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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 209.16.81.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3978
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;209.16.81.55.			IN	A

;; AUTHORITY SECTION:
.			568	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022020700 1800 900 604800 86400

;; Query time: 94 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 07 16:18:53 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 55.81.16.209.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.81.16.209.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.105.177.33 attackbotsspam
Fail2Ban
2020-08-23 02:45:10
222.244.126.164 attackbots
SSH login attempts.
2020-08-23 02:33:42
220.84.73.190 attack
SSH login attempts.
2020-08-23 02:55:57
200.54.242.46 attackbotsspam
SSH Brute-Forcing (server1)
2020-08-23 02:51:59
43.228.117.202 attackbots
Aug 22 16:19:23 *** sshd[5643]: Did not receive identification string from 43.228.117.202
2020-08-23 02:48:37
83.97.20.31 attackspam
IP: 83.97.20.31
Ports affected
    Simple Mail Transfer (25) 
    HTTP protocol over TLS/SSL (443) 
Abuse Confidence rating 100%
Found in DNSBL('s)
ASN Details
   AS9009 M247 Ltd
   Romania (RO)
   CIDR 83.97.20.0/24
Log Date: 22/08/2020 5:34:05 PM UTC
2020-08-23 02:34:12
5.53.196.249 attack
firewall-block, port(s): 445/tcp
2020-08-23 02:40:02
220.82.64.211 attackbotsspam
SSH login attempts.
2020-08-23 03:00:38
61.177.172.54 attackspambots
Aug 22 20:37:44 jane sshd[5539]: Failed password for root from 61.177.172.54 port 22435 ssh2
Aug 22 20:37:48 jane sshd[5539]: Failed password for root from 61.177.172.54 port 22435 ssh2
...
2020-08-23 02:41:18
59.72.122.148 attack
Aug 22 21:34:53 gw1 sshd[16506]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.72.122.148
Aug 22 21:34:55 gw1 sshd[16506]: Failed password for invalid user wzt from 59.72.122.148 port 60330 ssh2
...
2020-08-23 03:00:15
42.247.16.100 attackbotsspam
Port probing on unauthorized port 1433
2020-08-23 02:56:40
14.126.28.129 attack
Automatic report - Port Scan Attack
2020-08-23 03:01:29
183.160.187.46 attackbotsspam
DATE:2020-08-22 14:20:39,IP:183.160.187.46,MATCHES:10,PORT:ssh
2020-08-23 02:56:15
111.93.235.74 attack
malicious Brute-Force reported by https://www.patrick-binder.de
...
2020-08-23 02:39:10
213.154.45.95 attackbotsspam
Invalid user w from 213.154.45.95 port 47913
2020-08-23 02:44:48

Recently Reported IPs

183.195.15.18 219.65.75.126 115.214.75.63 49.69.72.6
211.36.141.226 211.115.64.95 144.172.68.88 1.84.59.192
1.116.189.55 186.70.233.81 54.161.86.239 36.5.70.49
54.218.89.148 101.0.57.93 200.70.56.202 70.45.129.45
222.170.0.242 89.216.24.60 85.97.205.92 58.238.100.66