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: Netherlands (the)

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 <<>> 51.136.106.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19250
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;51.136.106.81.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012900 1800 900 604800 86400

;; Query time: 42 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 29 16:19:14 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 81.106.136.51.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.106.136.51.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
145.239.110.129 attack
Invalid user tester from 145.239.110.129 port 58436
2020-10-01 13:54:11
95.84.240.62 attackbotsspam
Invalid user usuario2 from 95.84.240.62 port 36560
2020-10-01 13:55:59
128.90.182.123 attack
Oct  1 02:47:05 vps46666688 sshd[2946]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.90.182.123
Oct  1 02:47:07 vps46666688 sshd[2946]: Failed password for invalid user support from 128.90.182.123 port 61162 ssh2
...
2020-10-01 13:53:44
203.128.78.61 attackspam
Sep 30 22:40:37 ns3164893 sshd[12006]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.128.78.61
Sep 30 22:40:39 ns3164893 sshd[12006]: Failed password for invalid user tech from 203.128.78.61 port 53465 ssh2
...
2020-10-01 13:48:46
216.80.102.155 attack
$f2bV_matches
2020-10-01 14:23:52
189.112.42.197 attackspam
Automatic Fail2ban report - Trying login SSH
2020-10-01 14:13:39
81.68.77.53 attack
Port scan denied
2020-10-01 14:10:44
208.86.163.70 attackspam
$f2bV_matches
2020-10-01 13:50:47
103.53.231.15 attackspambots
Invalid user sergio from 103.53.231.15 port 56337
2020-10-01 14:11:04
193.27.229.183 attackspam
Port scanning [5 denied]
2020-10-01 14:05:30
116.7.28.142 attackspambots
20/9/30@16:40:06: FAIL: Alarm-Network address from=116.7.28.142
20/9/30@16:40:06: FAIL: Alarm-Network address from=116.7.28.142
...
2020-10-01 14:25:42
122.51.98.36 attackbotsspam
(sshd) Failed SSH login from 122.51.98.36 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  1 01:12:19 server sshd[16226]: Invalid user hue from 122.51.98.36 port 58704
Oct  1 01:12:21 server sshd[16226]: Failed password for invalid user hue from 122.51.98.36 port 58704 ssh2
Oct  1 01:20:38 server sshd[21790]: Invalid user ivan from 122.51.98.36 port 46870
Oct  1 01:20:40 server sshd[21790]: Failed password for invalid user ivan from 122.51.98.36 port 46870 ssh2
Oct  1 01:24:01 server sshd[22683]: Invalid user dasusr1 from 122.51.98.36 port 51932
2020-10-01 14:02:46
180.76.185.121 attackbots
Invalid user samba from 180.76.185.121 port 44572
2020-10-01 14:15:12
192.241.217.161 attackspambots
Oct  1 07:17:44 vm1 sshd[5429]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.241.217.161
Oct  1 07:17:46 vm1 sshd[5429]: Failed password for invalid user marie from 192.241.217.161 port 35802 ssh2
...
2020-10-01 13:44:46
5.3.6.82 attack
2020-10-01T05:41:24.185829shield sshd\[358\]: Invalid user matteo from 5.3.6.82 port 51332
2020-10-01T05:41:24.196733shield sshd\[358\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.3.6.82
2020-10-01T05:41:25.900646shield sshd\[358\]: Failed password for invalid user matteo from 5.3.6.82 port 51332 ssh2
2020-10-01T05:44:35.394020shield sshd\[1113\]: Invalid user nvidia from 5.3.6.82 port 60536
2020-10-01T05:44:35.410938shield sshd\[1113\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.3.6.82
2020-10-01 14:24:25

Recently Reported IPs

166.80.246.137 215.108.236.35 135.188.132.156 59.125.49.165
62.0.232.139 99.90.44.177 179.69.30.206 180.69.24.181
187.215.36.32 50.92.117.17 152.110.186.120 50.118.5.186
21.79.76.103 205.139.114.245 244.63.185.50 163.57.80.12
56.146.115.136 192.96.186.26 142.122.194.211 235.39.126.95