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 <<>> 104.21.235.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43130
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.235.21.			IN	A

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

;; Query time: 113 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:18:35 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 21.235.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.235.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.190.132.82 attack
Sep 25 15:23:42 hosting sshd[16924]: Invalid user serivodr from 222.190.132.82 port 48414
...
2019-09-25 20:39:01
151.80.98.17 attack
Sep 25 14:23:34 ArkNodeAT sshd\[3628\]: Invalid user tom from 151.80.98.17
Sep 25 14:23:34 ArkNodeAT sshd\[3628\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.80.98.17
Sep 25 14:23:36 ArkNodeAT sshd\[3628\]: Failed password for invalid user tom from 151.80.98.17 port 45316 ssh2
2019-09-25 20:47:34
34.70.46.228 attack
Time:     Wed Sep 25 09:57:42 2019 -0300
IP:       34.70.46.228 (US/United States/228.46.70.34.bc.googleusercontent.com)
Failures: 5 (smtpauth)
Interval: 3600 seconds
Blocked:  Permanent Block
2019-09-25 21:02:32
65.98.111.218 attack
Sep 25 02:19:59 hpm sshd\[28057\]: Invalid user b2 from 65.98.111.218
Sep 25 02:19:59 hpm sshd\[28057\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.98.111.218
Sep 25 02:20:01 hpm sshd\[28057\]: Failed password for invalid user b2 from 65.98.111.218 port 36577 ssh2
Sep 25 02:23:34 hpm sshd\[28338\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.98.111.218  user=backup
Sep 25 02:23:36 hpm sshd\[28338\]: Failed password for backup from 65.98.111.218 port 57123 ssh2
2019-09-25 20:46:49
45.55.184.78 attackspambots
Sep 25 14:36:47 s64-1 sshd[25885]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.184.78
Sep 25 14:36:50 s64-1 sshd[25885]: Failed password for invalid user mou from 45.55.184.78 port 47150 ssh2
Sep 25 14:41:20 s64-1 sshd[25956]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.184.78
...
2019-09-25 20:52:20
107.170.235.19 attackbotsspam
2019-09-25 08:23:42,469 fail2ban.actions        [1806]: NOTICE  [sshd] Ban 107.170.235.19
2019-09-25 20:40:21
206.189.30.229 attackbotsspam
Sep 25 13:32:55 lcl-usvr-01 sshd[5400]: Invalid user 00 from 206.189.30.229
Sep 25 13:32:55 lcl-usvr-01 sshd[5400]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.30.229 
Sep 25 13:32:55 lcl-usvr-01 sshd[5400]: Invalid user 00 from 206.189.30.229
Sep 25 13:32:57 lcl-usvr-01 sshd[5400]: Failed password for invalid user 00 from 206.189.30.229 port 42348 ssh2
Sep 25 13:36:15 lcl-usvr-01 sshd[6690]: Invalid user sal from 206.189.30.229
2019-09-25 20:24:29
45.55.167.217 attackbots
Sep 25 02:19:50 hanapaa sshd\[29432\]: Invalid user octest from 45.55.167.217
Sep 25 02:19:50 hanapaa sshd\[29432\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=irarott.com
Sep 25 02:19:51 hanapaa sshd\[29432\]: Failed password for invalid user octest from 45.55.167.217 port 33565 ssh2
Sep 25 02:23:50 hanapaa sshd\[29739\]: Invalid user jk from 45.55.167.217
Sep 25 02:23:50 hanapaa sshd\[29739\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=irarott.com
2019-09-25 20:35:09
138.68.136.152 attackspam
WordPress wp-login brute force :: 138.68.136.152 0.040 BYPASS [25/Sep/2019:22:23:43  1000] [censored_2] "POST /wp-login.php HTTP/1.1" 200 4630 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-09-25 20:39:50
35.195.238.142 attackspam
$f2bV_matches
2019-09-25 21:07:39
77.42.75.216 attack
Automatic report - Port Scan Attack
2019-09-25 20:27:35
130.61.83.71 attack
Sep 25 02:50:51 sachi sshd\[21800\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.83.71  user=root
Sep 25 02:50:53 sachi sshd\[21800\]: Failed password for root from 130.61.83.71 port 64750 ssh2
Sep 25 02:54:52 sachi sshd\[22147\]: Invalid user ubuntu1234 from 130.61.83.71
Sep 25 02:54:52 sachi sshd\[22147\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.83.71
Sep 25 02:54:53 sachi sshd\[22147\]: Failed password for invalid user ubuntu1234 from 130.61.83.71 port 41684 ssh2
2019-09-25 20:59:28
190.121.25.248 attackbotsspam
2019-09-25T12:23:33.766905abusebot-8.cloudsearch.cf sshd\[27960\]: Invalid user ronjones from 190.121.25.248 port 58608
2019-09-25 20:49:58
190.3.65.42 attack
Sep 25 14:04:54 srv1 postfix/smtpd[31665]: connect from mx2.ayudamedica.net[190.3.65.42]
Sep 25 14:04:56 srv1 postfix/smtpd[31665]: Anonymous TLS connection established from mx2.ayudamedica.net[190.3.65.42]: TLSv1 whostnameh cipher ECDHE-RSA-AES256-SHA (256/256 bhostnames)
Sep x@x
Sep 25 14:05:09 srv1 postfix/smtpd[31665]: disconnect from mx2.ayudamedica.net[190.3.65.42]
Sep 25 14:05:14 srv1 postfix/smtpd[31665]: connect from mx2.ayudamedica.net[190.3.65.42]
Sep 25 14:05:15 srv1 postfix/smtpd[31665]: Anonymous TLS connection established from mx2.ayudamedica.net[190.3.65.42]: TLSv1 whostnameh cipher ECDHE-RSA-AES256-SHA (256/256 bhostnames)
Sep x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=190.3.65.42
2019-09-25 20:56:08
52.163.56.188 attackbotsspam
Sep 25 02:34:29 php1 sshd\[2148\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.163.56.188  user=root
Sep 25 02:34:30 php1 sshd\[2148\]: Failed password for root from 52.163.56.188 port 43176 ssh2
Sep 25 02:39:36 php1 sshd\[2860\]: Invalid user www from 52.163.56.188
Sep 25 02:39:36 php1 sshd\[2860\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.163.56.188
Sep 25 02:39:38 php1 sshd\[2860\]: Failed password for invalid user www from 52.163.56.188 port 57416 ssh2
2019-09-25 20:45:21

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