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 <<>> 104.21.66.125
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4900
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.125.			IN	A

;; AUTHORITY SECTION:
.			479	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 70 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:44:46 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 125.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 125.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
171.224.20.180 attack
19/9/29@23:54:02: FAIL: IoT-Telnet address from=171.224.20.180
...
2019-09-30 16:57:01
209.105.243.145 attack
Sep 30 09:05:20 hcbbdb sshd\[8299\]: Invalid user rsmith from 209.105.243.145
Sep 30 09:05:20 hcbbdb sshd\[8299\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.105.243.145
Sep 30 09:05:23 hcbbdb sshd\[8299\]: Failed password for invalid user rsmith from 209.105.243.145 port 40826 ssh2
Sep 30 09:09:51 hcbbdb sshd\[8790\]: Invalid user ubuntu from 209.105.243.145
Sep 30 09:09:51 hcbbdb sshd\[8790\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.105.243.145
2019-09-30 17:18:17
134.209.134.227 attackbots
CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2019-09-30 17:02:01
103.216.160.16 attackspambots
2019-09-29 22:50:00 H=([103.216.160.18]) [103.216.160.16]:11851 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.11, 127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/sbl/query/SBLCSS)
2019-09-29 22:53:32 H=([103.216.160.18]) [103.216.160.16]:4330 I=[192.147.25.65]:25 sender verify fail for : Unrouteable address
2019-09-29 22:53:32 H=([103.216.160.18]) [103.216.160.16]:4330 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
...
2019-09-30 17:18:46
138.201.232.60 attackspam
[portscan] Port scan
2019-09-30 17:08:52
46.38.144.202 attackspambots
Sep 30 10:46:58 relay postfix/smtpd\[23243\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 30 10:48:16 relay postfix/smtpd\[23940\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 30 10:49:28 relay postfix/smtpd\[23926\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 30 10:50:45 relay postfix/smtpd\[23940\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 30 10:51:54 relay postfix/smtpd\[23243\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-09-30 17:00:02
51.38.129.20 attackbotsspam
Sep 30 11:01:23 SilenceServices sshd[11668]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.129.20
Sep 30 11:01:25 SilenceServices sshd[11668]: Failed password for invalid user ts2 from 51.38.129.20 port 43762 ssh2
Sep 30 11:05:30 SilenceServices sshd[12793]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.129.20
2019-09-30 17:07:00
181.40.122.2 attack
Invalid user stpi from 181.40.122.2 port 57541
2019-09-30 17:04:10
177.42.235.145 attackbotsspam
85/tcp 81/tcp
[2019-09-30]2pkt
2019-09-30 17:01:26
54.37.228.221 attackspam
Sep 29 22:47:51 php1 sshd\[16994\]: Invalid user trendimsa1.0 from 54.37.228.221
Sep 29 22:47:51 php1 sshd\[16994\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.228.221
Sep 29 22:47:53 php1 sshd\[16994\]: Failed password for invalid user trendimsa1.0 from 54.37.228.221 port 34112 ssh2
Sep 29 22:51:39 php1 sshd\[17306\]: Invalid user hb from 54.37.228.221
Sep 29 22:51:39 php1 sshd\[17306\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.228.221
2019-09-30 17:00:58
170.239.45.118 attackspambots
UTC: 2019-09-29 port: 23/tcp
2019-09-30 16:57:59
139.199.158.14 attackbotsspam
Sep 30 01:28:34 TORMINT sshd\[4192\]: Invalid user jester from 139.199.158.14
Sep 30 01:28:34 TORMINT sshd\[4192\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.158.14
Sep 30 01:28:36 TORMINT sshd\[4192\]: Failed password for invalid user jester from 139.199.158.14 port 52504 ssh2
...
2019-09-30 17:10:52
138.197.140.184 attack
$f2bV_matches
2019-09-30 17:21:11
181.228.50.119 attack
Sep 30 00:55:26 TORMINT sshd\[1962\]: Invalid user www from 181.228.50.119
Sep 30 00:55:26 TORMINT sshd\[1962\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.228.50.119
Sep 30 00:55:28 TORMINT sshd\[1962\]: Failed password for invalid user www from 181.228.50.119 port 58320 ssh2
...
2019-09-30 17:16:32
189.8.68.56 attack
Sep 29 19:25:43 hcbb sshd\[23627\]: Invalid user alupigus from 189.8.68.56
Sep 29 19:25:43 hcbb sshd\[23627\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.8.68.56
Sep 29 19:25:46 hcbb sshd\[23627\]: Failed password for invalid user alupigus from 189.8.68.56 port 44450 ssh2
Sep 29 19:31:18 hcbb sshd\[24037\]: Invalid user arkserver from 189.8.68.56
Sep 29 19:31:18 hcbb sshd\[24037\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.8.68.56
2019-09-30 17:13:26

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