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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.16.209
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24838
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.209.			IN	A

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

;; Query time: 84 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:12:40 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 209.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 209.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
5.94.203.205 attack
Brute-force attempt banned
2020-02-09 03:39:40
113.172.113.240 attackspambots
Attempt to attack host OS, exploiting network vulnerabilities, on 08-02-2020 14:25:16.
2020-02-09 03:11:29
190.96.49.189 attack
Feb  8 18:04:52 vserver sshd\[10221\]: Invalid user fhg from 190.96.49.189Feb  8 18:04:54 vserver sshd\[10221\]: Failed password for invalid user fhg from 190.96.49.189 port 59158 ssh2Feb  8 18:10:16 vserver sshd\[10290\]: Invalid user wfp from 190.96.49.189Feb  8 18:10:18 vserver sshd\[10290\]: Failed password for invalid user wfp from 190.96.49.189 port 51402 ssh2
...
2020-02-09 03:25:56
51.68.229.73 attackbots
2020-02-08T09:24:45.628072vostok sshd\[5549\]: Invalid user fyu from 51.68.229.73 port 51642 | Triggered by Fail2Ban at Vostok web server
2020-02-09 03:17:31
106.12.91.102 attackspam
Feb  8 15:24:38 MK-Soft-VM7 sshd[19176]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.91.102 
Feb  8 15:24:41 MK-Soft-VM7 sshd[19176]: Failed password for invalid user hkx from 106.12.91.102 port 47978 ssh2
...
2020-02-09 03:37:37
216.218.206.79 attackspambots
firewall-block, port(s): 4786/tcp
2020-02-09 03:10:24
89.187.168.146 attack
Unauthorized connection attempt detected, IP banned.
2020-02-09 03:26:17
222.186.173.238 attackspam
Feb  8 19:12:25 localhost sshd\[26337\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.238  user=root
Feb  8 19:12:27 localhost sshd\[26337\]: Failed password for root from 222.186.173.238 port 39486 ssh2
Feb  8 19:12:31 localhost sshd\[26337\]: Failed password for root from 222.186.173.238 port 39486 ssh2
...
2020-02-09 03:16:37
94.158.22.65 attackbots
fell into ViewStateTrap:Durban01
2020-02-09 03:21:58
111.231.33.135 attackspam
Feb  8 15:25:12 [host] sshd[10543]: Invalid user l
Feb  8 15:25:12 [host] sshd[10543]: pam_unix(sshd:
Feb  8 15:25:14 [host] sshd[10543]: Failed passwor
2020-02-09 03:11:58
183.129.160.229 attack
Feb  8 19:33:30 debian-2gb-nbg1-2 kernel: \[3446049.770960\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=183.129.160.229 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=111 ID=31545 PROTO=TCP SPT=5846 DPT=1745 WINDOW=29200 RES=0x00 SYN URGP=0
2020-02-09 03:24:12
148.70.223.115 attackbots
Feb  8 19:07:04 sd-53420 sshd\[2524\]: Invalid user npw from 148.70.223.115
Feb  8 19:07:04 sd-53420 sshd\[2524\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.223.115
Feb  8 19:07:06 sd-53420 sshd\[2524\]: Failed password for invalid user npw from 148.70.223.115 port 52874 ssh2
Feb  8 19:11:27 sd-53420 sshd\[3173\]: Invalid user oki from 148.70.223.115
Feb  8 19:11:27 sd-53420 sshd\[3173\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.223.115
...
2020-02-09 03:46:06
112.217.225.61 attackspam
(sshd) Failed SSH login from 112.217.225.61 (KR/South Korea/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Feb  8 15:01:39 elude sshd[18991]: Invalid user akt from 112.217.225.61 port 20688
Feb  8 15:01:42 elude sshd[18991]: Failed password for invalid user akt from 112.217.225.61 port 20688 ssh2
Feb  8 15:21:45 elude sshd[20236]: Invalid user jkp from 112.217.225.61 port 17586
Feb  8 15:21:46 elude sshd[20236]: Failed password for invalid user jkp from 112.217.225.61 port 17586 ssh2
Feb  8 15:25:03 elude sshd[20417]: Invalid user adq from 112.217.225.61 port 46806
2020-02-09 03:18:04
14.29.144.26 attackbots
2020-02-08T13:41:06.2476021495-001 sshd[22233]: Invalid user nfx from 14.29.144.26 port 52513
2020-02-08T13:41:06.2512521495-001 sshd[22233]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.144.26
2020-02-08T13:41:06.2476021495-001 sshd[22233]: Invalid user nfx from 14.29.144.26 port 52513
2020-02-08T13:41:08.5213611495-001 sshd[22233]: Failed password for invalid user nfx from 14.29.144.26 port 52513 ssh2
2020-02-08T13:44:41.7336051495-001 sshd[22456]: Invalid user pyt from 14.29.144.26 port 33674
2020-02-08T13:44:41.7421051495-001 sshd[22456]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.144.26
2020-02-08T13:44:41.7336051495-001 sshd[22456]: Invalid user pyt from 14.29.144.26 port 33674
2020-02-08T13:44:43.5303411495-001 sshd[22456]: Failed password for invalid user pyt from 14.29.144.26 port 33674 ssh2
2020-02-08T13:48:19.5441091495-001 sshd[22697]: Invalid user faf from 14.29.144.26 port 
...
2020-02-09 03:06:14
203.205.41.28 attackspambots
trying to access non-authorized port
2020-02-09 03:32:40

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