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: None

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.20.45
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39094
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.45.			IN	A

;; AUTHORITY SECTION:
.			168	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 144 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:30:09 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 45.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 45.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
183.134.217.162 attack
Jun 27 14:21:36 ns3164893 sshd[26560]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.134.217.162
Jun 27 14:21:38 ns3164893 sshd[26560]: Failed password for invalid user wf from 183.134.217.162 port 51974 ssh2
...
2020-06-27 21:21:27
111.9.56.34 attackbots
Jun 27 09:17:40 firewall sshd[28090]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.9.56.34  user=root
Jun 27 09:17:42 firewall sshd[28090]: Failed password for root from 111.9.56.34 port 37930 ssh2
Jun 27 09:21:34 firewall sshd[28234]: Invalid user sol from 111.9.56.34
...
2020-06-27 21:29:01
153.226.10.50 attackbots
trying to access non-authorized port
2020-06-27 21:46:12
211.137.254.221 attackbots
Jun 27 05:21:52 propaganda sshd[40397]: Connection from 211.137.254.221 port 45584 on 10.0.0.160 port 22 rdomain ""
Jun 27 05:21:56 propaganda sshd[40397]: Connection closed by 211.137.254.221 port 45584 [preauth]
2020-06-27 21:04:51
173.249.7.244 attackspam
20 attempts against mh-misbehave-ban on flare
2020-06-27 21:13:24
187.12.167.85 attackbotsspam
$f2bV_matches
2020-06-27 21:35:08
51.75.144.43 attackbotsspam
51.75.144.43 - - \[27/Jun/2020:14:43:34 +0200\] "GET /wp-json/wp/v2/users/4 HTTP/1.1" 404 123 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\; rv:68.0\) Gecko/20100101 Firefox/68.0"
51.75.144.43 - - \[27/Jun/2020:14:43:35 +0200\] "GET /wp-json/wp/v2/users/5 HTTP/1.1" 404 123 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\; rv:68.0\) Gecko/20100101 Firefox/68.0"
51.75.144.43 - - \[27/Jun/2020:14:43:36 +0200\] "GET /wp-json/wp/v2/users/6 HTTP/1.1" 404 123 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\; rv:68.0\) Gecko/20100101 Firefox/68.0"
51.75.144.43 - - \[27/Jun/2020:14:43:37 +0200\] "GET /wp-json/wp/v2/users/7 HTTP/1.1" 404 123 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\; rv:68.0\) Gecko/20100101 Firefox/68.0"
...
2020-06-27 21:10:57
45.124.87.131 attackspambots
Jun 27 14:21:13 vm0 sshd[28020]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.124.87.131
Jun 27 14:21:15 vm0 sshd[28020]: Failed password for invalid user test from 45.124.87.131 port 19825 ssh2
...
2020-06-27 21:46:27
150.95.31.150 attackspambots
2020-06-27T15:55:50.976829mail.standpoint.com.ua sshd[11365]: Invalid user ob from 150.95.31.150 port 34978
2020-06-27T15:55:50.979710mail.standpoint.com.ua sshd[11365]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=v150-95-31-150.a006.g.bkk1.static.cnode.io
2020-06-27T15:55:50.976829mail.standpoint.com.ua sshd[11365]: Invalid user ob from 150.95.31.150 port 34978
2020-06-27T15:55:53.129379mail.standpoint.com.ua sshd[11365]: Failed password for invalid user ob from 150.95.31.150 port 34978 ssh2
2020-06-27T16:00:02.986663mail.standpoint.com.ua sshd[11909]: Invalid user it from 150.95.31.150 port 35548
...
2020-06-27 21:28:15
222.186.180.17 attackspambots
2020-06-27T16:03:33.248758afi-git.jinr.ru sshd[22700]: Failed password for root from 222.186.180.17 port 25040 ssh2
2020-06-27T16:03:36.299327afi-git.jinr.ru sshd[22700]: Failed password for root from 222.186.180.17 port 25040 ssh2
2020-06-27T16:03:40.214225afi-git.jinr.ru sshd[22700]: Failed password for root from 222.186.180.17 port 25040 ssh2
2020-06-27T16:03:40.214358afi-git.jinr.ru sshd[22700]: error: maximum authentication attempts exceeded for root from 222.186.180.17 port 25040 ssh2 [preauth]
2020-06-27T16:03:40.214372afi-git.jinr.ru sshd[22700]: Disconnecting: Too many authentication failures [preauth]
...
2020-06-27 21:06:45
218.92.0.185 attackbots
SSH brutforce
2020-06-27 21:03:32
140.206.157.242 attack
Jun 27 10:22:38 firewall sshd[30149]: Invalid user kf from 140.206.157.242
Jun 27 10:22:40 firewall sshd[30149]: Failed password for invalid user kf from 140.206.157.242 port 26532 ssh2
Jun 27 10:26:23 firewall sshd[30273]: Invalid user git from 140.206.157.242
...
2020-06-27 21:32:48
185.143.72.16 attackbots
Jun 27 15:46:06 relay postfix/smtpd\[5587\]: warning: unknown\[185.143.72.16\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 27 15:47:29 relay postfix/smtpd\[22884\]: warning: unknown\[185.143.72.16\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 27 15:47:38 relay postfix/smtpd\[4631\]: warning: unknown\[185.143.72.16\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 27 15:48:59 relay postfix/smtpd\[32585\]: warning: unknown\[185.143.72.16\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 27 15:49:05 relay postfix/smtpd\[28009\]: warning: unknown\[185.143.72.16\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-27 21:49:19
91.193.206.90 attack
Jun 27 14:47:53 ns381471 sshd[16374]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.193.206.90
Jun 27 14:47:55 ns381471 sshd[16374]: Failed password for invalid user dan from 91.193.206.90 port 43878 ssh2
2020-06-27 21:18:46
23.97.201.53 attack
Jun 27 15:48:50 pkdns2 sshd\[63302\]: Invalid user alex from 23.97.201.53Jun 27 15:48:51 pkdns2 sshd\[63302\]: Failed password for invalid user alex from 23.97.201.53 port 42827 ssh2Jun 27 15:52:57 pkdns2 sshd\[63572\]: Invalid user alex from 23.97.201.53Jun 27 15:52:59 pkdns2 sshd\[63572\]: Failed password for invalid user alex from 23.97.201.53 port 46625 ssh2Jun 27 15:54:02 pkdns2 sshd\[63645\]: Invalid user alex from 23.97.201.53Jun 27 15:54:05 pkdns2 sshd\[63645\]: Failed password for invalid user alex from 23.97.201.53 port 6067 ssh2
...
2020-06-27 21:08:57

Recently Reported IPs

104.21.20.142 104.21.20.216 104.18.20.200 104.21.20.233
104.21.20.178 104.21.20.35 104.21.20.29 104.21.20.47
104.21.20.44 104.21.20.76 104.18.20.204 104.21.21.117
104.21.21.110 104.21.21.115 104.21.20.49 104.21.21.108
104.21.21.102 104.21.21.145 104.21.21.131 104.21.20.63