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 <<>> 104.21.90.139
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43504
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.90.139.			IN	A

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

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:13:21 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 139.90.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 139.90.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
52.151.55.184 attackbotsspam
52.151.55.184 - - \[08/Jun/2020:22:26:29 +0200\] "POST //xmlrpc.php HTTP/1.0" 200 825 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/79.0 Safari/537.36"
52.151.55.184 - - \[08/Jun/2020:22:26:29 +0200\] "POST //xmlrpc.php HTTP/1.0" 200 825 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/79.0 Safari/537.36"
52.151.55.184 - - \[08/Jun/2020:22:26:30 +0200\] "POST //xmlrpc.php HTTP/1.0" 200 825 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/79.0 Safari/537.36"
2020-06-09 04:37:02
181.49.254.230 attackspam
Jun  8 22:51:31 piServer sshd[23476]: Failed password for root from 181.49.254.230 port 49180 ssh2
Jun  8 22:55:15 piServer sshd[23836]: Failed password for root from 181.49.254.230 port 51934 ssh2
...
2020-06-09 05:08:06
209.59.143.230 attackbots
2020-06-08T23:21:36.106755lavrinenko.info sshd[29237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.59.143.230
2020-06-08T23:21:36.100654lavrinenko.info sshd[29237]: Invalid user sake from 209.59.143.230 port 59271
2020-06-08T23:21:37.897569lavrinenko.info sshd[29237]: Failed password for invalid user sake from 209.59.143.230 port 59271 ssh2
2020-06-08T23:26:15.572314lavrinenko.info sshd[29536]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.59.143.230  user=root
2020-06-08T23:26:17.664460lavrinenko.info sshd[29536]: Failed password for root from 209.59.143.230 port 48038 ssh2
...
2020-06-09 04:44:06
45.143.220.99 attackspam
SIP Server BruteForce Attack
2020-06-09 05:06:12
187.188.51.157 attackbotsspam
Jun  8 22:25:58 serwer sshd\[1657\]: Invalid user test2 from 187.188.51.157 port 40122
Jun  8 22:25:58 serwer sshd\[1657\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.188.51.157
Jun  8 22:26:00 serwer sshd\[1657\]: Failed password for invalid user test2 from 187.188.51.157 port 40122 ssh2
...
2020-06-09 05:03:10
61.153.23.172 attackspambots
IP 61.153.23.172 attacked honeypot on port: 139 at 6/8/2020 9:25:54 PM
2020-06-09 05:00:12
222.92.132.5 attackbotsspam
IP 222.92.132.5 attacked honeypot on port: 139 at 6/8/2020 9:25:53 PM
2020-06-09 05:00:58
116.228.160.22 attack
prod8
...
2020-06-09 04:51:57
46.38.145.253 attackspam
Jun  8 22:47:42 v22019058497090703 postfix/smtpd[6891]: warning: unknown[46.38.145.253]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  8 22:49:22 v22019058497090703 postfix/smtpd[6891]: warning: unknown[46.38.145.253]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  8 22:51:06 v22019058497090703 postfix/smtpd[6240]: warning: unknown[46.38.145.253]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-09 04:52:14
172.245.180.180 attack
2020-06-08T20:23:03.337289shield sshd\[14054\]: Invalid user h from 172.245.180.180 port 47558
2020-06-08T20:23:03.348318shield sshd\[14054\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.245.180.180
2020-06-08T20:23:05.751054shield sshd\[14054\]: Failed password for invalid user h from 172.245.180.180 port 47558 ssh2
2020-06-08T20:26:26.237845shield sshd\[15629\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.245.180.180  user=root
2020-06-08T20:26:28.174083shield sshd\[15629\]: Failed password for root from 172.245.180.180 port 51062 ssh2
2020-06-09 04:39:11
114.231.107.103 attackbots
Blocked 114.231.107.103 For policy violation
2020-06-09 04:42:56
144.217.46.42 attackspam
Lines containing failures of 144.217.46.42
Jun  8 05:13:30 icinga sshd[11043]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.46.42  user=r.r
Jun  8 05:13:33 icinga sshd[11043]: Failed password for r.r from 144.217.46.42 port 57350 ssh2
Jun  8 05:13:33 icinga sshd[11043]: Received disconnect from 144.217.46.42 port 57350:11: Bye Bye [preauth]
Jun  8 05:13:33 icinga sshd[11043]: Disconnected from authenticating user r.r 144.217.46.42 port 57350 [preauth]
Jun  8 05:25:41 icinga sshd[14685]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.46.42  user=r.r
Jun  8 05:25:42 icinga sshd[14685]: Failed password for r.r from 144.217.46.42 port 44916 ssh2
Jun  8 05:25:43 icinga sshd[14685]: Received disconnect from 144.217.46.42 port 44916:11: Bye Bye [preauth]
Jun  8 05:25:43 icinga sshd[14685]: Disconnected from authenticating user r.r 144.217.46.42 port 44916 [preauth]
Jun  8 05:31:2........
------------------------------
2020-06-09 05:09:20
115.236.61.186 attack
IP 115.236.61.186 attacked honeypot on port: 139 at 6/8/2020 9:26:02 PM
2020-06-09 04:49:54
222.186.173.215 attackspam
Jun  8 23:05:41 santamaria sshd\[9912\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.215  user=root
Jun  8 23:05:42 santamaria sshd\[9912\]: Failed password for root from 222.186.173.215 port 4510 ssh2
Jun  8 23:06:11 santamaria sshd\[9923\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.215  user=root
...
2020-06-09 05:11:20
46.38.145.250 attackbots
Port probe, connect, and login attempt on SMTP:25.
IP blocked.
2020-06-09 04:41:05

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