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 <<>> 104.18.21.158
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31850
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.21.158.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 14:37:55 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 158.21.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 158.21.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
79.137.44.202 attackspambots
Oct 10 23:32:55 mail postfix/smtpd[31667]: warning: ip202.ip-79-137-44.eu[79.137.44.202]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 10 23:33:01 mail postfix/smtpd[30620]: warning: ip202.ip-79-137-44.eu[79.137.44.202]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 10 23:33:11 mail postfix/smtpd[24079]: warning: ip202.ip-79-137-44.eu[79.137.44.202]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-10-11 07:45:29
51.83.32.232 attackspam
2019-10-10T23:48:55.953537abusebot.cloudsearch.cf sshd\[28853\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=232.ip-51-83-32.eu  user=root
2019-10-11 08:04:38
90.150.87.199 attackspam
[munged]::443 90.150.87.199 - - [10/Oct/2019:22:04:28 +0200] "POST /[munged]: HTTP/1.1" 200 8165 "http://[munged]:/[munged]:" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
[munged]::443 90.150.87.199 - - [10/Oct/2019:22:04:29 +0200] "POST /[munged]: HTTP/1.1" 200 4388 "http://[munged]:/[munged]:" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
[munged]::443 90.150.87.199 - - [10/Oct/2019:22:04:29 +0200] "POST /[munged]: HTTP/1.1" 200 4388 "http://[munged]:/[munged]:" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
[munged]::443 90.150.87.199 - - [10/Oct/2019:22:04:30 +0200] "POST /[munged]: HTTP/1.1" 200 4388 "http://[munged]:/[munged]:" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
[munged]::443 90.150.87.199 - - [10/Oct/2019:22:04:31 +0200] "POST /[munged]: HTTP/1.1" 200 4388 "http://[munged]:/[munged]:" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
[munged]::443 90.150.87.199 - - [10/Oct/2019:22:04:32
2019-10-11 08:08:03
5.101.217.177 attackspambots
5.791.843,76-13/04 [bc18/m53] concatform PostRequest-Spammer scoring: Durban02
2019-10-11 08:01:21
218.31.33.34 attackbotsspam
Oct 11 02:15:18 sauna sshd[90386]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.31.33.34
Oct 11 02:15:21 sauna sshd[90386]: Failed password for invalid user Admin!@#$% from 218.31.33.34 port 37068 ssh2
...
2019-10-11 07:34:21
217.182.172.204 attack
Oct 11 01:28:36 SilenceServices sshd[1109]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.172.204
Oct 11 01:28:38 SilenceServices sshd[1109]: Failed password for invalid user Testing111 from 217.182.172.204 port 56406 ssh2
Oct 11 01:32:19 SilenceServices sshd[3460]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.172.204
2019-10-11 07:35:45
106.12.204.151 attackbotsspam
Lines containing failures of 106.12.204.151
Oct 10 21:55:49 shared02 sshd[24081]: Invalid user ping from 106.12.204.151 port 49904
Oct 10 21:55:49 shared02 sshd[24081]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.204.151
Oct 10 21:55:51 shared02 sshd[24081]: Failed password for invalid user ping from 106.12.204.151 port 49904 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=106.12.204.151
2019-10-11 07:31:14
94.102.51.98 attackspambots
Port scan on 3 port(s): 3342 3368 4489
2019-10-11 07:38:44
194.61.26.34 attack
Oct 10 22:34:12 XXX sshd[11683]: Invalid user admin from 194.61.26.34 port 30189
2019-10-11 07:59:36
192.227.252.26 attack
Automatic report - Banned IP Access
2019-10-11 07:40:40
165.227.154.59 attack
Oct 10 13:07:08 kapalua sshd\[6704\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.154.59  user=root
Oct 10 13:07:09 kapalua sshd\[6704\]: Failed password for root from 165.227.154.59 port 37198 ssh2
Oct 10 13:11:03 kapalua sshd\[7199\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.154.59  user=root
Oct 10 13:11:05 kapalua sshd\[7199\]: Failed password for root from 165.227.154.59 port 48316 ssh2
Oct 10 13:14:55 kapalua sshd\[7543\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.154.59  user=root
2019-10-11 07:32:15
23.129.64.216 attack
Fake GoogleBot
2019-10-11 07:42:17
185.176.27.178 attackbots
10/11/2019-01:52:12.795188 185.176.27.178 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-10-11 08:05:30
46.166.187.141 attack
\[2019-10-10 19:38:08\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-10T19:38:08.821-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01115013994810",SessionID="0x7fc3ac2ed548",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.187.141/63984",ACLName="no_extension_match"
\[2019-10-10 19:38:15\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-10T19:38:15.492-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0017322534077",SessionID="0x7fc3ac00c388",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.187.141/56601",ACLName="no_extension_match"
\[2019-10-10 19:38:23\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-10T19:38:23.513-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0012566496141",SessionID="0x7fc3ac4a5a08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.187.141/51605",ACLName="no_exten
2019-10-11 07:54:46
62.234.106.199 attack
Oct 11 01:09:50 microserver sshd[36285]: Invalid user P4SSword from 62.234.106.199 port 51607
Oct 11 01:09:50 microserver sshd[36285]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.106.199
Oct 11 01:09:52 microserver sshd[36285]: Failed password for invalid user P4SSword from 62.234.106.199 port 51607 ssh2
Oct 11 01:13:36 microserver sshd[36863]: Invalid user Riviera123 from 62.234.106.199 port 39861
Oct 11 01:13:36 microserver sshd[36863]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.106.199
Oct 11 01:24:53 microserver sshd[38854]: Invalid user Account@2017 from 62.234.106.199 port 32871
Oct 11 01:24:53 microserver sshd[38854]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.106.199
Oct 11 01:24:55 microserver sshd[38854]: Failed password for invalid user Account@2017 from 62.234.106.199 port 32871 ssh2
Oct 11 01:28:52 microserver sshd[39514]: Invalid user password
2019-10-11 07:39:27

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