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 <<>> 104.21.42.56
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35381
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.56.			IN	A

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

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 22:15:27 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 56.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 56.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
77.140.89.95 attackspambots
Invalid user pi from 77.140.89.95 port 37280
2019-10-19 02:47:55
23.92.225.228 attackbots
Oct 18 15:48:42 marvibiene sshd[58562]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.92.225.228  user=root
Oct 18 15:48:44 marvibiene sshd[58562]: Failed password for root from 23.92.225.228 port 49323 ssh2
Oct 18 16:02:57 marvibiene sshd[58600]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.92.225.228  user=root
Oct 18 16:02:59 marvibiene sshd[58600]: Failed password for root from 23.92.225.228 port 39297 ssh2
...
2019-10-19 02:40:56
183.103.35.198 attackspambots
Oct 18 20:19:51 andromeda sshd\[3827\]: Invalid user admin from 183.103.35.198 port 37996
Oct 18 20:19:51 andromeda sshd\[3827\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.103.35.198
Oct 18 20:19:53 andromeda sshd\[3827\]: Failed password for invalid user admin from 183.103.35.198 port 37996 ssh2
2019-10-19 02:31:27
46.101.43.235 attackspambots
Oct 16 23:58:43 plesk sshd[4399]: Invalid user = from 46.101.43.235
Oct 16 23:58:43 plesk sshd[4399]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.43.235 
Oct 16 23:58:45 plesk sshd[4399]: Failed password for invalid user = from 46.101.43.235 port 51388 ssh2
Oct 16 23:58:45 plesk sshd[4399]: Received disconnect from 46.101.43.235: 11: Bye Bye [preauth]
Oct 16 23:59:26 plesk sshd[4458]: Invalid user , from 46.101.43.235
Oct 16 23:59:26 plesk sshd[4458]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.43.235 
Oct 16 23:59:28 plesk sshd[4458]: Failed password for invalid user , from 46.101.43.235 port 42789 ssh2
Oct 16 23:59:28 plesk sshd[4458]: Received disconnect from 46.101.43.235: 11: Bye Bye [preauth]
Oct 17 00:00:09 plesk sshd[4497]: Invalid user ! from 46.101.43.235
Oct 17 00:00:09 plesk sshd[4497]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=s........
-------------------------------
2019-10-19 02:52:16
185.232.67.6 attack
Oct 18 20:06:49 dedicated sshd[15321]: Invalid user admin from 185.232.67.6 port 56014
2019-10-19 02:24:21
95.173.186.148 attackspambots
SSH Brute Force, server-1 sshd[22646]: Failed password for root from 95.173.186.148 port 37920 ssh2
2019-10-19 02:18:27
122.228.183.194 attack
Oct 18 15:54:06 microserver sshd[12401]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.228.183.194  user=root
Oct 18 15:54:08 microserver sshd[12401]: Failed password for root from 122.228.183.194 port 55048 ssh2
Oct 18 15:58:11 microserver sshd[13022]: Invalid user ru from 122.228.183.194 port 49943
Oct 18 15:58:11 microserver sshd[13022]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.228.183.194
Oct 18 16:10:44 microserver sshd[14909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.228.183.194  user=root
Oct 18 16:10:49 microserver sshd[14909]: Failed password for root from 122.228.183.194 port 34796 ssh2
Oct 18 16:14:54 microserver sshd[15145]: Invalid user qr from 122.228.183.194 port 57636
Oct 18 16:14:54 microserver sshd[15145]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.228.183.194
Oct 18 16:14:56 microserver sshd[15145
2019-10-19 02:41:34
49.86.181.78 attackbotsspam
Oct 18 07:24:14 esmtp postfix/smtpd[10699]: lost connection after AUTH from unknown[49.86.181.78]
Oct 18 07:24:15 esmtp postfix/smtpd[10697]: lost connection after AUTH from unknown[49.86.181.78]
Oct 18 07:24:17 esmtp postfix/smtpd[10699]: lost connection after AUTH from unknown[49.86.181.78]
Oct 18 07:24:17 esmtp postfix/smtpd[10722]: lost connection after AUTH from unknown[49.86.181.78]
Oct 18 07:24:19 esmtp postfix/smtpd[10697]: lost connection after AUTH from unknown[49.86.181.78]

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=49.86.181.78
2019-10-19 02:25:32
128.199.118.27 attack
3x Failed Password
2019-10-19 02:15:35
139.59.13.223 attackspambots
Oct 18 20:07:30 MK-Soft-VM4 sshd[13528]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.13.223 
Oct 18 20:07:32 MK-Soft-VM4 sshd[13528]: Failed password for invalid user earnest from 139.59.13.223 port 33070 ssh2
...
2019-10-19 02:23:23
106.12.208.27 attackbotsspam
SSH bruteforce (Triggered fail2ban)
2019-10-19 02:21:13
149.202.65.173 attackbots
Oct 18 14:53:47 firewall sshd[19051]: Invalid user mktg3 from 149.202.65.173
Oct 18 14:53:49 firewall sshd[19051]: Failed password for invalid user mktg3 from 149.202.65.173 port 35122 ssh2
Oct 18 14:57:17 firewall sshd[19143]: Invalid user tb from 149.202.65.173
...
2019-10-19 02:12:26
2.231.24.249 attack
2019-10-18T13:44:37.871321abusebot-8.cloudsearch.cf sshd\[5727\]: Invalid user modifications from 2.231.24.249 port 44356
2019-10-19 02:46:33
201.235.19.122 attackspambots
$f2bV_matches
2019-10-19 02:48:51
77.70.115.104 attack
B: Abusive content scan (301)
2019-10-19 02:22:34

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