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 <<>> 104.21.16.6
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33771
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.6.			IN	A

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

;; Query time: 26 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:12:41 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 6.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 6.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
134.73.7.246 attackbotsspam
2019-04-26 18:18:39 1hK3Yd-0005my-AF SMTP connection from isometric.sandyfadadu.com \(isometric.lavangimirchi.icu\) \[134.73.7.246\]:54516 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-26 18:19:25 1hK3ZN-0005oC-6a SMTP connection from isometric.sandyfadadu.com \(isometric.lavangimirchi.icu\) \[134.73.7.246\]:51803 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-04-26 18:19:52 1hK3Zo-0005p1-AF SMTP connection from isometric.sandyfadadu.com \(isometric.lavangimirchi.icu\) \[134.73.7.246\]:46167 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 01:50:28
134.73.7.209 attack
2019-04-28 11:35:29 1hKgDZ-0007fu-Ck SMTP connection from showplace.sandyfadadu.com \(showplace.ajayelectricals.icu\) \[134.73.7.209\]:46108 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-28 11:37:13 1hKgFF-0007ie-38 SMTP connection from showplace.sandyfadadu.com \(showplace.ajayelectricals.icu\) \[134.73.7.209\]:42591 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-04-28 11:39:03 1hKgH1-0007mb-7L SMTP connection from showplace.sandyfadadu.com \(showplace.ajayelectricals.icu\) \[134.73.7.209\]:33503 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 02:19:15
187.185.15.89 attackspambots
Feb  4 16:02:08 srv-ubuntu-dev3 sshd[29753]: Invalid user ftp1 from 187.185.15.89
Feb  4 16:02:08 srv-ubuntu-dev3 sshd[29753]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.185.15.89
Feb  4 16:02:08 srv-ubuntu-dev3 sshd[29753]: Invalid user ftp1 from 187.185.15.89
Feb  4 16:02:10 srv-ubuntu-dev3 sshd[29753]: Failed password for invalid user ftp1 from 187.185.15.89 port 54000 ssh2
Feb  4 16:05:32 srv-ubuntu-dev3 sshd[30049]: Invalid user yahoo from 187.185.15.89
Feb  4 16:05:32 srv-ubuntu-dev3 sshd[30049]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.185.15.89
Feb  4 16:05:32 srv-ubuntu-dev3 sshd[30049]: Invalid user yahoo from 187.185.15.89
Feb  4 16:05:34 srv-ubuntu-dev3 sshd[30049]: Failed password for invalid user yahoo from 187.185.15.89 port 40534 ssh2
Feb  4 16:08:54 srv-ubuntu-dev3 sshd[30421]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.18
...
2020-02-05 02:24:29
134.73.7.198 attackspambots
2019-05-05 05:26:44 1hN7nX-0002xI-NF SMTP connection from son.sandyfadadu.com \(son.getsmony.icu\) \[134.73.7.198\]:48356 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-05-05 05:27:51 1hN7oc-0002yj-Tl SMTP connection from son.sandyfadadu.com \(son.getsmony.icu\) \[134.73.7.198\]:58499 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-05-05 05:28:36 1hN7pM-0002zZ-5k SMTP connection from son.sandyfadadu.com \(son.getsmony.icu\) \[134.73.7.198\]:57912 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 02:26:33
41.39.225.68 attackspam
20/2/4@08:49:57: FAIL: Alarm-Network address from=41.39.225.68
...
2020-02-05 01:59:17
134.73.7.195 attack
2019-04-10 01:21:21 1hE03N-0007pr-Jg SMTP connection from economic.sandyfadadu.com \(economic.despinamu.icu\) \[134.73.7.195\]:50892 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-10 01:21:30 1hE03W-0007px-AH SMTP connection from economic.sandyfadadu.com \(economic.despinamu.icu\) \[134.73.7.195\]:46169 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-10 01:24:41 1hE06b-0007tc-KO SMTP connection from economic.sandyfadadu.com \(economic.despinamu.icu\) \[134.73.7.195\]:55274 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 02:28:33
134.73.7.225 attackbots
2019-04-29 10:36:10 1hL1lh-0004oy-OP SMTP connection from pupil.sandyfadadu.com \(pupil.somintstudio.icu\) \[134.73.7.225\]:55667 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-29 10:36:28 1hL1m0-0004pQ-HY SMTP connection from pupil.sandyfadadu.com \(pupil.somintstudio.icu\) \[134.73.7.225\]:53742 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-29 10:38:27 1hL1nv-0004sS-Ke SMTP connection from pupil.sandyfadadu.com \(pupil.somintstudio.icu\) \[134.73.7.225\]:59872 I=\[193.107.90.29\]:25 closed by DROP in ACL
...
2020-02-05 02:08:29
134.73.7.210 attackbots
2019-04-29 11:34:28 1hL2g8-0006ni-AU SMTP connection from unit.sandyfadadu.com \(unit.bhagyarealities.icu\) \[134.73.7.210\]:47170 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-04-29 11:36:23 1hL2hz-0006t5-JC SMTP connection from unit.sandyfadadu.com \(unit.bhagyarealities.icu\) \[134.73.7.210\]:57850 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-29 11:36:31 1hL2i7-0006tJ-3x SMTP connection from unit.sandyfadadu.com \(unit.bhagyarealities.icu\) \[134.73.7.210\]:39694 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 02:18:50
1.234.23.23 attack
Feb  4 13:48:12 game-panel sshd[17801]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.234.23.23
Feb  4 13:48:14 game-panel sshd[17801]: Failed password for invalid user angelyn from 1.234.23.23 port 49794 ssh2
Feb  4 13:49:54 game-panel sshd[17849]: Failed password for root from 1.234.23.23 port 33000 ssh2
2020-02-05 02:02:19
143.159.219.72 attack
Feb  4 06:49:07 web9 sshd\[17668\]: Invalid user tange from 143.159.219.72
Feb  4 06:49:07 web9 sshd\[17668\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=143.159.219.72
Feb  4 06:49:08 web9 sshd\[17668\]: Failed password for invalid user tange from 143.159.219.72 port 64802 ssh2
Feb  4 06:55:30 web9 sshd\[18689\]: Invalid user webadmin from 143.159.219.72
Feb  4 06:55:30 web9 sshd\[18689\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=143.159.219.72
2020-02-05 01:48:00
49.88.112.75 attack
Feb  4 23:01:29 gw1 sshd[31046]: Failed password for root from 49.88.112.75 port 40584 ssh2
Feb  4 23:01:31 gw1 sshd[31046]: Failed password for root from 49.88.112.75 port 40584 ssh2
...
2020-02-05 02:10:25
190.85.6.90 attackspam
Unauthorized connection attempt detected from IP address 190.85.6.90 to port 2220 [J]
2020-02-05 02:13:35
185.175.93.17 attackspambots
ET DROP Dshield Block Listed Source group 1 - port: 22507 proto: TCP cat: Misc Attack
2020-02-05 02:09:01
134.73.7.230 attackspam
2019-04-25 18:43:23 1hJhT1-0001Gs-HD SMTP connection from obedience.sandyfadadu.com \(obedience.abenkhalifa.icu\) \[134.73.7.230\]:60448 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-25 18:43:28 1hJhT6-0001Gx-DR SMTP connection from obedience.sandyfadadu.com \(obedience.abenkhalifa.icu\) \[134.73.7.230\]:45189 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-25 18:45:18 1hJhUs-0001Kv-Ci SMTP connection from obedience.sandyfadadu.com \(obedience.abenkhalifa.icu\) \[134.73.7.230\]:53165 I=\[193.107.90.29\]:25 closed by DROP in ACL
...
2020-02-05 02:04:51
134.73.7.237 attackspambots
2019-05-04 22:25:07 1hN1DX-0001fn-Fg SMTP connection from sour.sandyfadadu.com \(sour.goyalpublishers.icu\) \[134.73.7.237\]:47928 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-05-04 22:27:27 1hN1Fn-0001i4-7y SMTP connection from sour.sandyfadadu.com \(sour.goyalpublishers.icu\) \[134.73.7.237\]:52960 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-05-04 22:27:45 1hN1G5-0001iL-Bl SMTP connection from sour.sandyfadadu.com \(sour.goyalpublishers.icu\) \[134.73.7.237\]:38797 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 01:59:36

Recently Reported IPs

104.21.16.58 104.21.16.63 104.21.16.64 104.21.16.60
104.21.16.65 104.21.16.38 104.21.16.67 104.21.67.68
104.21.16.8 104.21.16.68 104.21.16.75 104.21.16.86
104.21.16.97 104.21.16.78 104.21.16.94 104.21.16.80
104.21.17.105 104.21.16.81 104.21.17.122 104.21.17.124