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: None

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 <<>> 104.18.21.28
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37060
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.21.28.			IN	A

;; AUTHORITY SECTION:
.			534	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 05:35:17 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 28.21.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 28.21.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.169.117.250 attackbotsspam
firewall-block, port(s): 1433/tcp
2020-09-06 22:39:52
192.42.116.22 attackbots
$f2bV_matches
2020-09-06 22:39:04
104.244.76.245 attackspambots
Helo
2020-09-06 23:12:21
45.142.120.36 attackspam
2020-09-06 17:00:37 dovecot_login authenticator failed for \(User\) \[45.142.120.36\]: 535 Incorrect authentication data \(set_id=constanza@no-server.de\)
2020-09-06 17:00:38 dovecot_login authenticator failed for \(User\) \[45.142.120.36\]: 535 Incorrect authentication data \(set_id=constanza@no-server.de\)
2020-09-06 17:00:48 dovecot_login authenticator failed for \(User\) \[45.142.120.36\]: 535 Incorrect authentication data \(set_id=self@no-server.de\)
2020-09-06 17:01:15 dovecot_login authenticator failed for \(User\) \[45.142.120.36\]: 535 Incorrect authentication data \(set_id=self@no-server.de\)
2020-09-06 17:01:15 dovecot_login authenticator failed for \(User\) \[45.142.120.36\]: 535 Incorrect authentication data \(set_id=self@no-server.de\)
...
2020-09-06 23:10:51
152.32.202.198 attackspambots
Port probing on unauthorized port 2169
2020-09-06 22:58:18
106.8.166.189 attack
2020-08-31 06:59:58 login_virtual_exim authenticator failed for (1bB66s) [106.8.166.189]: 535 Incorrect authentication data (set_id=strueber.stellpflug)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=106.8.166.189
2020-09-06 23:18:55
45.82.136.246 attackspambots
Sep  1 15:53:57 uapps sshd[14104]: Connection closed by 45.82.136.246 port 40382
Sep  1 15:54:05 uapps sshd[14105]: Invalid user ansible from 45.82.136.246 port 57724
Sep  1 15:54:07 uapps sshd[14105]: Failed password for invalid user ansible from 45.82.136.246 port 57724 ssh2
Sep  1 15:54:08 uapps sshd[14105]: Received disconnect from 45.82.136.246 port 57724:11: Normal Shutdown, Thank you for playing [preauth]
Sep  1 15:54:08 uapps sshd[14105]: Disconnected from invalid user ansible 45.82.136.246 port 57724 [preauth]
Sep  1 15:54:19 uapps sshd[14109]: User r.r from 45.82.136.246 not allowed because not listed in AllowUsers
Sep  1 15:54:19 uapps sshd[14109]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.82.136.246  user=r.r
Sep  1 15:54:21 uapps sshd[14109]: Failed password for invalid user r.r from 45.82.136.246 port 39156 ssh2
Sep  1 15:54:22 uapps sshd[14109]: Received disconnect from 45.82.136.246 port 39156:11: Normal S........
-------------------------------
2020-09-06 22:33:15
222.186.175.217 attackbots
Sep  6 16:03:38 ns308116 sshd[15768]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.217  user=root
Sep  6 16:03:39 ns308116 sshd[15768]: Failed password for root from 222.186.175.217 port 27546 ssh2
Sep  6 16:03:43 ns308116 sshd[15768]: Failed password for root from 222.186.175.217 port 27546 ssh2
Sep  6 16:03:46 ns308116 sshd[15768]: Failed password for root from 222.186.175.217 port 27546 ssh2
Sep  6 16:03:49 ns308116 sshd[15768]: Failed password for root from 222.186.175.217 port 27546 ssh2
...
2020-09-06 23:12:38
23.101.2.46 attackspam
Mass XMLRPC hits
2020-09-06 23:18:05
194.180.224.103 attackbotsspam
Sep  6 16:34:44 jane sshd[22257]: Failed password for root from 194.180.224.103 port 40030 ssh2
...
2020-09-06 22:37:32
185.59.139.99 attack
Sep 06 07:45:04 askasleikir sshd[36291]: Failed password for invalid user fx from 185.59.139.99 port 55726 ssh2
Sep 06 08:10:34 askasleikir sshd[52462]: Failed password for root from 185.59.139.99 port 57258 ssh2
Sep 06 08:02:06 askasleikir sshd[36544]: Failed password for root from 185.59.139.99 port 45144 ssh2
2020-09-06 22:50:04
49.83.169.24 attackspam
20 attempts against mh-ssh on star
2020-09-06 22:39:35
82.64.83.141 attackspambots
Sep  6 07:21:57 mailman sshd[20873]: Invalid user pi from 82.64.83.141
Sep  6 07:21:57 mailman sshd[20871]: Invalid user pi from 82.64.83.141
Sep  6 07:21:57 mailman sshd[20871]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82-64-83-141.subs.proxad.net
2020-09-06 23:03:37
151.32.45.187 attack
Aug 30 22:34:35 ingram sshd[1845]: Failed password for r.r from 151.32.45.187 port 48582 ssh2
Aug 30 22:34:41 ingram sshd[1848]: Failed password for r.r from 151.32.45.187 port 48601 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=151.32.45.187
2020-09-06 22:42:55
67.205.135.65 attack
TCP ports : 515 / 4973 / 7552 / 24627 / 29461
2020-09-06 22:33:49

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