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 <<>> 104.21.20.164
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35776
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.164.			IN	A

;; AUTHORITY SECTION:
.			592	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022401 1800 900 604800 86400

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 25 12:12:12 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 164.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 164.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
168.138.196.255 attackspambots
2020-06-23T22:30:43.841209galaxy.wi.uni-potsdam.de sshd[22303]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.138.196.255
2020-06-23T22:30:43.839348galaxy.wi.uni-potsdam.de sshd[22303]: Invalid user katja from 168.138.196.255 port 34282
2020-06-23T22:30:45.618709galaxy.wi.uni-potsdam.de sshd[22303]: Failed password for invalid user katja from 168.138.196.255 port 34282 ssh2
2020-06-23T22:32:41.956656galaxy.wi.uni-potsdam.de sshd[22516]: Invalid user jht from 168.138.196.255 port 50624
2020-06-23T22:32:41.958445galaxy.wi.uni-potsdam.de sshd[22516]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.138.196.255
2020-06-23T22:32:41.956656galaxy.wi.uni-potsdam.de sshd[22516]: Invalid user jht from 168.138.196.255 port 50624
2020-06-23T22:32:43.936477galaxy.wi.uni-potsdam.de sshd[22516]: Failed password for invalid user jht from 168.138.196.255 port 50624 ssh2
2020-06-23T22:34:31.131801galaxy.wi.uni-potsd
...
2020-06-24 05:31:03
139.198.18.184 attackbots
SSH Bruteforce Attempt (failed auth)
2020-06-24 05:43:01
178.33.12.237 attack
SSH Brute-Force reported by Fail2Ban
2020-06-24 05:54:19
129.211.12.60 attackbotsspam
Jun 23 22:34:09 srv sshd[1742]: Failed password for root from 129.211.12.60 port 45620 ssh2
2020-06-24 05:45:53
222.186.175.154 attackbotsspam
detected by Fail2Ban
2020-06-24 05:53:30
200.133.39.84 attackbotsspam
Jun 23 23:35:16 vpn01 sshd[7935]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.133.39.84
Jun 23 23:35:18 vpn01 sshd[7935]: Failed password for invalid user tech from 200.133.39.84 port 34942 ssh2
...
2020-06-24 05:58:27
158.181.190.176 attackbots
ece-Joomla Admin : try to force the door...
2020-06-24 05:59:01
127.0.0.1 attack
Test Connectivity
2020-06-24 05:59:26
185.156.73.52 attackbotsspam
06/23/2020-17:10:00.606011 185.156.73.52 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-06-24 05:34:23
51.75.248.241 attackbots
Jun 23 22:34:23 fhem-rasp sshd[2848]: Invalid user jiang from 51.75.248.241 port 39728
...
2020-06-24 05:37:03
71.6.232.8 attackbots
TCP port : 8529
2020-06-24 05:44:10
222.186.175.212 attack
Jun 23 23:54:52 db sshd[12309]: Failed password for root from 222.186.175.212 port 30768 ssh2
Jun 23 23:54:56 db sshd[12309]: Failed password for root from 222.186.175.212 port 30768 ssh2
Jun 23 23:55:01 db sshd[12309]: Failed password for root from 222.186.175.212 port 30768 ssh2
Jun 23 23:55:06 db sshd[12309]: Failed password for root from 222.186.175.212 port 30768 ssh2
Jun 23 23:55:10 db sshd[12309]: Failed password for root from 222.186.175.212 port 30768 ssh2
...
2020-06-24 05:57:49
125.64.94.131 attack
Unauthorized connection attempt: SRC=125.64.94.131
...
2020-06-24 06:09:30
180.251.244.223 attackbotsspam
Automatic report - Port Scan Attack
2020-06-24 06:00:33
163.172.145.149 attack
630. On Jun 23 2020 experienced a Brute Force SSH login attempt -> 15 unique times by 163.172.145.149.
2020-06-24 06:07:44

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