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 <<>> 104.21.9.71
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32165
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.9.71.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:13:04 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 71.9.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 71.9.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.13.75.187 attack
Sep 14 11:59:01 abendstille sshd\[13928\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.75.187  user=root
Sep 14 11:59:03 abendstille sshd\[13928\]: Failed password for root from 106.13.75.187 port 46970 ssh2
Sep 14 12:01:41 abendstille sshd\[17327\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.75.187  user=root
Sep 14 12:01:44 abendstille sshd\[17327\]: Failed password for root from 106.13.75.187 port 52050 ssh2
Sep 14 12:04:14 abendstille sshd\[19764\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.75.187  user=root
...
2020-09-14 18:11:27
175.6.35.202 attack
(sshd) Failed SSH login from 175.6.35.202 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 14 04:48:20 optimus sshd[16537]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.6.35.202  user=root
Sep 14 04:48:23 optimus sshd[16537]: Failed password for root from 175.6.35.202 port 34656 ssh2
Sep 14 04:56:55 optimus sshd[19013]: Invalid user cron from 175.6.35.202
Sep 14 04:56:55 optimus sshd[19013]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.6.35.202 
Sep 14 04:56:58 optimus sshd[19013]: Failed password for invalid user cron from 175.6.35.202 port 56804 ssh2
2020-09-14 18:39:53
5.202.107.17 attackbotsspam
Sep 14 11:58:38 mellenthin sshd[11070]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.202.107.17  user=root
Sep 14 11:58:41 mellenthin sshd[11070]: Failed password for invalid user root from 5.202.107.17 port 37710 ssh2
2020-09-14 18:42:47
213.92.220.13 attackbots
Sep 14 11:30:15 mail.srvfarm.net postfix/smtpd[1912640]: warning: unknown[213.92.220.13]: SASL PLAIN authentication failed: 
Sep 14 11:30:15 mail.srvfarm.net postfix/smtpd[1912640]: lost connection after AUTH from unknown[213.92.220.13]
Sep 14 11:33:55 mail.srvfarm.net postfix/smtps/smtpd[1914409]: warning: unknown[213.92.220.13]: SASL PLAIN authentication failed: 
Sep 14 11:33:55 mail.srvfarm.net postfix/smtps/smtpd[1914409]: lost connection after AUTH from unknown[213.92.220.13]
Sep 14 11:35:42 mail.srvfarm.net postfix/smtpd[1915153]: warning: unknown[213.92.220.13]: SASL PLAIN authentication failed:
2020-09-14 18:38:49
50.47.140.203 attack
Sep 14 12:17:21 server sshd[39107]: Failed password for root from 50.47.140.203 port 56066 ssh2
Sep 14 12:17:25 server sshd[39107]: Failed password for root from 50.47.140.203 port 56066 ssh2
Sep 14 12:17:30 server sshd[39107]: Failed password for root from 50.47.140.203 port 56066 ssh2
2020-09-14 18:35:22
150.95.131.184 attackbots
Sep 14 10:10:07 dev0-dcde-rnet sshd[10895]: Failed password for root from 150.95.131.184 port 46416 ssh2
Sep 14 10:13:20 dev0-dcde-rnet sshd[10907]: Failed password for root from 150.95.131.184 port 42350 ssh2
2020-09-14 18:21:57
185.220.102.241 attackspam
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-09-14T10:23:19Z and 2020-09-14T10:23:21Z
2020-09-14 18:47:53
51.39.3.1 attackbots
Sep 13 18:51:05 [host] kernel: [5682328.987036] [U
Sep 13 18:51:06 [host] kernel: [5682330.001250] [U
Sep 13 18:51:08 [host] kernel: [5682331.965786] [U
Sep 13 18:51:09 [host] kernel: [5682333.005662] [U
Sep 13 18:51:11 [host] kernel: [5682335.125775] [U
Sep 13 18:51:12 [host] kernel: [5682336.139647] [U
2020-09-14 18:44:53
178.62.55.252 attackbotsspam
Sep 13 17:45:58 rush sshd[16101]: Failed password for root from 178.62.55.252 port 37128 ssh2
Sep 13 17:50:09 rush sshd[16298]: Failed password for root from 178.62.55.252 port 54482 ssh2
...
2020-09-14 18:45:35
188.166.6.130 attackspam
prod8
...
2020-09-14 18:33:29
220.76.205.178 attack
SSH brutforce
2020-09-14 18:18:47
157.55.202.184 attack
k+ssh-bruteforce
2020-09-14 18:50:19
192.81.208.44 attackspam
Sep 14 12:38:58 electroncash sshd[49671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.81.208.44 
Sep 14 12:38:58 electroncash sshd[49671]: Invalid user yang from 192.81.208.44 port 41964
Sep 14 12:39:00 electroncash sshd[49671]: Failed password for invalid user yang from 192.81.208.44 port 41964 ssh2
Sep 14 12:42:34 electroncash sshd[50998]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.81.208.44  user=root
Sep 14 12:42:36 electroncash sshd[50998]: Failed password for root from 192.81.208.44 port 44211 ssh2
...
2020-09-14 18:47:39
138.68.148.177 attackbots
$f2bV_matches
2020-09-14 18:17:49
27.73.187.196 attackspam
1600015903 - 09/13/2020 18:51:43 Host: 27.73.187.196/27.73.187.196 Port: 445 TCP Blocked
2020-09-14 18:26:59

Recently Reported IPs

104.21.9.65 104.21.9.73 104.21.9.74 104.21.9.78
104.21.9.75 104.21.9.79 104.21.9.8 104.21.9.83
104.21.9.81 104.21.9.87 104.21.9.85 104.21.9.84
104.21.9.89 104.21.9.86 104.21.9.9 104.21.9.91
104.21.9.88 104.21.9.90 104.21.9.92 104.21.9.95