotsspam
Lines containing failures of 78.15.83.163
Feb  3 00:08:37 ks3370873 sshd[12664]: Invalid user pi from 78.15.83.163 port 34484
Feb  3 00:08:37 ks3370873 sshd[12664]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.15.83.163 
Feb  3 00:08:37 ks3370873 sshd[12666]: Invalid user pi from 78.15.83.163 port 34486
Feb  3 00:08:37 ks3370873 sshd[12666]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.15.83.163 


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=78.15.83.163
2020-02-03 08:55:00
162.243.128.29 attackspambots
Unauthorized connection attempt
IP: 162.243.128.29
Ports affected
    Message Submission (587) 
Abuse Confidence rating 71%
ASN Details
   AS14061 DIGITALOCEAN-ASN
   United States (US)
   CIDR 162.243.0.0/16
Log Date: 2/02/2020 10:37:54 PM UTC
2020-02-03 08:33:17
51.254.206.149 attack
Unauthorized connection attempt detected from IP address 51.254.206.149 to port 2220 [J]
2020-02-03 08:19:56
39.98.124.123 attackspambots
IP: 39.98.124.123
Ports affected
    World Wide Web HTTP (80) 
Abuse Confidence rating 83%
Found in DNSBL('s)
ASN Details
   AS37963 Hangzhou Alibaba Advertising Co. Ltd.
   China (CN)
   CIDR 39.96.0.0/13
Log Date: 2/02/2020 10:48:32 PM UTC
2020-02-03 08:22:00
222.24.63.126 attack
Feb  2 14:16:18 eddieflores sshd\[6717\]: Invalid user ankur from 222.24.63.126
Feb  2 14:16:18 eddieflores sshd\[6717\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.24.63.126
Feb  2 14:16:20 eddieflores sshd\[6717\]: Failed password for invalid user ankur from 222.24.63.126 port 58598 ssh2
Feb  2 14:19:16 eddieflores sshd\[6766\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.24.63.126  user=root
Feb  2 14:19:19 eddieflores sshd\[6766\]: Failed password for root from 222.24.63.126 port 50572 ssh2
2020-02-03 08:41:23
104.244.78.205 attack
firewall-block, port(s): 22/tcp
2020-02-03 08:15:00
222.186.52.78 attack
Feb  3 00:28:52 * sshd[4770]: Failed password for root from 222.186.52.78 port 35176 ssh2
2020-02-03 08:27:55
80.82.65.82 attackbots
02/03/2020-00:37:23.032565 80.82.65.82 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-02-03 08:19:38
117.184.114.140 attackbotsspam
Feb  3 04:56:58 gw1 sshd[27112]: Failed password for root from 117.184.114.140 port 50138 ssh2
Feb  3 05:00:47 gw1 sshd[27173]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.184.114.140
...
2020-02-03 08:12:59
101.91.200.186 attackbots
Unauthorized connection attempt detected from IP address 101.91.200.186 to port 2220 [J]
2020-02-03 08:26:21
51.38.186.207 attackspam
Unauthorized connection attempt detected from IP address 51.38.186.207 to port 2220 [J]
2020-02-03 08:20:20
222.82.228.98 attackspambots
Feb  3 00:51:09 ns4 sshd[17739]: Invalid user test from 222.82.228.98
Feb  3 00:51:09 ns4 sshd[17739]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.82.228.98 
Feb  3 00:51:10 ns4 sshd[17739]: Failed password for invalid user test from 222.82.228.98 port 52312 ssh2
Feb  3 00:52:50 ns4 sshd[17944]: Invalid user scaner from 222.82.228.98
Feb  3 00:52:51 ns4 sshd[17944]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.82.228.98 
Feb  3 00:52:52 ns4 sshd[17944]: Failed password for invalid user scaner from 222.82.228.98 port 34072 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=222.82.228.98
2020-02-03 08:39:54
121.162.60.159 attackspambots
Feb  3 01:23:58 silence02 sshd[2432]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.162.60.159
Feb  3 01:24:00 silence02 sshd[2432]: Failed password for invalid user iq from 121.162.60.159 port 54626 ssh2
Feb  3 01:27:38 silence02 sshd[2815]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.162.60.159
2020-02-03 08:51:34
51.255.173.222 attack
Unauthorized connection attempt detected from IP address 51.255.173.222 to port 2220 [J]
2020-02-03 08:34:48

Recently Reported IPs

104.21.21.200 104.21.21.206 104.21.21.208 104.21.21.21
59.162.123.94 104.21.21.216 93.241.181.231 104.21.21.217
104.21.21.220 104.21.21.224 104.21.21.226 104.21.21.230
59.45.223.100 104.21.21.233 104.21.21.234 170.220.97.189
104.21.21.235 104.21.21.238 104.21.21.244 104.21.21.247