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 <<>> 104.21.90.53
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37886
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.90.53.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 46 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:14:05 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 53.90.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 53.90.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
40.92.4.84 attackspam
Dec 20 17:50:37 debian-2gb-vpn-nbg1-1 kernel: [1231795.975752] [UFW BLOCK] IN=eth0 OUT= MAC=96:00:00:38:96:44:d2:74:7f:6e:37:e3:08:00 SRC=40.92.4.84 DST=78.46.192.101 LEN=40 TOS=0x00 PREC=0x00 TTL=229 ID=45425 DF PROTO=TCP SPT=41825 DPT=25 WINDOW=0 RES=0x00 ACK RST URGP=0
2019-12-21 03:36:45
86.238.30.51 attackbotsspam
Lines containing failures of 86.238.30.51
Dec 17 19:37:50 HOSTNAME sshd[9510]: Failed password for invalid user r.r from 86.238.30.51 port 48840 ssh2
Dec 17 19:37:50 HOSTNAME sshd[9510]: Received disconnect from 86.238.30.51 port 48840:11: Bye Bye [preauth]
Dec 17 19:37:50 HOSTNAME sshd[9510]: Disconnected from 86.238.30.51 port 48840 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=86.238.30.51
2019-12-21 03:52:26
203.205.0.80 attack
SMB Server BruteForce Attack
2019-12-21 04:02:25
179.247.144.197 attackspam
1576853439 - 12/20/2019 15:50:39 Host: 179.247.144.197/179.247.144.197 Port: 445 TCP Blocked
2019-12-21 03:31:50
143.176.230.43 attackbotsspam
Dec 20 19:50:17 MK-Soft-VM4 sshd[31431]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=143.176.230.43 
Dec 20 19:50:19 MK-Soft-VM4 sshd[31431]: Failed password for invalid user stackpole from 143.176.230.43 port 59846 ssh2
...
2019-12-21 03:46:26
129.211.14.39 attack
$f2bV_matches
2019-12-21 03:53:22
1.4.140.166 attackspambots
Attempt to attack host OS, exploiting network vulnerabilities, on 20-12-2019 14:50:18.
2019-12-21 04:01:42
171.225.248.214 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 20-12-2019 14:50:41.
2019-12-21 03:31:22
139.59.247.114 attackspambots
Repeated brute force against a port
2019-12-21 03:55:23
110.137.80.27 attackbots
Attempt to attack host OS, exploiting network vulnerabilities, on 20-12-2019 14:50:20.
2019-12-21 03:57:46
106.12.210.144 attackspambots
Dec 20 20:31:00 localhost sshd\[18910\]: Invalid user edit from 106.12.210.144 port 34576
Dec 20 20:31:00 localhost sshd\[18910\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.210.144
Dec 20 20:31:02 localhost sshd\[18910\]: Failed password for invalid user edit from 106.12.210.144 port 34576 ssh2
2019-12-21 03:42:03
212.83.189.102 attackbotsspam
212.83.189.102 - - \[20/Dec/2019:15:50:17 +0100\] "POST /wp-login.php HTTP/1.0" 200 7612 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
212.83.189.102 - - \[20/Dec/2019:15:50:19 +0100\] "POST /wp-login.php HTTP/1.0" 200 7437 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
212.83.189.102 - - \[20/Dec/2019:15:50:21 +0100\] "POST /wp-login.php HTTP/1.0" 200 7432 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-12-21 03:51:44
123.26.105.42 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 20-12-2019 14:50:34.
2019-12-21 03:41:02
180.243.224.196 attackspam
Attempt to attack host OS, exploiting network vulnerabilities, on 20-12-2019 14:50:42.
2019-12-21 03:27:42
54.39.97.17 attack
2019-12-20T17:24:13.606522scmdmz1 sshd[13740]: Invalid user student2 from 54.39.97.17 port 43492
2019-12-20T17:24:13.609107scmdmz1 sshd[13740]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=17.ip-54-39-97.net
2019-12-20T17:24:13.606522scmdmz1 sshd[13740]: Invalid user student2 from 54.39.97.17 port 43492
2019-12-20T17:24:14.979882scmdmz1 sshd[13740]: Failed password for invalid user student2 from 54.39.97.17 port 43492 ssh2
2019-12-20T17:29:34.230891scmdmz1 sshd[14176]: Invalid user AGAINST from 54.39.97.17 port 49778
...
2019-12-21 03:47:49

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