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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.28.108
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64921
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.28.108.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021801 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 19 03:29:37 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 108.28.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 108.28.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
159.89.94.13 attackspam
Port scan denied
2020-09-21 05:20:46
103.110.160.46 attack
2020-09-20 12:00:32.628647-0500  localhost smtpd[52512]: NOQUEUE: reject: RCPT from unknown[103.110.160.46]: 554 5.7.1 Service unavailable; Client host [103.110.160.46] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/103.110.160.46; from= to= proto=ESMTP helo=<[103.110.160.46]>
2020-09-21 04:51:15
109.198.203.13 attackbotsspam
Port Scan
...
2020-09-21 04:58:02
59.55.36.89 attackspam
Brute forcing email accounts
2020-09-21 05:08:17
192.144.151.171 attackspam
fail2ban -- 192.144.151.171
...
2020-09-21 04:55:06
106.13.47.78 attackbotsspam
Sep 20 23:31:59 mx sshd[824181]: Failed password for root from 106.13.47.78 port 45674 ssh2
Sep 20 23:33:11 mx sshd[824201]: Invalid user admin from 106.13.47.78 port 35592
Sep 20 23:33:11 mx sshd[824201]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.47.78 
Sep 20 23:33:11 mx sshd[824201]: Invalid user admin from 106.13.47.78 port 35592
Sep 20 23:33:13 mx sshd[824201]: Failed password for invalid user admin from 106.13.47.78 port 35592 ssh2
...
2020-09-21 05:15:23
39.101.65.35 attackbots
Trolling for resource vulnerabilities
2020-09-21 04:59:30
182.162.17.249 attackbots
Sep 20 19:02:36 vmd17057 sshd[30081]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.162.17.249 
Sep 20 19:02:38 vmd17057 sshd[30081]: Failed password for invalid user alex from 182.162.17.249 port 46498 ssh2
...
2020-09-21 05:21:26
129.204.203.218 attackspambots
Time:     Sun Sep 20 20:52:33 2020 +0000
IP:       129.204.203.218 (-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Sep 20 20:45:49 16-1 sshd[42266]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.203.218  user=root
Sep 20 20:45:51 16-1 sshd[42266]: Failed password for root from 129.204.203.218 port 57720 ssh2
Sep 20 20:51:06 16-1 sshd[42902]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.203.218  user=root
Sep 20 20:51:07 16-1 sshd[42902]: Failed password for root from 129.204.203.218 port 35018 ssh2
Sep 20 20:52:31 16-1 sshd[43082]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.203.218  user=root
2020-09-21 05:23:42
61.177.172.168 attackspam
Failed password for invalid user from 61.177.172.168 port 47399 ssh2
2020-09-21 05:03:29
79.124.62.74 attackbots
Port scan on 23 port(s): 228 415 701 2988 3326 3360 4485 7003 7010 7017 7099 7117 7655 7791 7987 9700 9981 12530 15333 20111 21888 30000 37777
2020-09-21 05:01:04
5.79.157.236 attackspambots
Brute forcing RDP port 3389
2020-09-21 05:19:30
103.82.80.104 attackspam
2020-09-20 11:58:37.535178-0500  localhost smtpd[52512]: NOQUEUE: reject: RCPT from unknown[103.82.80.104]: 554 5.7.1 Service unavailable; Client host [103.82.80.104] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/103.82.80.104 / https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=<[103.82.80.104]>
2020-09-21 04:53:04
212.64.66.135 attackbotsspam
2020-09-20T22:46:32.475013snf-827550 sshd[26300]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.66.135
2020-09-20T22:46:32.460808snf-827550 sshd[26300]: Invalid user prueba1 from 212.64.66.135 port 37392
2020-09-20T22:46:34.470531snf-827550 sshd[26300]: Failed password for invalid user prueba1 from 212.64.66.135 port 37392 ssh2
...
2020-09-21 05:05:30
31.129.245.28 attackbots
2020-09-20 12:02:00.781337-0500  localhost smtpd[52725]: NOQUEUE: reject: RCPT from unknown[31.129.245.28]: 554 5.7.1 Service unavailable; Client host [31.129.245.28] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/31.129.245.28; from= to= proto=ESMTP helo=<[31.129.245.28]>
2020-09-21 04:51:56

Recently Reported IPs

104.21.27.118 104.21.28.13 104.21.28.228 104.21.28.195
104.21.28.241 104.21.28.20 104.21.28.38 104.21.29.116
104.21.29.215 104.21.29.210 104.21.29.99 104.21.3.156
104.21.3.168 104.21.3.137 104.21.30.100 104.21.3.29
104.21.3.22 104.21.30.14 104.21.3.93 104.21.30.120