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 <<>> 104.21.42.187
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11279
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.187.			IN	A

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

;; Query time: 60 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:10:02 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 187.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 187.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
128.199.51.52 attackbots
failed root login
2020-01-02 07:30:39
51.77.210.216 attackbots
3x Failed Password
2020-01-02 07:33:01
77.43.218.157 attackbotsspam
firewall-block, port(s): 23/tcp
2020-01-02 07:21:01
182.61.104.246 attackbots
Jan  2 01:50:20 server sshd\[14485\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.104.246  user=operator
Jan  2 01:50:22 server sshd\[14485\]: Failed password for operator from 182.61.104.246 port 17225 ssh2
Jan  2 01:54:15 server sshd\[14895\]: Invalid user super from 182.61.104.246
Jan  2 01:54:15 server sshd\[14895\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.104.246 
Jan  2 01:54:17 server sshd\[14895\]: Failed password for invalid user super from 182.61.104.246 port 45935 ssh2
...
2020-01-02 07:12:29
52.142.201.115 attackspambots
Invalid user host from 52.142.201.115 port 43356
2020-01-02 07:19:59
222.186.175.147 attackbotsspam
Jan  2 00:06:18 v22018076622670303 sshd\[18905\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.147  user=root
Jan  2 00:06:21 v22018076622670303 sshd\[18905\]: Failed password for root from 222.186.175.147 port 45656 ssh2
Jan  2 00:06:24 v22018076622670303 sshd\[18905\]: Failed password for root from 222.186.175.147 port 45656 ssh2
...
2020-01-02 07:08:07
218.92.0.172 attackbots
Jan  2 00:05:44 root sshd[16720]: Failed password for root from 218.92.0.172 port 48681 ssh2
Jan  2 00:05:48 root sshd[16720]: Failed password for root from 218.92.0.172 port 48681 ssh2
Jan  2 00:05:53 root sshd[16720]: Failed password for root from 218.92.0.172 port 48681 ssh2
Jan  2 00:05:57 root sshd[16720]: Failed password for root from 218.92.0.172 port 48681 ssh2
...
2020-01-02 07:06:32
180.168.198.142 attackspam
Invalid user temp from 180.168.198.142 port 40290
2020-01-02 07:20:36
162.243.158.42 attackbotsspam
Invalid user aaron from 162.243.158.42 port 59499
2020-01-02 07:16:51
186.103.223.10 attackbotsspam
Jan  1 23:37:26 dev0-dcde-rnet sshd[19152]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.103.223.10
Jan  1 23:37:27 dev0-dcde-rnet sshd[19152]: Failed password for invalid user 888888 from 186.103.223.10 port 51185 ssh2
Jan  1 23:54:40 dev0-dcde-rnet sshd[19556]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.103.223.10
2020-01-02 06:58:12
106.54.127.159 attackbotsspam
Jan  1 20:50:23 ws12vmsma01 sshd[55857]: Failed password for invalid user films from 106.54.127.159 port 50102 ssh2
Jan  1 20:54:13 ws12vmsma01 sshd[56375]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.127.159  user=root
Jan  1 20:54:15 ws12vmsma01 sshd[56375]: Failed password for root from 106.54.127.159 port 46900 ssh2
...
2020-01-02 07:05:24
104.244.72.73 attack
Automatically reported by fail2ban report script (powermetal_old)
2020-01-02 07:22:54
218.92.0.173 attackbotsspam
Jan  2 00:05:38 srv01 sshd[20570]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.173  user=root
Jan  2 00:05:40 srv01 sshd[20570]: Failed password for root from 218.92.0.173 port 15637 ssh2
Jan  2 00:05:44 srv01 sshd[20570]: Failed password for root from 218.92.0.173 port 15637 ssh2
Jan  2 00:05:38 srv01 sshd[20570]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.173  user=root
Jan  2 00:05:40 srv01 sshd[20570]: Failed password for root from 218.92.0.173 port 15637 ssh2
Jan  2 00:05:44 srv01 sshd[20570]: Failed password for root from 218.92.0.173 port 15637 ssh2
Jan  2 00:05:38 srv01 sshd[20570]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.173  user=root
Jan  2 00:05:40 srv01 sshd[20570]: Failed password for root from 218.92.0.173 port 15637 ssh2
Jan  2 00:05:44 srv01 sshd[20570]: Failed password for root from 218.92.0.173 port 15637 
...
2020-01-02 07:19:04
122.192.255.228 attackspambots
Invalid user guest from 122.192.255.228 port 57090
2020-01-02 07:01:55
132.145.166.31 attack
$f2bV_matches
2020-01-02 07:35:31

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