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 <<>> 104.18.42.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59420
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.42.81.			IN	A

;; AUTHORITY SECTION:
.			296	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022051902 1800 900 604800 86400

;; Query time: 55 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri May 20 11:51:30 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.42.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.42.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
37.187.5.137 attackbots
Oct 16 12:59:14 localhost sshd\[13725\]: Invalid user zh@123456 from 37.187.5.137 port 53660
Oct 16 12:59:14 localhost sshd\[13725\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.5.137
Oct 16 12:59:16 localhost sshd\[13725\]: Failed password for invalid user zh@123456 from 37.187.5.137 port 53660 ssh2
2019-10-16 19:00:43
79.155.112.192 attack
Automatic report - Banned IP Access
2019-10-16 19:17:35
209.17.97.114 attackbots
Connection by 209.17.97.114 on port: 8888 got caught by honeypot at 10/16/2019 2:17:05 AM
2019-10-16 18:50:03
113.179.198.44 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 16-10-2019 04:20:21.
2019-10-16 19:04:50
221.131.68.210 attackspam
2019-10-16T03:15:34.479032hub.schaetter.us sshd\[11835\]: Invalid user Aa@112233 from 221.131.68.210 port 51960
2019-10-16T03:15:34.489471hub.schaetter.us sshd\[11835\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.131.68.210
2019-10-16T03:15:36.102439hub.schaetter.us sshd\[11835\]: Failed password for invalid user Aa@112233 from 221.131.68.210 port 51960 ssh2
2019-10-16T03:20:32.494105hub.schaetter.us sshd\[11867\]: Invalid user 123Agency from 221.131.68.210 port 59322
2019-10-16T03:20:32.507610hub.schaetter.us sshd\[11867\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.131.68.210
...
2019-10-16 18:51:20
202.84.45.250 attackbotsspam
2019-10-16T09:06:37.550563abusebot.cloudsearch.cf sshd\[21851\]: Invalid user www from 202.84.45.250 port 38661
2019-10-16T09:06:37.553850abusebot.cloudsearch.cf sshd\[21851\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.84.45.250
2019-10-16 19:16:50
222.186.175.202 attackbots
Oct 16 07:42:10 firewall sshd[20407]: Failed password for root from 222.186.175.202 port 38500 ssh2
Oct 16 07:42:28 firewall sshd[20407]: error: maximum authentication attempts exceeded for root from 222.186.175.202 port 38500 ssh2 [preauth]
Oct 16 07:42:28 firewall sshd[20407]: Disconnecting: Too many authentication failures [preauth]
...
2019-10-16 18:47:10
112.216.51.122 attackbotsspam
2019-10-16T07:26:10.875105abusebot-5.cloudsearch.cf sshd\[18143\]: Invalid user cforziati from 112.216.51.122 port 51883
2019-10-16 19:23:38
146.185.183.107 attackbotsspam
Automatic report - Banned IP Access
2019-10-16 19:04:17
159.203.201.56 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2019-10-16 19:06:30
167.71.229.184 attack
Oct 16 12:44:25 MK-Soft-VM7 sshd[16176]: Failed password for root from 167.71.229.184 port 60750 ssh2
...
2019-10-16 19:08:57
218.92.0.156 attackspambots
Oct 16 10:54:37 apollo sshd\[24928\]: Failed password for root from 218.92.0.156 port 21376 ssh2Oct 16 10:54:39 apollo sshd\[24928\]: Failed password for root from 218.92.0.156 port 21376 ssh2Oct 16 10:54:41 apollo sshd\[24928\]: Failed password for root from 218.92.0.156 port 21376 ssh2
...
2019-10-16 18:53:11
51.91.20.174 attackbotsspam
Oct 15 11:01:31 lvps5-35-247-183 sshd[16139]: Invalid user amhostnamea from 51.91.20.174
Oct 15 11:01:31 lvps5-35-247-183 sshd[16139]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.20.174 
Oct 15 11:01:32 lvps5-35-247-183 sshd[16139]: Failed password for invalid user amhostnamea from 51.91.20.174 port 46300 ssh2
Oct 15 11:01:32 lvps5-35-247-183 sshd[16139]: Received disconnect from 51.91.20.174: 11: Bye Bye [preauth]
Oct 15 11:06:09 lvps5-35-247-183 sshd[16507]: Invalid user mt from 51.91.20.174
Oct 15 11:06:09 lvps5-35-247-183 sshd[16507]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.20.174 
Oct 15 11:06:12 lvps5-35-247-183 sshd[16507]: Failed password for invalid user mt from 51.91.20.174 port 35426 ssh2
Oct 15 11:06:12 lvps5-35-247-183 sshd[16507]: Received disconnect from 51.91.20.174: 11: Bye Bye [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=51.9
2019-10-16 18:56:51
198.108.67.54 attack
firewall-block, port(s): 3112/tcp
2019-10-16 18:45:15
184.30.210.217 attack
10/16/2019-12:36:06.926590 184.30.210.217 Protocol: 6 SURICATA TLS invalid record/traffic
2019-10-16 18:44:58

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