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 <<>> 104.21.16.18
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47459
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.18.			IN	A

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

;; Query time: 74 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:11:17 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 18.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 18.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
203.99.62.158 attackspambots
$f2bV_matches
2020-05-04 18:40:32
177.184.220.188 attack
Automatic report - Port Scan Attack
2020-05-04 18:49:50
222.186.173.154 attack
2020-05-04T08:20:54.894517shield sshd\[29925\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.154  user=root
2020-05-04T08:20:57.111657shield sshd\[29925\]: Failed password for root from 222.186.173.154 port 51504 ssh2
2020-05-04T08:20:59.848035shield sshd\[29925\]: Failed password for root from 222.186.173.154 port 51504 ssh2
2020-05-04T08:21:02.996672shield sshd\[29925\]: Failed password for root from 222.186.173.154 port 51504 ssh2
2020-05-04T08:21:06.560852shield sshd\[29925\]: Failed password for root from 222.186.173.154 port 51504 ssh2
2020-05-04 18:45:42
35.210.215.0 attackbotsspam
Bad bot/spoofed identity
2020-05-04 19:00:41
86.105.53.132 attack
May  3 21:12:08 mockhub sshd[15200]: Failed password for root from 86.105.53.132 port 56550 ssh2
May  3 21:19:11 mockhub sshd[15546]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=86.105.53.132
...
2020-05-04 18:46:17
103.145.12.65 attack
scanner
2020-05-04 18:34:13
185.176.27.42 attackspam
05/04/2020-06:57:47.603988 185.176.27.42 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-05-04 19:02:06
188.162.199.73 attackbots
failed_logins
2020-05-04 18:58:32
159.89.188.167 attackspam
SSH/22 MH Probe, BF, Hack -
2020-05-04 18:32:36
128.199.155.218 attack
SSH brute-force: detected 8 distinct usernames within a 24-hour window.
2020-05-04 18:44:58
139.199.115.210 attack
SSH/22 MH Probe, BF, Hack -
2020-05-04 18:59:03
95.78.208.229 attack
Fail2Ban Ban Triggered
2020-05-04 18:50:18
117.158.175.167 attackspam
May  4 07:58:41 ns3164893 sshd[14381]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.158.175.167
May  4 07:58:43 ns3164893 sshd[14381]: Failed password for invalid user carine from 117.158.175.167 port 49460 ssh2
...
2020-05-04 18:47:05
42.236.10.123 attackbotsspam
Automatic report - Banned IP Access
2020-05-04 19:05:41
162.243.138.45 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-05-04 19:09:50

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