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: Superior

Region: Wisconsin

Country: United States

Internet Service Provider: unknown

Hostname: unknown

Organization: University of Wisconsin System

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 <<>> 137.81.209.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 42084
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;137.81.209.66.			IN	A

;; AUTHORITY SECTION:
.			3031	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019061300 1800 900 604800 86400

;; Query time: 1 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Thu Jun 13 13:22:47 CST 2019
;; MSG SIZE  rcvd: 117

Host info
Host 66.209.81.137.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 66.209.81.137.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
106.12.204.75 attackbotsspam
Unauthorized connection attempt detected from IP address 106.12.204.75 to port 2220 [J]
2020-01-17 04:17:18
181.57.2.98 attack
Unauthorized connection attempt detected from IP address 181.57.2.98 to port 2220 [J]
2020-01-17 04:37:47
156.201.79.192 attackspam
Invalid user admin from 156.201.79.192 port 36414
2020-01-17 04:43:21
177.125.20.177 attackspam
Invalid user admin from 177.125.20.177 port 57386
2020-01-17 04:38:41
186.96.102.198 attack
Unauthorized connection attempt detected from IP address 186.96.102.198 to port 2220 [J]
2020-01-17 04:35:09
36.155.102.212 attackbots
Jan 16 23:20:10 server sshd\[24860\]: Invalid user sx from 36.155.102.212
Jan 16 23:20:10 server sshd\[24860\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.155.102.212 
Jan 16 23:20:12 server sshd\[24860\]: Failed password for invalid user sx from 36.155.102.212 port 57884 ssh2
Jan 16 23:23:34 server sshd\[25485\]: Invalid user test from 36.155.102.212
Jan 16 23:23:34 server sshd\[25485\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.155.102.212 
...
2020-01-17 04:23:59
117.89.15.210 attackspam
Invalid user oracle from 117.89.15.210 port 34424
2020-01-17 04:50:09
34.84.212.87 attackspam
Invalid user soporte from 34.84.212.87 port 52610
2020-01-17 04:24:45
190.153.249.99 attackbotsspam
Unauthorized connection attempt detected from IP address 190.153.249.99 to port 2220 [J]
2020-01-17 04:33:22
122.155.174.36 attack
Jan 16 18:33:42 srv-ubuntu-dev3 sshd[69808]: Invalid user rd from 122.155.174.36
Jan 16 18:33:42 srv-ubuntu-dev3 sshd[69808]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.155.174.36
Jan 16 18:33:42 srv-ubuntu-dev3 sshd[69808]: Invalid user rd from 122.155.174.36
Jan 16 18:33:44 srv-ubuntu-dev3 sshd[69808]: Failed password for invalid user rd from 122.155.174.36 port 42354 ssh2
Jan 16 18:35:57 srv-ubuntu-dev3 sshd[69957]: Invalid user oam from 122.155.174.36
Jan 16 18:35:57 srv-ubuntu-dev3 sshd[69957]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.155.174.36
Jan 16 18:35:57 srv-ubuntu-dev3 sshd[69957]: Invalid user oam from 122.155.174.36
Jan 16 18:36:00 srv-ubuntu-dev3 sshd[69957]: Failed password for invalid user oam from 122.155.174.36 port 42768 ssh2
Jan 16 18:38:09 srv-ubuntu-dev3 sshd[70240]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.155.17
...
2020-01-17 04:47:19
108.58.41.139 attackbotsspam
Unauthorized connection attempt detected from IP address 108.58.41.139 to port 2220 [J]
2020-01-17 04:53:57
113.178.67.130 attackspambots
Invalid user admin from 113.178.67.130 port 58717
2020-01-17 04:52:20
192.99.12.24 attackbotsspam
$f2bV_matches
2020-01-17 04:33:08
182.61.164.51 attackbotsspam
SSH Brute Force
2020-01-17 04:36:21
106.13.143.111 attack
Unauthorized connection attempt detected from IP address 106.13.143.111 to port 2220 [J]
2020-01-17 04:55:03

Recently Reported IPs

79.204.155.217 106.118.20.149 2.212.174.232 119.52.223.173
14.55.20.228 114.116.226.131 68.90.37.4 209.138.49.109
113.176.64.144 151.73.19.30 65.127.98.238 37.252.69.104
71.45.186.254 50.168.233.225 113.176.100.13 37.215.9.27
157.42.115.226 99.248.252.236 134.140.19.241 104.206.128.78