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 <<>> 104.21.91.18
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19479
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.91.18.			IN	A

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

;; Query time: 28 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:14:43 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 18.91.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 18.91.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
183.234.60.150 attackspam
Oct 11 22:44:33 firewall sshd[19933]: Invalid user Love@2017 from 183.234.60.150
Oct 11 22:44:35 firewall sshd[19933]: Failed password for invalid user Love@2017 from 183.234.60.150 port 50394 ssh2
Oct 11 22:49:21 firewall sshd[20031]: Invalid user Montecarlo_123 from 183.234.60.150
...
2019-10-12 10:12:07
92.63.194.26 attack
Oct 12 04:00:43 MK-Soft-Root1 sshd[8450]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.63.194.26 
Oct 12 04:00:45 MK-Soft-Root1 sshd[8450]: Failed password for invalid user admin from 92.63.194.26 port 35942 ssh2
...
2019-10-12 10:20:36
222.186.180.19 attackbots
Fail2Ban Ban Triggered
2019-10-12 10:12:56
115.53.7.40 attackspam
firewall-block, port(s): 23/tcp
2019-10-12 10:03:06
119.27.178.27 attackbots
ECShop Remote Code Execution Vulnerability
2019-10-12 09:56:10
185.176.27.54 attackbots
10/12/2019-03:57:20.131569 185.176.27.54 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-10-12 10:14:49
121.225.84.124 attack
Oct 11 20:59:34 dedicated sshd[22469]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.225.84.124  user=root
Oct 11 20:59:36 dedicated sshd[22469]: Failed password for root from 121.225.84.124 port 17979 ssh2
2019-10-12 10:34:09
165.231.33.66 attack
Oct 11 15:47:51 web9 sshd\[30512\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.231.33.66  user=root
Oct 11 15:47:53 web9 sshd\[30512\]: Failed password for root from 165.231.33.66 port 50800 ssh2
Oct 11 15:52:00 web9 sshd\[31087\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.231.33.66  user=root
Oct 11 15:52:02 web9 sshd\[31087\]: Failed password for root from 165.231.33.66 port 60740 ssh2
Oct 11 15:56:19 web9 sshd\[31684\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.231.33.66  user=root
2019-10-12 10:31:51
52.27.255.247 attackbots
Unauthorized connection attempt from IP address 52.27.255.247 on Port 25(SMTP)
2019-10-12 10:16:29
128.199.107.252 attack
Oct 11 19:35:06 mail sshd\[21794\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.107.252  user=root
...
2019-10-12 10:23:09
210.217.24.246 attackbots
Oct 11 20:57:30 XXX sshd[38540]: Invalid user ofsaa from 210.217.24.246 port 42776
2019-10-12 10:14:17
43.228.65.3 attackspam
Unauthorized connection attempt from IP address 43.228.65.3 on Port 445(SMB)
2019-10-12 10:10:38
73.189.112.132 attack
Oct 12 03:42:48 MK-Soft-VM7 sshd[25331]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=73.189.112.132 
Oct 12 03:42:50 MK-Soft-VM7 sshd[25331]: Failed password for invalid user Parola@1 from 73.189.112.132 port 35898 ssh2
...
2019-10-12 09:59:31
190.199.179.101 attack
Unauthorized connection attempt from IP address 190.199.179.101 on Port 445(SMB)
2019-10-12 09:54:13
103.71.51.43 attackspambots
ECShop Remote Code Execution Vulnerability
2019-10-12 09:58:24

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