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 <<>> 104.21.4.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54325
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.4.73.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:32:48 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 73.4.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.4.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
138.197.89.212 attack
Jul 20 22:42:04 pornomens sshd\[7316\]: Invalid user andrew from 138.197.89.212 port 49944
Jul 20 22:42:04 pornomens sshd\[7316\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.89.212
Jul 20 22:42:06 pornomens sshd\[7316\]: Failed password for invalid user andrew from 138.197.89.212 port 49944 ssh2
...
2020-07-21 07:12:43
49.88.112.69 attackspam
Jul 21 00:45:48 vps sshd[669021]: Failed password for root from 49.88.112.69 port 25811 ssh2
Jul 21 00:45:49 vps sshd[669021]: Failed password for root from 49.88.112.69 port 25811 ssh2
Jul 21 00:47:07 vps sshd[674601]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.69  user=root
Jul 21 00:47:09 vps sshd[674601]: Failed password for root from 49.88.112.69 port 57095 ssh2
Jul 21 00:47:12 vps sshd[674601]: Failed password for root from 49.88.112.69 port 57095 ssh2
...
2020-07-21 07:05:49
88.68.135.147 attack
Jul 20 16:36:29 cumulus sshd[21806]: Bad protocol version identification '' from 88.68.135.147 port 47382
Jul 20 16:36:31 cumulus sshd[21807]: Invalid user openhabian from 88.68.135.147 port 48054
Jul 20 16:36:32 cumulus sshd[21807]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.68.135.147
Jul 20 16:36:34 cumulus sshd[21807]: Failed password for invalid user openhabian from 88.68.135.147 port 48054 ssh2
Jul 20 16:36:34 cumulus sshd[21807]: Connection closed by 88.68.135.147 port 48054 [preauth]
Jul 20 16:36:36 cumulus sshd[21812]: Invalid user support from 88.68.135.147 port 50324
Jul 20 16:36:36 cumulus sshd[21812]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.68.135.147
Jul 20 16:36:38 cumulus sshd[21812]: Failed password for invalid user support from 88.68.135.147 port 50324 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=88.68.135.147
2020-07-21 06:58:12
119.123.67.231 attack
Lines containing failures of 119.123.67.231
Jul 20 22:30:37 shared10 sshd[25927]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.123.67.231  user=mysql
Jul 20 22:30:39 shared10 sshd[25927]: Failed password for mysql from 119.123.67.231 port 61797 ssh2
Jul 20 22:30:39 shared10 sshd[25927]: Received disconnect from 119.123.67.231 port 61797:11: Bye Bye [preauth]
Jul 20 22:30:39 shared10 sshd[25927]: Disconnected from authenticating user mysql 119.123.67.231 port 61797 [preauth]
Jul 20 22:36:40 shared10 sshd[27653]: Invalid user ubuntu from 119.123.67.231 port 64549
Jul 20 22:36:40 shared10 sshd[27653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.123.67.231


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=119.123.67.231
2020-07-21 06:54:10
106.13.86.136 attack
Banned for a week because repeated abuses, for example SSH, but not only
2020-07-21 06:46:56
51.158.70.82 attack
$f2bV_matches
2020-07-21 06:48:55
139.199.248.156 attackbotsspam
Jul 20 14:39:34 server1 sshd\[7882\]: Invalid user tom from 139.199.248.156
Jul 20 14:39:34 server1 sshd\[7882\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.248.156 
Jul 20 14:39:36 server1 sshd\[7882\]: Failed password for invalid user tom from 139.199.248.156 port 43739 ssh2
Jul 20 14:42:36 server1 sshd\[8950\]: Invalid user wq from 139.199.248.156
Jul 20 14:42:36 server1 sshd\[8950\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.248.156 
...
2020-07-21 06:39:53
222.186.175.23 attackbots
2020-07-21T01:02:59.094142vps773228.ovh.net sshd[10492]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.23  user=root
2020-07-21T01:03:01.232149vps773228.ovh.net sshd[10492]: Failed password for root from 222.186.175.23 port 21870 ssh2
2020-07-21T01:02:59.094142vps773228.ovh.net sshd[10492]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.23  user=root
2020-07-21T01:03:01.232149vps773228.ovh.net sshd[10492]: Failed password for root from 222.186.175.23 port 21870 ssh2
2020-07-21T01:03:03.767821vps773228.ovh.net sshd[10492]: Failed password for root from 222.186.175.23 port 21870 ssh2
...
2020-07-21 07:04:26
123.127.198.100 attackspambots
Jul 20 22:42:21 melroy-server sshd[528]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.127.198.100 
Jul 20 22:42:23 melroy-server sshd[528]: Failed password for invalid user prueba from 123.127.198.100 port 20508 ssh2
...
2020-07-21 06:56:29
91.121.65.15 attackbots
Jul 20 23:30:28 srv-ubuntu-dev3 sshd[98565]: Invalid user rp from 91.121.65.15
Jul 20 23:30:28 srv-ubuntu-dev3 sshd[98565]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.65.15
Jul 20 23:30:28 srv-ubuntu-dev3 sshd[98565]: Invalid user rp from 91.121.65.15
Jul 20 23:30:30 srv-ubuntu-dev3 sshd[98565]: Failed password for invalid user rp from 91.121.65.15 port 37542 ssh2
Jul 20 23:34:14 srv-ubuntu-dev3 sshd[98993]: Invalid user hadoop from 91.121.65.15
Jul 20 23:34:14 srv-ubuntu-dev3 sshd[98993]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.65.15
Jul 20 23:34:14 srv-ubuntu-dev3 sshd[98993]: Invalid user hadoop from 91.121.65.15
Jul 20 23:34:15 srv-ubuntu-dev3 sshd[98993]: Failed password for invalid user hadoop from 91.121.65.15 port 51686 ssh2
Jul 20 23:37:57 srv-ubuntu-dev3 sshd[99519]: Invalid user ftp1 from 91.121.65.15
...
2020-07-21 07:02:22
49.235.153.54 attackspambots
Brute force attempt
2020-07-21 07:09:11
31.129.68.164 attackbotsspam
SSH Invalid Login
2020-07-21 07:09:59
125.22.9.186 attack
Brute-force attempt banned
2020-07-21 06:43:38
49.233.13.145 attack
Jul 20 22:44:36 h2829583 sshd[20369]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.13.145
2020-07-21 06:59:21
106.13.83.251 attackbots
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-07-20T20:37:13Z and 2020-07-20T20:42:21Z
2020-07-21 06:56:49

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