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 <<>> 104.21.37.189
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24458
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.37.189.			IN	A

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

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:22:31 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 189.37.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 189.37.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
77.43.74.58 attackspam
Invalid user bukkit from 77.43.74.58 port 55276
2019-07-01 16:08:02
79.133.66.46 attackbots
Jun 25 20:29:11 mxgate1 postfix/postscreen[4572]: CONNECT from [79.133.66.46]:43878 to [176.31.12.44]:25
Jun 25 20:29:11 mxgate1 postfix/dnsblog[4573]: addr 79.133.66.46 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Jun 25 20:29:11 mxgate1 postfix/dnsblog[4574]: addr 79.133.66.46 listed by domain zen.spamhaus.org as 127.0.0.3
Jun 25 20:29:11 mxgate1 postfix/dnsblog[4574]: addr 79.133.66.46 listed by domain zen.spamhaus.org as 127.0.0.4
Jun 25 20:29:11 mxgate1 postfix/dnsblog[4575]: addr 79.133.66.46 listed by domain cbl.abuseat.org as 127.0.0.2
Jun 25 20:29:11 mxgate1 postfix/dnsblog[4576]: addr 79.133.66.46 listed by domain b.barracudacentral.org as 127.0.0.2
Jun 25 20:29:11 mxgate1 postfix/postscreen[4572]: PREGREET 18 after 0.52 from [79.133.66.46]:43878: EHLO liquidus.hostname

Jun 25 20:29:12 mxgate1 postfix/dnsblog[4577]: addr 79.133.66.46 listed by domain bl.spamcop.net as 127.0.0.2
Jun 25 20:29:12 mxgate1 postfix/postscreen[4572]: DNSBL rank 6 for [79.133.66........
-------------------------------
2019-07-01 15:58:37
144.76.32.11 attack
Jul  1 09:51:59 core01 sshd\[18746\]: Invalid user andrew from 144.76.32.11 port 44090
Jul  1 09:51:59 core01 sshd\[18746\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.76.32.11
...
2019-07-01 15:53:30
27.254.136.29 attackspam
Jul  1 08:24:24 [host] sshd[29351]: Invalid user vyatta from 27.254.136.29
Jul  1 08:24:24 [host] sshd[29351]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.254.136.29
Jul  1 08:24:26 [host] sshd[29351]: Failed password for invalid user vyatta from 27.254.136.29 port 43168 ssh2
2019-07-01 15:48:13
217.182.158.104 attackspambots
Invalid user samba from 217.182.158.104 port 16047
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.158.104
Failed password for invalid user samba from 217.182.158.104 port 16047 ssh2
Invalid user vncuser from 217.182.158.104 port 35228
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.158.104
2019-07-01 16:10:58
103.133.110.70 attackspam
Jul  1 09:23:48 web1 postfix/smtpd\[3794\]: warning: unknown\[103.133.110.70\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  1 09:23:55 web1 postfix/smtpd\[3794\]: warning: unknown\[103.133.110.70\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  1 09:24:06 web1 postfix/smtpd\[3794\]: warning: unknown\[103.133.110.70\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-07-01 15:45:39
54.38.15.252 attackspam
Jul  1 02:53:07 plusreed sshd[18758]: Invalid user USERID from 54.38.15.252
...
2019-07-01 15:46:19
82.147.120.45 attack
Jul  1 07:08:54 our-server-hostname postfix/smtpd[29807]: connect from unknown[82.147.120.45]
Jul x@x
Jul x@x
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Jul  1 07:09:04 our-server-hostname postfix/smtpd[29807]: lost connection after RCPT from unknown[82.147.120.45]
Jul  1 07:09:04 our-server-hostname postfix/smtpd[29807]: disconnect from unknown[82.147.120.45]
Jul  1 07:13:26 our-server-hostname postfix/smtpd[32755]: connect from unknown[82.147.120.45]
Jul x@x
Jul x@x
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Jul  1 07:13:32 our-server-hostname postfix/smtpd[32755]: lost connection after RCPT from unknown[82.147.120.45]
Jul  1 07:13:32 our-server-hostname postfix/smtpd[32755]: disconnect from unknown[82.147.120.45]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=82.147.120.45
2019-07-01 15:52:34
178.128.91.69 attackbotsspam
Jul  1 05:42:09 mxgate1 postfix/postscreen[20148]: CONNECT from [178.128.91.69]:48142 to [176.31.12.44]:25
Jul  1 05:42:09 mxgate1 postfix/dnsblog[20152]: addr 178.128.91.69 listed by domain zen.spamhaus.org as 127.0.0.4
Jul  1 05:42:09 mxgate1 postfix/dnsblog[20279]: addr 178.128.91.69 listed by domain cbl.abuseat.org as 127.0.0.2
Jul  1 05:42:09 mxgate1 postfix/dnsblog[20153]: addr 178.128.91.69 listed by domain bl.spamcop.net as 127.0.0.2
Jul  1 05:42:09 mxgate1 postfix/dnsblog[20151]: addr 178.128.91.69 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Jul  1 05:42:09 mxgate1 postfix/dnsblog[20150]: addr 178.128.91.69 listed by domain b.barracudacentral.org as 127.0.0.2
Jul  1 05:42:15 mxgate1 postfix/postscreen[20148]: DNSBL rank 6 for [178.128.91.69]:48142
Jul x@x
Jul  1 05:42:16 mxgate1 postfix/postscreen[20148]: HANGUP after 1.1 from [178.128.91.69]:48142 in tests after SMTP handshake
Jul  1 05:42:16 mxgate1 postfix/postscreen[20148]: DISCONNECT [178.128.91.69]:........
-------------------------------
2019-07-01 16:01:36
217.146.255.247 attackbotsspam
Unauthorized connection attempt from IP address 217.146.255.247 on Port 445(SMB)
2019-07-01 16:22:32
95.78.113.84 attackspam
Jul  1 08:23:16 our-server-hostname postfix/smtpd[31990]: connect from unknown[95.78.113.84]
Jul x@x
Jul x@x
Jul x@x
Jul x@x
Jul x@x
Jul x@x
Jul  1 08:23:20 our-server-hostname postfix/smtpd[31990]: lost connection after RCPT from unknown[95.78.113.84]
Jul  1 08:23:20 our-server-hostname postfix/smtpd[31990]: disconnect from unknown[95.78.113.84]
Jul  1 08:23:44 our-server-hostname postfix/smtpd[31363]: connect from unknown[95.78.113.84]
Jul x@x
Jul x@x
Jul x@x
Jul x@x
Jul x@x
Jul x@x
Jul x@x
Jul x@x
Jul x@x
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Jul  1 08:23:52 our-server-hostname postfix/smtpd[31363]: lost connection after RCPT from unknown[95.78.113.84]
Jul  1 08:23:52 our-server-hostname postfix/smtpd[31363]: disconnect from unknown[95.78.113.84]
Jul  1 08:41:28 our-server-hostname postfix/smtpd[4022]: connect from unknown[95.78.113.84]
Jul x@x
Jul x@x
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Ju........
-------------------------------
2019-07-01 15:46:01
151.84.105.118 attackbots
Invalid user admin from 151.84.105.118 port 53444
2019-07-01 16:12:15
45.13.39.23 attackspam
Jul  1 09:43:55 web1 postfix/smtpd\[5097\]: warning: unknown\[45.13.39.23\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  1 09:44:42 web1 postfix/smtpd\[5097\]: warning: unknown\[45.13.39.23\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  1 09:45:30 web1 postfix/smtpd\[5097\]: warning: unknown\[45.13.39.23\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-07-01 15:49:23
198.108.67.44 attack
Scanning (more than 2 packets) random ports - tries to find possible vulnerable services
2019-07-01 15:38:04
177.128.122.115 attackbots
libpam_shield report: forced login attempt
2019-07-01 16:16:55

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