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 <<>> 104.21.4.31
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2530
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.4.31.			IN	A

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

;; Query time: 67 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:49:06 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 31.4.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 31.4.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
221.3.33.40 attackspambots
Honeypot hit.
2020-10-07 07:34:46
156.54.169.159 attack
Oct  6 23:18:25 rush sshd[15377]: Failed password for root from 156.54.169.159 port 56636 ssh2
Oct  6 23:22:07 rush sshd[15451]: Failed password for root from 156.54.169.159 port 34988 ssh2
...
2020-10-07 07:33:36
101.89.63.136 attack
Oct  7 03:34:07 web1 sshd[2551]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.89.63.136  user=root
Oct  7 03:34:08 web1 sshd[2551]: Failed password for root from 101.89.63.136 port 42276 ssh2
Oct  7 03:38:33 web1 sshd[4128]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.89.63.136  user=root
Oct  7 03:38:35 web1 sshd[4128]: Failed password for root from 101.89.63.136 port 53544 ssh2
Oct  7 03:40:32 web1 sshd[7989]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.89.63.136  user=root
Oct  7 03:40:34 web1 sshd[7989]: Failed password for root from 101.89.63.136 port 47700 ssh2
Oct  7 03:42:29 web1 sshd[8583]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.89.63.136  user=root
Oct  7 03:42:31 web1 sshd[8583]: Failed password for root from 101.89.63.136 port 41846 ssh2
Oct  7 03:44:21 web1 sshd[12586]: pam_unix(s
...
2020-10-07 07:48:20
103.53.110.225 attack
23/tcp
[2020-10-06]1pkt
2020-10-07 07:21:39
167.71.215.182 attackbots
Oct  6 23:21:45 web1 sshd[10991]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.215.182  user=root
Oct  6 23:21:47 web1 sshd[10991]: Failed password for root from 167.71.215.182 port 59800 ssh2
Oct  6 23:35:22 web1 sshd[15512]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.215.182  user=root
Oct  6 23:35:24 web1 sshd[15512]: Failed password for root from 167.71.215.182 port 41674 ssh2
Oct  6 23:38:46 web1 sshd[16576]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.215.182  user=root
Oct  6 23:38:48 web1 sshd[16576]: Failed password for root from 167.71.215.182 port 35382 ssh2
Oct  6 23:42:08 web1 sshd[17716]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.215.182  user=root
Oct  6 23:42:11 web1 sshd[17716]: Failed password for root from 167.71.215.182 port 57318 ssh2
Oct  6 23:45:31 web1 sshd[18
...
2020-10-07 07:27:38
112.21.188.235 attackbots
Oct  6 21:53:42 lnxded63 sshd[27482]: Failed password for root from 112.21.188.235 port 36712 ssh2
Oct  6 21:53:42 lnxded63 sshd[27482]: Failed password for root from 112.21.188.235 port 36712 ssh2
2020-10-07 07:28:26
200.69.236.172 attack
Oct  7 04:12:42 itv-usvr-01 sshd[19358]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.69.236.172  user=root
Oct  7 04:12:44 itv-usvr-01 sshd[19358]: Failed password for root from 200.69.236.172 port 34056 ssh2
Oct  7 04:17:13 itv-usvr-01 sshd[19544]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.69.236.172  user=root
Oct  7 04:17:16 itv-usvr-01 sshd[19544]: Failed password for root from 200.69.236.172 port 41010 ssh2
Oct  7 04:21:44 itv-usvr-01 sshd[19701]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.69.236.172  user=root
Oct  7 04:21:46 itv-usvr-01 sshd[19701]: Failed password for root from 200.69.236.172 port 47964 ssh2
2020-10-07 07:18:32
79.26.204.183 attack
hzb4 79.26.204.183 [06/Oct/2020:03:39:38 "-" "POST /xmlrpc.php 200 457
79.26.204.183 [06/Oct/2020:03:39:46 "-" "POST /xmlrpc.php 200 457
79.26.204.183 [06/Oct/2020:03:39:55 "-" "POST /xmlrpc.php 200 457
2020-10-07 07:51:10
3.134.160.205 attackspam
Oct  6 09:17:19 ajax sshd[29654]: Failed password for root from 3.134.160.205 port 46890 ssh2
2020-10-07 07:26:44
134.209.12.115 attack
SSH login attempts.
2020-10-07 07:39:35
187.138.57.140 attack
Oct  5 13:37:43 spidey sshd[32605]: Invalid user tech from 187.138.57.140 port 64008
Oct  5 13:37:43 spidey sshd[32603]: Invalid user tech from 187.138.57.140 port 64007
Oct  5 13:37:44 spidey sshd[32607]: Invalid user tech from 187.138.57.140 port 64016


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=187.138.57.140
2020-10-07 07:23:14
94.191.93.211 attackspambots
Oct  6 20:21:49 vps647732 sshd[13481]: Failed password for root from 94.191.93.211 port 36422 ssh2
...
2020-10-07 07:31:40
184.170.212.94 attackbotsspam
Oct  6 16:49:23 Ubuntu-1404-trusty-64-minimal sshd\[17033\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=184.170.212.94  user=root
Oct  6 16:49:24 Ubuntu-1404-trusty-64-minimal sshd\[17033\]: Failed password for root from 184.170.212.94 port 44262 ssh2
Oct  6 17:08:47 Ubuntu-1404-trusty-64-minimal sshd\[1704\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=184.170.212.94  user=root
Oct  6 17:08:49 Ubuntu-1404-trusty-64-minimal sshd\[1704\]: Failed password for root from 184.170.212.94 port 46050 ssh2
Oct  6 17:19:06 Ubuntu-1404-trusty-64-minimal sshd\[7366\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=184.170.212.94  user=root
2020-10-07 07:54:16
177.138.142.120 attack
[MK-Root1] Blocked by UFW
2020-10-07 07:50:16
182.254.134.77 attackspambots
$f2bV_matches
2020-10-07 07:38:33

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