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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.42.15
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 29179
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.15.			IN	A

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

;; Query time: 68 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:29:33 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 15.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 15.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
175.24.101.174 attackbotsspam
Feb 29 02:59:48 gw1 sshd[6059]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.101.174
Feb 29 02:59:50 gw1 sshd[6059]: Failed password for invalid user david from 175.24.101.174 port 37368 ssh2
...
2020-02-29 06:07:44
157.55.39.0 attack
Automatic report - Banned IP Access
2020-02-29 06:12:05
112.85.42.188 attackbots
02/28/2020-17:09:34.679513 112.85.42.188 Protocol: 6 ET SCAN Potential SSH Scan
2020-02-29 06:10:25
112.196.167.211 attackbotsspam
Feb 28 23:19:28 localhost sshd\[28989\]: Invalid user opfor from 112.196.167.211 port 7796
Feb 28 23:19:28 localhost sshd\[28989\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.196.167.211
Feb 28 23:19:30 localhost sshd\[28989\]: Failed password for invalid user opfor from 112.196.167.211 port 7796 ssh2
2020-02-29 06:20:53
2.35.124.159 attack
Feb 28 14:20:36 master sshd[21370]: Failed password for invalid user qdxx from 2.35.124.159 port 57419 ssh2
2020-02-29 06:00:09
59.126.26.143 attackspambots
Port probing on unauthorized port 23
2020-02-29 06:25:47
180.163.220.43 attack
Automatic report - Banned IP Access
2020-02-29 06:09:58
43.225.101.20 attackbotsspam
Feb 28 12:08:41 giraffe sshd[11866]: Invalid user user14 from 43.225.101.20
Feb 28 12:08:41 giraffe sshd[11866]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.225.101.20
Feb 28 12:08:43 giraffe sshd[11866]: Failed password for invalid user user14 from 43.225.101.20 port 59094 ssh2
Feb 28 12:08:43 giraffe sshd[11866]: Received disconnect from 43.225.101.20 port 59094:11: Bye Bye [preauth]
Feb 28 12:08:43 giraffe sshd[11866]: Disconnected from 43.225.101.20 port 59094 [preauth]
Feb 28 12:19:02 giraffe sshd[12104]: Invalid user Adminixxxr from 43.225.101.20
Feb 28 12:19:02 giraffe sshd[12104]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.225.101.20
Feb 28 12:19:05 giraffe sshd[12104]: Failed password for invalid user Adminixxxr from 43.225.101.20 port 37984 ssh2
Feb 28 12:19:05 giraffe sshd[12104]: Received disconnect from 43.225.101.20 port 37984:11: Bye Bye [preauth]
Feb 28 12:19:0........
-------------------------------
2020-02-29 06:00:39
37.187.181.182 attackbots
Feb 29 05:10:34 webhost01 sshd[7937]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.181.182
Feb 29 05:10:36 webhost01 sshd[7937]: Failed password for invalid user ubuntu from 37.187.181.182 port 53414 ssh2
...
2020-02-29 06:11:41
196.52.43.109 attack
Portscan or hack attempt detected by psad/fwsnort
2020-02-29 06:18:59
49.88.112.62 attackspam
Feb2822:36:34server6sshd[6398]:refusedconnectfrom49.88.112.62\(49.88.112.62\)Feb2822:36:34server6sshd[6399]:refusedconnectfrom49.88.112.62\(49.88.112.62\)Feb2822:36:34server6sshd[6400]:refusedconnectfrom49.88.112.62\(49.88.112.62\)Feb2822:36:34server6sshd[6401]:refusedconnectfrom49.88.112.62\(49.88.112.62\)Feb2823:20:47server6sshd[9486]:refusedconnectfrom49.88.112.62\(49.88.112.62\)
2020-02-29 06:28:26
5.23.51.199 attackspambots
LGS,WP GET /wp-login.php
2020-02-29 05:52:45
218.92.0.145 attackbots
Feb 28 17:15:43 plusreed sshd[17651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.145  user=root
Feb 28 17:15:45 plusreed sshd[17651]: Failed password for root from 218.92.0.145 port 48195 ssh2
...
2020-02-29 06:19:56
60.173.34.35 attack
Feb 28 22:59:26 srv01 postfix/smtpd[30950]: warning: unknown[60.173.34.35]: SASL LOGIN authentication failed: authentication failure
Feb 28 22:59:27 srv01 postfix/smtpd[30950]: warning: unknown[60.173.34.35]: SASL LOGIN authentication failed: authentication failure
Feb 28 22:59:29 srv01 postfix/smtpd[30950]: warning: unknown[60.173.34.35]: SASL LOGIN authentication failed: authentication failure


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=60.173.34.35
2020-02-29 06:23:25
73.92.34.214 attackbotsspam
2020-02-28T14:59:27.817767linuxbox-skyline sshd[49955]: Invalid user icmsectest from 73.92.34.214 port 42418
...
2020-02-29 06:22:27

Recently Reported IPs

104.21.42.147 104.21.42.155 104.21.69.73 104.21.42.153
104.21.42.16 104.21.42.164 104.21.42.161 104.21.42.168
104.21.42.156 104.21.42.167 104.21.42.169 104.21.42.170
104.21.42.17 104.21.69.76 104.21.42.171 104.21.42.172
104.21.42.175 104.21.42.177 104.21.42.176 104.21.42.18