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 <<>> 104.21.4.18
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16729
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.4.18.			IN	A

;; AUTHORITY SECTION:
.			317	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 20 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 10:08:22 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 18.4.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 18.4.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.88.112.65 attack
Dec 12 11:49:44 MK-Soft-VM4 sshd[16888]: Failed password for root from 49.88.112.65 port 63194 ssh2
Dec 12 11:49:46 MK-Soft-VM4 sshd[16888]: Failed password for root from 49.88.112.65 port 63194 ssh2
...
2019-12-12 20:55:29
51.75.160.215 attack
Dec 11 23:07:46 sachi sshd\[31720\]: Invalid user ayscue from 51.75.160.215
Dec 11 23:07:46 sachi sshd\[31720\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=215.ip-51-75-160.eu
Dec 11 23:07:47 sachi sshd\[31720\]: Failed password for invalid user ayscue from 51.75.160.215 port 60588 ssh2
Dec 11 23:12:56 sachi sshd\[32382\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=215.ip-51-75-160.eu  user=root
Dec 11 23:12:59 sachi sshd\[32382\]: Failed password for root from 51.75.160.215 port 40290 ssh2
2019-12-12 20:47:48
222.184.233.222 attackspambots
Automatic report: SSH brute force attempt
2019-12-12 20:24:24
52.88.128.249 attackspam
12/12/2019-13:17:20.375502 52.88.128.249 Protocol: 6 SURICATA TLS invalid record/traffic
2019-12-12 20:19:23
218.92.0.171 attackspam
Dec 12 02:30:51 hpm sshd\[28933\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.171  user=root
Dec 12 02:30:53 hpm sshd\[28933\]: Failed password for root from 218.92.0.171 port 6348 ssh2
Dec 12 02:30:56 hpm sshd\[28933\]: Failed password for root from 218.92.0.171 port 6348 ssh2
Dec 12 02:30:59 hpm sshd\[28933\]: Failed password for root from 218.92.0.171 port 6348 ssh2
Dec 12 02:31:13 hpm sshd\[28975\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.171  user=root
2019-12-12 20:32:02
164.132.74.64 attack
DATE:2019-12-12 13:30:58,IP:164.132.74.64,MATCHES:10,PORT:ssh
2019-12-12 20:44:44
106.52.95.206 attackspambots
Repeated brute force against a port
2019-12-12 20:27:39
35.225.211.131 attackbotsspam
35.225.211.131 - - \[12/Dec/2019:11:23:55 +0100\] "POST /wp-login.php HTTP/1.0" 200 4404 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
35.225.211.131 - - \[12/Dec/2019:11:23:57 +0100\] "POST /wp-login.php HTTP/1.0" 200 4236 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
35.225.211.131 - - \[12/Dec/2019:11:23:58 +0100\] "POST /xmlrpc.php HTTP/1.0" 200 736 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-12-12 20:29:52
80.211.175.209 attackspambots
Dec 12 02:23:42 hpm sshd\[28280\]: Invalid user novello from 80.211.175.209
Dec 12 02:23:42 hpm sshd\[28280\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.175.209
Dec 12 02:23:44 hpm sshd\[28280\]: Failed password for invalid user novello from 80.211.175.209 port 56096 ssh2
Dec 12 02:29:36 hpm sshd\[28787\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.175.209  user=backup
Dec 12 02:29:38 hpm sshd\[28787\]: Failed password for backup from 80.211.175.209 port 37410 ssh2
2019-12-12 20:43:19
223.225.25.55 attackbots
Honeypot attack, port: 445, PTR: PTR record not found
2019-12-12 20:42:06
114.224.159.46 attack
2019-12-12 00:24:41 H=(ylmf-pc) [114.224.159.46]:51630 I=[192.147.25.65]:25 rejected EHLO or HELO ylmf-pc: CHECK_HELO: ylmf-pc
2019-12-12 00:24:42 H=(ylmf-pc) [114.224.159.46]:49984 I=[192.147.25.65]:25 rejected EHLO or HELO ylmf-pc: CHECK_HELO: ylmf-pc
2019-12-12 00:24:43 H=(ylmf-pc) [114.224.159.46]:58455 I=[192.147.25.65]:25 rejected EHLO or HELO ylmf-pc: CHECK_HELO: ylmf-pc
...
2019-12-12 20:35:38
106.13.82.49 attackbotsspam
Dec 12 08:36:06 localhost sshd\[19850\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.82.49  user=root
Dec 12 08:36:08 localhost sshd\[19850\]: Failed password for root from 106.13.82.49 port 37692 ssh2
Dec 12 08:42:03 localhost sshd\[20487\]: Invalid user mtl from 106.13.82.49 port 35606
Dec 12 08:42:03 localhost sshd\[20487\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.82.49
2019-12-12 20:25:54
103.254.120.222 attack
Automatic report: SSH brute force attempt
2019-12-12 20:20:36
106.13.54.207 attackbots
Dec 12 11:39:55 pornomens sshd\[13095\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.54.207  user=root
Dec 12 11:39:58 pornomens sshd\[13095\]: Failed password for root from 106.13.54.207 port 40900 ssh2
Dec 12 11:46:55 pornomens sshd\[13179\]: Invalid user deavila from 106.13.54.207 port 37314
Dec 12 11:46:55 pornomens sshd\[13179\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.54.207
...
2019-12-12 20:51:55
198.108.67.77 attackspam
Portscan or hack attempt detected by psad/fwsnort
2019-12-12 20:37:10

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