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 <<>> 104.21.55.18
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17249
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.55.18.			IN	A

;; AUTHORITY SECTION:
.			430	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:13:22 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 18.55.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 18.55.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
181.30.45.227 attackspam
$f2bV_matches
2019-10-03 17:26:27
218.75.148.181 attack
[munged]::443 218.75.148.181 - - [03/Oct/2019:06:20:29 +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]::443 218.75.148.181 - - [03/Oct/2019:06:20:30 +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]::443 218.75.148.181 - - [03/Oct/2019:06:20:32 +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]::443 218.75.148.181 - - [03/Oct/2019:06:20:33 +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]::443 218.75.148.181 - - [03/Oct/2019:06:20:34 +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]::443 218.75.148.181 - - [03/Oct/2019:06:
2019-10-03 17:22:36
186.225.38.205 attack
Sep 30 01:11:12 seraph sshd[10529]: Invalid user voicebot from 186.225.38.2=
05
Sep 30 01:11:12 seraph sshd[10529]: pam_unix(sshd:auth): authentication fai=
lure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D186.225.38.205
Sep 30 01:11:15 seraph sshd[10529]: Failed password for invalid user voiceb=
ot from 186.225.38.205 port 33104 ssh2
Sep 30 01:11:15 seraph sshd[10529]: Received disconnect from 186.225.38.205=
 port 33104:11: Bye Bye [preauth]
Sep 30 01:11:15 seraph sshd[10529]: Disconnected from 186.225.38.205 port 3=
3104 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=186.225.38.205
2019-10-03 17:18:06
158.174.122.199 attackbots
10/03/2019-05:54:43.704139 158.174.122.199 Protocol: 6 ET TOR Known Tor Exit Node Traffic group 12
2019-10-03 17:11:53
51.38.135.110 attackspambots
Oct  3 07:07:46 dedicated sshd[26067]: Invalid user tss from 51.38.135.110 port 39816
2019-10-03 17:24:57
106.13.65.210 attackbotsspam
Automatic report - Banned IP Access
2019-10-03 17:29:45
114.67.110.221 attackbotsspam
Oct  2 22:53:31 web1 sshd\[32251\]: Invalid user oracle3 from 114.67.110.221
Oct  2 22:53:31 web1 sshd\[32251\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.110.221
Oct  2 22:53:33 web1 sshd\[32251\]: Failed password for invalid user oracle3 from 114.67.110.221 port 37222 ssh2
Oct  2 22:58:39 web1 sshd\[32732\]: Invalid user staette from 114.67.110.221
Oct  2 22:58:39 web1 sshd\[32732\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.110.221
2019-10-03 17:07:51
46.38.144.17 attack
Oct  3 11:02:34 relay postfix/smtpd\[2733\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  3 11:02:52 relay postfix/smtpd\[26306\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  3 11:03:50 relay postfix/smtpd\[2731\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  3 11:04:07 relay postfix/smtpd\[26306\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  3 11:05:04 relay postfix/smtpd\[2733\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-10-03 17:16:22
222.186.175.183 attack
Oct  3 11:00:40 fr01 sshd[32072]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.183  user=root
Oct  3 11:00:42 fr01 sshd[32072]: Failed password for root from 222.186.175.183 port 41728 ssh2
...
2019-10-03 17:09:46
178.210.174.50 attackbotsspam
Automatic report - XMLRPC Attack
2019-10-03 17:25:23
130.61.72.90 attack
Oct  3 01:12:08 ny01 sshd[13343]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.72.90
Oct  3 01:12:10 ny01 sshd[13343]: Failed password for invalid user master from 130.61.72.90 port 41386 ssh2
Oct  3 01:16:23 ny01 sshd[14068]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.72.90
2019-10-03 17:15:01
178.33.49.21 attack
Oct  3 10:31:55 microserver sshd[59582]: Invalid user yf from 178.33.49.21 port 34710
Oct  3 10:31:55 microserver sshd[59582]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.33.49.21
Oct  3 10:31:57 microserver sshd[59582]: Failed password for invalid user yf from 178.33.49.21 port 34710 ssh2
Oct  3 10:36:09 microserver sshd[60240]: Invalid user abrahim from 178.33.49.21 port 46598
Oct  3 10:36:09 microserver sshd[60240]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.33.49.21
Oct  3 10:48:34 microserver sshd[61779]: Invalid user teamspeak2 from 178.33.49.21 port 54026
Oct  3 10:48:34 microserver sshd[61779]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.33.49.21
Oct  3 10:48:36 microserver sshd[61779]: Failed password for invalid user teamspeak2 from 178.33.49.21 port 54026 ssh2
Oct  3 10:52:54 microserver sshd[62459]: Invalid user cisco from 178.33.49.21 port 37678
Oct  3 1
2019-10-03 17:17:11
38.77.204.66 attackbotsspam
2019-10-03T09:34:22.645986abusebot-6.cloudsearch.cf sshd\[2855\]: Invalid user edge from 38.77.204.66 port 45135
2019-10-03 17:42:07
52.39.175.157 attackbots
10/03/2019-11:34:08.737926 52.39.175.157 Protocol: 6 SURICATA TLS invalid record/traffic
2019-10-03 17:45:29
106.51.73.204 attackbotsspam
Oct  3 09:38:26 pornomens sshd\[29785\]: Invalid user jabber from 106.51.73.204 port 34754
Oct  3 09:38:26 pornomens sshd\[29785\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.51.73.204
Oct  3 09:38:29 pornomens sshd\[29785\]: Failed password for invalid user jabber from 106.51.73.204 port 34754 ssh2
...
2019-10-03 17:31:34

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