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: Germany

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 <<>> 53.81.16.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41966
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;53.81.16.55.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025030900 1800 900 604800 86400

;; Query time: 35 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Mar 09 20:23:36 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 55.16.81.53.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.16.81.53.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
161.35.44.237 attackspambots
Sep 24 21:43:58 vps-51d81928 sshd[354976]: Invalid user devops from 161.35.44.237 port 45336
Sep 24 21:43:58 vps-51d81928 sshd[354976]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.44.237 
Sep 24 21:43:58 vps-51d81928 sshd[354976]: Invalid user devops from 161.35.44.237 port 45336
Sep 24 21:44:00 vps-51d81928 sshd[354976]: Failed password for invalid user devops from 161.35.44.237 port 45336 ssh2
Sep 24 21:47:53 vps-51d81928 sshd[355178]: Invalid user user1 from 161.35.44.237 port 58722
...
2020-09-25 19:07:49
49.235.143.244 attackspambots
ET CINS Active Threat Intelligence Poor Reputation IP group 33 - port: 10087 proto: tcp cat: Misc Attackbytes: 60
2020-09-25 19:32:33
157.55.202.235 attack
Invalid user innerhive from 157.55.202.235 port 52178
2020-09-25 19:09:09
142.93.37.178 attack
Scan or attack attempt on email service.
2020-09-25 19:11:06
2.179.70.3 attackspambots
Honeypot attack, port: 445, PTR: PTR record not found
2020-09-25 18:56:29
50.4.86.76 attackbots
Cowrie Honeypot: 10 unauthorised SSH/Telnet login attempts between 2020-09-25T10:26:36Z and 2020-09-25T10:51:05Z
2020-09-25 18:55:40
218.92.0.251 attack
Sep 25 14:24:40 dignus sshd[15800]: Failed password for root from 218.92.0.251 port 52848 ssh2
Sep 25 14:24:43 dignus sshd[15800]: Failed password for root from 218.92.0.251 port 52848 ssh2
Sep 25 14:24:46 dignus sshd[15800]: Failed password for root from 218.92.0.251 port 52848 ssh2
Sep 25 14:24:50 dignus sshd[15800]: Failed password for root from 218.92.0.251 port 52848 ssh2
Sep 25 14:24:53 dignus sshd[15800]: Failed password for root from 218.92.0.251 port 52848 ssh2
...
2020-09-25 19:28:15
173.212.193.150 attackspambots
Invalid user franco from 173.212.193.150 port 53930
2020-09-25 19:35:29
111.61.66.40 attackbotsspam
Brute force blocker - service: proftpd1 - aantal: 108 - Tue Aug 21 00:10:20 2018
2020-09-25 19:39:18
62.234.146.42 attackspambots
"Unauthorized connection attempt on SSHD detected"
2020-09-25 19:12:49
106.75.62.39 attackbotsspam
Sep 25 07:12:59 ns3033917 sshd[7781]: Invalid user blog from 106.75.62.39 port 54646
Sep 25 07:13:01 ns3033917 sshd[7781]: Failed password for invalid user blog from 106.75.62.39 port 54646 ssh2
Sep 25 07:22:09 ns3033917 sshd[7900]: Invalid user noreply from 106.75.62.39 port 40506
...
2020-09-25 19:42:08
51.77.157.106 attackspambots
51.77.157.106 - - [25/Sep/2020:12:09:28 +0200] "GET /wp-login.php HTTP/1.1" 200 2566 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
51.77.157.106 - - [25/Sep/2020:12:09:28 +0200] "POST /wp-login.php HTTP/1.1" 200 2698 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
51.77.157.106 - - [25/Sep/2020:12:09:29 +0200] "GET /wp-login.php HTTP/1.1" 200 2566 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
51.77.157.106 - - [25/Sep/2020:12:09:29 +0200] "POST /wp-login.php HTTP/1.1" 200 2672 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
51.77.157.106 - - [25/Sep/2020:12:09:29 +0200] "GET /wp-login.php HTTP/1.1" 200 2566 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
51.77.157.106 - - [25/Sep/2020:12:09:29 +0200] "POST /wp-login.php HTTP/1.1" 200 2673 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Fir
...
2020-09-25 18:55:25
180.253.163.174 attackbotsspam
Automatic report - Port Scan Attack
2020-09-25 19:26:47
112.85.42.102 attackspam
Sep 25 04:10:51 rocket sshd[28069]: Failed password for root from 112.85.42.102 port 18645 ssh2
Sep 25 04:12:10 rocket sshd[28168]: Failed password for root from 112.85.42.102 port 60014 ssh2
...
2020-09-25 19:06:56
3.35.52.24 attackbotsspam
SSH/22 MH Probe, BF, Hack -
2020-09-25 18:59:23

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