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 <<>> 104.21.52.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38522
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.66.			IN	A

;; AUTHORITY SECTION:
.			331	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 146 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:34:30 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
67.218.96.156 attackspam
Jun 26 06:51:31 vtv3 sshd\[23359\]: Invalid user carter from 67.218.96.156 port 30220
Jun 26 06:51:31 vtv3 sshd\[23359\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.218.96.156
Jun 26 06:51:33 vtv3 sshd\[23359\]: Failed password for invalid user carter from 67.218.96.156 port 30220 ssh2
Jun 26 06:53:46 vtv3 sshd\[24250\]: Invalid user villepinte from 67.218.96.156 port 42889
Jun 26 06:53:46 vtv3 sshd\[24250\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.218.96.156
2019-06-26 12:07:22
114.232.219.41 attack
2019-06-26T02:39:12.169541 X postfix/smtpd[46284]: warning: unknown[114.232.219.41]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-26T03:09:47.407091 X postfix/smtpd[50435]: warning: unknown[114.232.219.41]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-26T04:08:58.135907 X postfix/smtpd[59292]: warning: unknown[114.232.219.41]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-26 11:50:05
178.184.119.86 attackbotsspam
Unauthorized connection attempt from IP address 178.184.119.86 on Port 445(SMB)
2019-06-26 11:20:25
222.66.203.54 attackbots
DATE:2019-06-26_05:53:45, IP:222.66.203.54, PORT:1433 MSSQL brute force auth on honeypot server (honey-neo-dc)
2019-06-26 12:08:11
148.251.235.104 attackbots
20 attempts against mh-misbehave-ban on wave.magehost.pro
2019-06-26 11:50:33
86.238.99.115 attackbots
SSH authentication failure x 6 reported by Fail2Ban
...
2019-06-26 11:36:11
162.144.145.219 attack
IP: 162.144.145.219
ASN: AS46606 Unified Layer
Port: http protocol over TLS/SSL 443
Found in one or more Blacklists
Date: 26/06/2019 2:09:10 AM UTC
2019-06-26 11:42:57
114.230.104.12 attack
2019-06-26T04:08:23.177108mail01 postfix/smtpd[8646]: warning: unknown[114.230.104.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-26T04:08:31.082111mail01 postfix/smtpd[10306]: warning: unknown[114.230.104.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-26T04:09:02.076081mail01 postfix/smtpd[29331]: warning: unknown[114.230.104.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-26 11:46:39
177.74.180.209 attack
libpam_shield report: forced login attempt
2019-06-26 11:37:40
148.251.237.147 attackspam
Jun 25 01:52:18 hostnameis sshd[58683]: Invalid user pat from 148.251.237.147
Jun 25 01:52:20 hostnameis sshd[58683]: Failed password for invalid user pat from 148.251.237.147 port 58994 ssh2
Jun 25 01:52:20 hostnameis sshd[58683]: Received disconnect from 148.251.237.147: 11: Bye Bye [preauth]
Jun 25 02:40:07 hostnameis sshd[58810]: Invalid user amhostname from 148.251.237.147
Jun 25 02:40:10 hostnameis sshd[58810]: Failed password for invalid user amhostname from 148.251.237.147 port 35602 ssh2
Jun 25 02:40:10 hostnameis sshd[58810]: Received disconnect from 148.251.237.147: 11: Bye Bye [preauth]
Jun 25 02:41:39 hostnameis sshd[58825]: Invalid user admin from 148.251.237.147

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=148.251.237.147
2019-06-26 11:23:37
189.18.243.210 attack
2019-06-26T03:51:38.093331hub.schaetter.us sshd\[1824\]: Invalid user test1 from 189.18.243.210
2019-06-26T03:51:38.128789hub.schaetter.us sshd\[1824\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189-18-243-210.dsl.telesp.net.br
2019-06-26T03:51:40.753426hub.schaetter.us sshd\[1824\]: Failed password for invalid user test1 from 189.18.243.210 port 34790 ssh2
2019-06-26T03:53:46.527317hub.schaetter.us sshd\[1834\]: Invalid user sa from 189.18.243.210
2019-06-26T03:53:46.576409hub.schaetter.us sshd\[1834\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189-18-243-210.dsl.telesp.net.br
...
2019-06-26 12:06:37
13.81.249.149 attack
2019-06-25 02:42:45 dovecot_login authenticator failed for (OMIPnu) [13.81.249.149]:51693: 535 Incorrect authentication data (set_id=info)
2019-06-25 02:43:09 dovecot_login authenticator failed for (md3WCki) [13.81.249.149]:64537: 535 Incorrect authentication data (set_id=info)
2019-06-25 02:43:33 dovecot_login authenticator failed for (iK8uhE) [13.81.249.149]:55452: 535 Incorrect authentication data (set_id=info)
2019-06-25 02:43:56 dovecot_login authenticator failed for (W5ryWRYL) [13.81.249.149]:59507: 535 Incorrect authentication data (set_id=info)
2019-06-25 02:44:20 dovecot_login authenticator failed for (M4HdcDC5Is) [13.81.249.149]:55274: 535 Incorrect authentication data (set_id=info)
2019-06-25 02:44:43 dovecot_login authenticator failed for (SMzyrxi3hZ) [13.81.249.149]:60178: 535 Incorrect authentication data (set_id=info)
2019-06-25 02:45:06 dovecot_login authenticator failed for (j4shPx1N) [13.81.249.149]:59699: 535 Incorrect authentication data (set_id=info)........
------------------------------
2019-06-26 11:27:14
159.65.13.203 attack
Jun 26 04:06:09 mail sshd[2487]: Invalid user freddy from 159.65.13.203
Jun 26 04:06:09 mail sshd[2487]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.13.203
Jun 26 04:06:09 mail sshd[2487]: Invalid user freddy from 159.65.13.203
Jun 26 04:06:11 mail sshd[2487]: Failed password for invalid user freddy from 159.65.13.203 port 58124 ssh2
Jun 26 04:09:33 mail sshd[7541]: Invalid user sou from 159.65.13.203
...
2019-06-26 11:31:33
190.244.81.198 attackspam
Jun 26 05:53:49 [host] sshd[5976]: Invalid user amy from 190.244.81.198
Jun 26 05:53:49 [host] sshd[5976]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.244.81.198
Jun 26 05:53:51 [host] sshd[5976]: Failed password for invalid user amy from 190.244.81.198 port 38160 ssh2
2019-06-26 12:04:17
35.245.166.178 attackspambots
RDP Brute-Force (Grieskirchen RZ2)
2019-06-26 11:40:52

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