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 <<>> 104.21.20.18
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15355
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.18.			IN	A

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

;; Query time: 24 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:15:18 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 18.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 18.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
113.161.71.221 attackbotsspam
IMAP brute force
...
2020-04-23 05:54:37
111.231.82.143 attackspam
Invalid user admin from 111.231.82.143 port 47882
2020-04-23 06:12:40
83.97.20.31 attackspam
Apr 22 19:54:00 : SSH login attempts with invalid user
2020-04-23 06:10:50
51.91.140.218 attackspam
2020-04-22T22:18:34.626044abusebot-3.cloudsearch.cf sshd[9770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.218  user=root
2020-04-22T22:18:37.084500abusebot-3.cloudsearch.cf sshd[9770]: Failed password for root from 51.91.140.218 port 33032 ssh2
2020-04-22T22:19:13.505968abusebot-3.cloudsearch.cf sshd[9803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.218  user=root
2020-04-22T22:19:14.985769abusebot-3.cloudsearch.cf sshd[9803]: Failed password for root from 51.91.140.218 port 38488 ssh2
2020-04-22T22:19:51.491466abusebot-3.cloudsearch.cf sshd[9838]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.218  user=root
2020-04-22T22:19:53.187145abusebot-3.cloudsearch.cf sshd[9838]: Failed password for root from 51.91.140.218 port 43954 ssh2
2020-04-22T22:20:28.144288abusebot-3.cloudsearch.cf sshd[9873]: Invalid user test from 51.91.140.
...
2020-04-23 06:26:17
203.212.25.112 attackspambots
Automatic report - Port Scan Attack
2020-04-23 06:15:50
106.12.30.87 attackspambots
SSH Invalid Login
2020-04-23 05:55:22
222.186.42.137 attackbotsspam
Apr 22 22:01:53 marvibiene sshd[58593]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.137  user=root
Apr 22 22:01:55 marvibiene sshd[58593]: Failed password for root from 222.186.42.137 port 39750 ssh2
Apr 22 22:01:58 marvibiene sshd[58593]: Failed password for root from 222.186.42.137 port 39750 ssh2
Apr 22 22:01:53 marvibiene sshd[58593]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.137  user=root
Apr 22 22:01:55 marvibiene sshd[58593]: Failed password for root from 222.186.42.137 port 39750 ssh2
Apr 22 22:01:58 marvibiene sshd[58593]: Failed password for root from 222.186.42.137 port 39750 ssh2
...
2020-04-23 06:03:25
14.29.241.29 attackspam
Apr 22 15:25:23 server1 sshd\[5614\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.241.29  user=ubuntu
Apr 22 15:25:25 server1 sshd\[5614\]: Failed password for ubuntu from 14.29.241.29 port 33836 ssh2
Apr 22 15:27:14 server1 sshd\[6244\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.241.29  user=root
Apr 22 15:27:16 server1 sshd\[6244\]: Failed password for root from 14.29.241.29 port 43486 ssh2
Apr 22 15:29:02 server1 sshd\[6742\]: Invalid user il from 14.29.241.29
...
2020-04-23 06:26:38
49.233.223.86 attackbots
Invalid user pc from 49.233.223.86 port 36186
2020-04-23 06:15:01
115.148.202.72 attackbots
run attacks on the service SSH
2020-04-23 06:28:47
222.186.175.23 attack
Apr 22 23:54:01 dev0-dcde-rnet sshd[18553]: Failed password for root from 222.186.175.23 port 25425 ssh2
Apr 23 00:17:05 dev0-dcde-rnet sshd[18649]: Failed password for root from 222.186.175.23 port 19197 ssh2
2020-04-23 06:27:08
111.32.91.19 attackspam
DATE:2020-04-22 23:13:31, IP:111.32.91.19, PORT:ssh SSH brute force auth (docker-dc)
2020-04-23 06:13:30
222.186.15.62 attack
Apr 22 17:53:56 plusreed sshd[10373]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
Apr 22 17:53:57 plusreed sshd[10373]: Failed password for root from 222.186.15.62 port 39818 ssh2
...
2020-04-23 06:08:26
222.186.15.158 attackspam
Apr 23 04:55:52 webhost01 sshd[8278]: Failed password for root from 222.186.15.158 port 33687 ssh2
Apr 23 04:55:54 webhost01 sshd[8278]: Failed password for root from 222.186.15.158 port 33687 ssh2
...
2020-04-23 06:04:27
88.214.46.6 attackspam
Port probing on unauthorized port 88
2020-04-23 05:56:06

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