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: Poland

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 <<>> 213.108.51.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16638
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;213.108.51.21.			IN	A

;; AUTHORITY SECTION:
.			240	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023030201 1800 900 604800 86400

;; Query time: 66 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Mar 03 07:49:02 CST 2023
;; MSG SIZE  rcvd: 106
Host info
21.51.108.213.in-addr.arpa domain name pointer dmt.com.pl.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
21.51.108.213.in-addr.arpa	name = dmt.com.pl.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
62.234.219.27 attack
Jul  3 03:25:46 plusreed sshd[22432]: Invalid user ADMIN1 from 62.234.219.27
...
2019-07-03 15:38:50
80.82.78.85 attack
Jul  3 06:11:56 elektron postfix/smtpd\[16239\]: warning: unknown\[80.82.78.85\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  3 06:11:56 elektron postfix/smtpd\[11856\]: warning: unknown\[80.82.78.85\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  3 06:50:20 elektron postfix/smtpd\[19782\]: warning: unknown\[80.82.78.85\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  3 06:50:20 elektron postfix/smtpd\[16789\]: warning: unknown\[80.82.78.85\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-07-03 16:17:36
174.75.32.242 attackbots
Invalid user ba from 174.75.32.242 port 37994
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=174.75.32.242
Failed password for invalid user ba from 174.75.32.242 port 37994 ssh2
Invalid user mongodb from 174.75.32.242 port 40698
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=174.75.32.242
2019-07-03 16:19:55
134.209.40.67 attack
3436/tcp 3435/tcp 3434/tcp...⊂ [3402/tcp,3436/tcp]∪3port
[2019-06-06/07-01]148pkt,38pt.(tcp)
2019-07-03 16:22:44
92.14.249.4 attack
firewall-block, port(s): 23/tcp
2019-07-03 16:23:22
92.118.37.81 attack
03.07.2019 07:37:43 Connection to port 21209 blocked by firewall
2019-07-03 15:46:46
117.247.185.172 attack
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-07-03 02:25:25,058 INFO [shellcode_manager] (117.247.185.172) no match, writing hexdump (0c0c9e0869a25a2b427770dfa1fe63c8 :2048053) - MS17010 (EternalBlue)
2019-07-03 15:47:40
118.69.248.83 attackspam
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-07-03 03:05:06,668 INFO [shellcode_manager] (118.69.248.83) no match, writing hexdump (277d0fd16017453ed2cf80cbbf7755dc :2130248) - MS17010 (EternalBlue)
2019-07-03 15:56:43
86.247.205.128 attack
$f2bV_matches
2019-07-03 15:48:05
200.51.42.34 attack
[SMB remote code execution attempt: port tcp/445]
*(RWIN=1024)(07030936)
2019-07-03 16:19:28
181.63.248.235 attackbots
Jul  1 19:43:03 *** sshd[10948]: Invalid user facturacion from 181.63.248.235 port 33818
Jul  1 19:43:05 *** sshd[10948]: Failed password for invalid user facturacion from 181.63.248.235 port 33818 ssh2
Jul  1 19:43:05 *** sshd[10948]: Received disconnect from 181.63.248.235 port 33818:11: Bye Bye [preauth]
Jul  1 19:43:05 *** sshd[10948]: Disconnected from 181.63.248.235 port 33818 [preauth]
Jul  1 19:43:17 *** sshd[11092]: Invalid user facturacion from 181.63.248.235 port 60040
Jul  1 19:43:19 *** sshd[11092]: Failed password for invalid user facturacion from 181.63.248.235 port 60040 ssh2
Jul  1 19:43:19 *** sshd[11092]: Received disconnect from 181.63.248.235 port 60040:11: Bye Bye [preauth]
Jul  1 19:43:19 *** sshd[11092]: Disconnected from 181.63.248.235 port 60040 [preauth]
Jul  1 19:45:48 *** sshd[14014]: Invalid user ginger from 181.63.248.235 port 33992
Jul  1 19:45:49 *** sshd[14014]: Failed password for invalid user ginger from 181.63.248.235 port 33992 ssh2........
-------------------------------
2019-07-03 16:22:05
183.88.244.19 attackbotsspam
DATE:2019-07-03 05:50:15, IP:183.88.244.19, PORT:ssh brute force auth on SSH service (patata)
2019-07-03 16:13:28
31.31.199.53 attack
3232/tcp 3234/tcp 3233/tcp...
[2019-05-26/07-01]85pkt,30pt.(tcp)
2019-07-03 16:15:55
195.98.74.17 attackspambots
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-07-03 02:25:38,017 INFO [shellcode_manager] (195.98.74.17) no match, writing hexdump (9db344fb4ad9c55aa14f8d00c19cc82b :2533922) - MS17010 (EternalBlue)
2019-07-03 15:50:05
198.108.66.162 attackspam
firewall-block, port(s): 7547/tcp
2019-07-03 16:10:51

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