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: Munich

Region: Bavaria

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 <<>> 51.21.248.11
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30961
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019082401 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sun Aug 25 10:09:09 CST 2019
;; MSG SIZE  rcvd: 116
Host info
Host 11.248.21.51.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 11.248.21.51.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
15.206.188.161 attack
Dec 19 16:39:41 * sshd[29942]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=15.206.188.161
Dec 19 16:39:43 * sshd[29942]: Failed password for invalid user penaranda from 15.206.188.161 port 27008 ssh2
2019-12-20 00:40:14
120.63.37.30 attackspambots
1576766228 - 12/19/2019 15:37:08 Host: 120.63.37.30/120.63.37.30 Port: 445 TCP Blocked
2019-12-20 00:57:39
217.58.145.97 attack
Unauthorized connection attempt detected from IP address 217.58.145.97 to port 445
2019-12-20 00:52:35
222.186.175.181 attack
Dec 19 17:40:41 legacy sshd[19884]: Failed password for root from 222.186.175.181 port 23983 ssh2
Dec 19 17:40:45 legacy sshd[19884]: Failed password for root from 222.186.175.181 port 23983 ssh2
Dec 19 17:40:49 legacy sshd[19884]: Failed password for root from 222.186.175.181 port 23983 ssh2
Dec 19 17:40:53 legacy sshd[19884]: Failed password for root from 222.186.175.181 port 23983 ssh2
...
2019-12-20 00:48:51
155.94.140.178 attackbotsspam
Dec 19 17:52:51 meumeu sshd[24786]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=155.94.140.178 
Dec 19 17:52:53 meumeu sshd[24786]: Failed password for invalid user cn from 155.94.140.178 port 51322 ssh2
Dec 19 18:00:37 meumeu sshd[26127]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=155.94.140.178 
...
2019-12-20 01:03:23
103.27.61.222 attackbotsspam
Automatic report - XMLRPC Attack
2019-12-20 00:45:57
162.243.61.72 attack
SSH bruteforce
2019-12-20 01:05:44
144.217.170.235 attackspam
Dec 19 23:34:40 webhost01 sshd[18597]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.170.235
Dec 19 23:34:41 webhost01 sshd[18597]: Failed password for invalid user user6 from 144.217.170.235 port 55404 ssh2
...
2019-12-20 01:07:53
91.207.107.220 attack
[portscan] Port scan
2019-12-20 01:10:45
111.35.167.127 attackbotsspam
firewall-block, port(s): 23/tcp
2019-12-20 01:06:26
125.128.140.114 attackspam
Dec 19 15:36:52 grey postfix/smtpd\[15051\]: NOQUEUE: reject: RCPT from unknown\[125.128.140.114\]: 554 5.7.1 Service unavailable\; Client host \[125.128.140.114\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[125.128.140.114\]\; from=\ to=\ proto=ESMTP helo=\<\[125.128.140.114\]\>
...
2019-12-20 01:13:23
41.228.161.240 attackspam
Dec 19 15:37:29 grey postfix/smtpd\[15064\]: NOQUEUE: reject: RCPT from unknown\[41.228.161.240\]: 554 5.7.1 Service unavailable\; Client host \[41.228.161.240\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[41.228.161.240\]\; from=\ to=\ proto=ESMTP helo=\<\[41.228.161.240\]\>
...
2019-12-20 00:43:27
213.174.6.51 attackbots
Unauthorised access (Dec 19) SRC=213.174.6.51 LEN=52 TTL=118 ID=22643 DF TCP DPT=445 WINDOW=8192 SYN
2019-12-20 01:18:06
222.191.243.226 attackbots
2019-12-19T16:43:14.049078  sshd[11182]: Invalid user briscese from 222.191.243.226 port 34454
2019-12-19T16:43:14.063436  sshd[11182]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.191.243.226
2019-12-19T16:43:14.049078  sshd[11182]: Invalid user briscese from 222.191.243.226 port 34454
2019-12-19T16:43:15.946700  sshd[11182]: Failed password for invalid user briscese from 222.191.243.226 port 34454 ssh2
2019-12-19T16:49:12.583279  sshd[11374]: Invalid user rutorrent from 222.191.243.226 port 53178
...
2019-12-20 00:48:17
139.59.22.169 attackbotsspam
Dec 19 17:29:41 MainVPS sshd[19894]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.22.169  user=backup
Dec 19 17:29:43 MainVPS sshd[19894]: Failed password for backup from 139.59.22.169 port 48238 ssh2
Dec 19 17:35:36 MainVPS sshd[31346]: Invalid user www from 139.59.22.169 port 54372
Dec 19 17:35:36 MainVPS sshd[31346]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.22.169
Dec 19 17:35:36 MainVPS sshd[31346]: Invalid user www from 139.59.22.169 port 54372
Dec 19 17:35:38 MainVPS sshd[31346]: Failed password for invalid user www from 139.59.22.169 port 54372 ssh2
...
2019-12-20 00:43:01

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