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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.37.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64376
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.37.20.			IN	A

;; AUTHORITY SECTION:
.			384	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:38:15 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 20.37.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.37.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.188.210.214 attackbots
Aug  6 12:26:18 localhost sshd\[8861\]: Invalid user user1 from 218.188.210.214 port 52644
Aug  6 12:26:18 localhost sshd\[8861\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.188.210.214
...
2019-08-06 19:34:47
180.250.18.71 attackspam
Jun 20 12:07:27 microserver sshd[12389]: Invalid user test from 180.250.18.71 port 47768
Jun 20 12:07:27 microserver sshd[12389]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.250.18.71
Jun 20 12:07:28 microserver sshd[12389]: Failed password for invalid user test from 180.250.18.71 port 47768 ssh2
Jun 20 12:09:37 microserver sshd[12406]: Invalid user sshuser from 180.250.18.71 port 38592
Jun 20 12:09:37 microserver sshd[12406]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.250.18.71
Jun 20 12:21:11 microserver sshd[13667]: Invalid user mc from 180.250.18.71 port 58162
Jun 20 12:21:11 microserver sshd[13667]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.250.18.71
Jun 20 12:21:13 microserver sshd[13667]: Failed password for invalid user mc from 180.250.18.71 port 58162 ssh2
Jun 20 12:22:54 microserver sshd[13678]: Invalid user factorio from 180.250.18.71 port 44828
Jun 20 1
2019-08-06 19:55:37
218.102.211.235 attackbotsspam
Aug  6 13:24:52 nextcloud sshd\[29387\]: Invalid user test3 from 218.102.211.235
Aug  6 13:24:52 nextcloud sshd\[29387\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.102.211.235
Aug  6 13:24:54 nextcloud sshd\[29387\]: Failed password for invalid user test3 from 218.102.211.235 port 15578 ssh2
...
2019-08-06 20:17:30
138.197.200.77 attackbots
Aug  6 13:26:04 dedicated sshd[23276]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.200.77  user=root
Aug  6 13:26:06 dedicated sshd[23276]: Failed password for root from 138.197.200.77 port 38660 ssh2
2019-08-06 19:40:54
14.198.6.164 attack
Aug  6 03:21:10 ArkNodeAT sshd\[3180\]: Invalid user git from 14.198.6.164
Aug  6 03:21:10 ArkNodeAT sshd\[3180\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.198.6.164
Aug  6 03:21:12 ArkNodeAT sshd\[3180\]: Failed password for invalid user git from 14.198.6.164 port 45336 ssh2
2019-08-06 19:17:27
66.249.69.37 attackbots
port scan and connect, tcp 80 (http)
2019-08-06 19:50:48
5.196.27.26 attackbotsspam
Aug  6 13:26:13 rpi sshd[18603]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.27.26 
Aug  6 13:26:16 rpi sshd[18603]: Failed password for invalid user test from 5.196.27.26 port 45010 ssh2
2019-08-06 19:35:50
158.69.113.39 attackbots
2019-08-06T11:25:01.661773abusebot-5.cloudsearch.cf sshd\[3848\]: Invalid user sims from 158.69.113.39 port 50936
2019-08-06 20:14:41
222.162.247.57 attackbotsspam
firewall-block, port(s): 23/tcp
2019-08-06 19:19:33
51.158.166.175 attack
Looking for resource vulnerabilities
2019-08-06 19:54:21
2.111.91.225 attackbots
Aug  6 14:20:48 server sshd\[29463\]: User root from 2.111.91.225 not allowed because listed in DenyUsers
Aug  6 14:20:48 server sshd\[29463\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.111.91.225  user=root
Aug  6 14:20:50 server sshd\[29463\]: Failed password for invalid user root from 2.111.91.225 port 60112 ssh2
Aug  6 14:25:16 server sshd\[24466\]: Invalid user zabbix from 2.111.91.225 port 58001
Aug  6 14:25:16 server sshd\[24466\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.111.91.225
2019-08-06 20:02:44
213.135.239.146 attackbotsspam
2019-08-06T11:25:52.540033abusebot-6.cloudsearch.cf sshd\[15655\]: Invalid user david from 213.135.239.146 port 4676
2019-08-06 19:46:52
85.209.0.11 attackspam
Port scan on 9 port(s): 18230 23266 25860 26966 28173 28732 32358 42221 53901
2019-08-06 20:17:53
103.207.36.97 attackspam
Rude login attack (10 tries in 1d)
2019-08-06 19:26:03
180.126.239.48 attackbots
Telnetd brute force attack detected by fail2ban
2019-08-06 19:35:22

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