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: Paris

Region: Île-de-France

Country: France

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:
% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '51.11.0.0 - 51.11.255.255'

% Abuse contact for '51.11.0.0 - 51.11.255.255' is 'abuse@microsoft.com'

inetnum:        51.11.0.0 - 51.11.255.255
netname:        cloud
country:        EU
admin-c:        DH5439-RIPE
tech-c:         MRPA3-RIPE
status:         LEGACY
mnt-by:         MICROSOFT-MAINT
created:        2025-09-05T18:13:17Z
last-modified:  2025-09-05T18:13:17Z
source:         RIPE

role:           Microsoft Routing, Peering, and DNS
address:        One Microsoft Way
address:        Redmond, WA 98052
nic-hdl:        MRPA3-RIPE
mnt-by:         MICROSOFT-MAINT
created:        2014-08-26T16:25:24Z
last-modified:  2014-08-26T16:25:24Z
source:         RIPE # Filtered

person:         Divya Quamara
address:        One Microsoft Way
address:        Redmond, WA 98052
phone:          +1-425-882-8080
nic-hdl:        DH5439-RIPE
mnt-by:         MICROSOFT-MAINT
created:        2014-08-26T16:24:14Z
last-modified:  2016-02-19T07:09:41Z
source:         RIPE

% Information related to '51.10.0.0/15AS8075'

route:          51.10.0.0/15
origin:         AS8075
descr:          Microsoft
mnt-by:         MICROSOFT-MAINT
created:        2020-07-20T21:00:09Z
last-modified:  2020-07-20T21:00:09Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 51.11.223.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 61217
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;51.11.223.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026060800 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jun 08 23:31:46 CST 2026
;; MSG SIZE  rcvd: 105
Host info
Host 21.223.11.51.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.223.11.51.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
128.199.178.195 attackspambots
Apr 27 18:53:15 itv-usvr-02 sshd[24056]: Invalid user teamspeak from 128.199.178.195 port 59759
Apr 27 18:53:15 itv-usvr-02 sshd[24056]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.178.195
Apr 27 18:53:15 itv-usvr-02 sshd[24056]: Invalid user teamspeak from 128.199.178.195 port 59759
Apr 27 18:53:16 itv-usvr-02 sshd[24056]: Failed password for invalid user teamspeak from 128.199.178.195 port 59759 ssh2
Apr 27 18:56:04 itv-usvr-02 sshd[24141]: Invalid user nicole from 128.199.178.195 port 36384
2020-04-27 22:21:58
111.67.200.161 attackbots
Apr 27 14:56:50 vpn01 sshd[6017]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.67.200.161
Apr 27 14:56:51 vpn01 sshd[6017]: Failed password for invalid user ub from 111.67.200.161 port 57196 ssh2
...
2020-04-27 22:15:32
51.91.127.201 attackspam
Apr 27 16:09:07 electroncash sshd[16660]: Failed password for root from 51.91.127.201 port 59648 ssh2
Apr 27 16:13:06 electroncash sshd[17660]: Invalid user ek from 51.91.127.201 port 44064
Apr 27 16:13:06 electroncash sshd[17660]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.127.201 
Apr 27 16:13:06 electroncash sshd[17660]: Invalid user ek from 51.91.127.201 port 44064
Apr 27 16:13:07 electroncash sshd[17660]: Failed password for invalid user ek from 51.91.127.201 port 44064 ssh2
...
2020-04-27 22:27:50
42.115.207.95 attackbots
1587988558 - 04/27/2020 13:55:58 Host: 42.115.207.95/42.115.207.95 Port: 445 TCP Blocked
2020-04-27 22:24:21
106.12.166.167 attack
Apr 27 15:51:16 server sshd[3425]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.166.167
Apr 27 15:51:18 server sshd[3425]: Failed password for invalid user sshuser from 106.12.166.167 port 64662 ssh2
Apr 27 15:56:17 server sshd[4029]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.166.167
Apr 27 15:56:20 server sshd[4029]: Failed password for invalid user gggg from 106.12.166.167 port 62215 ssh2
...
2020-04-27 22:02:10
81.133.142.45 attackspambots
Apr 27 15:44:06 eventyay sshd[31498]: Failed password for root from 81.133.142.45 port 57060 ssh2
Apr 27 15:49:34 eventyay sshd[31690]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.133.142.45
Apr 27 15:49:36 eventyay sshd[31690]: Failed password for invalid user ubuntu from 81.133.142.45 port 41430 ssh2
...
2020-04-27 22:06:10
157.55.39.209 attackspam
Automatic report - Banned IP Access
2020-04-27 22:37:41
46.52.213.194 attackbots
IP was detected trying to Brute-Force SSH, FTP, Web Apps, Port-Scan or Hacking.
2020-04-27 22:12:01
106.38.203.230 attack
2020-04-27T14:57:26.736349vps751288.ovh.net sshd\[8420\]: Invalid user sftp from 106.38.203.230 port 4311
2020-04-27T14:57:26.745672vps751288.ovh.net sshd\[8420\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.38.203.230
2020-04-27T14:57:28.919033vps751288.ovh.net sshd\[8420\]: Failed password for invalid user sftp from 106.38.203.230 port 4311 ssh2
2020-04-27T15:01:26.073306vps751288.ovh.net sshd\[8472\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.38.203.230  user=root
2020-04-27T15:01:28.192061vps751288.ovh.net sshd\[8472\]: Failed password for root from 106.38.203.230 port 25692 ssh2
2020-04-27 22:05:37
219.155.178.163 attack
REQUESTED PAGE: /GponForm/diag_Form?images/
2020-04-27 22:25:55
212.161.76.140 attackbotsspam
Apr 27 15:03:43 ns382633 sshd\[20673\]: Invalid user first from 212.161.76.140 port 40608
Apr 27 15:03:43 ns382633 sshd\[20673\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.161.76.140
Apr 27 15:03:45 ns382633 sshd\[20673\]: Failed password for invalid user first from 212.161.76.140 port 40608 ssh2
Apr 27 15:07:57 ns382633 sshd\[21763\]: Invalid user caixa from 212.161.76.140 port 60722
Apr 27 15:07:57 ns382633 sshd\[21763\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.161.76.140
2020-04-27 22:07:51
51.83.66.171 attackbots
ET SCAN Suspicious inbound to PostgreSQL port 5432 - port: 5432 proto: TCP cat: Potentially Bad Traffic
2020-04-27 22:36:47
217.20.138.171 attack
Apr 27 13:59:21 vmd26974 sshd[9471]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.20.138.171
Apr 27 13:59:24 vmd26974 sshd[9471]: Failed password for invalid user hassan from 217.20.138.171 port 36960 ssh2
...
2020-04-27 22:03:27
222.186.180.8 attackspam
Apr 27 16:11:38 pve1 sshd[14752]: Failed password for root from 222.186.180.8 port 17890 ssh2
Apr 27 16:11:42 pve1 sshd[14752]: Failed password for root from 222.186.180.8 port 17890 ssh2
...
2020-04-27 22:14:00
103.200.22.126 attackspam
Apr 27 15:42:37 PorscheCustomer sshd[3764]: Failed password for root from 103.200.22.126 port 35484 ssh2
Apr 27 15:46:04 PorscheCustomer sshd[3871]: Failed password for root from 103.200.22.126 port 53618 ssh2
...
2020-04-27 22:07:30

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