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: Milan

Region: Lombardy

Country: Italy

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:
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


NetRange:       72.144.0.0 - 72.147.255.255
CIDR:           72.144.0.0/14
NetName:        MSFT
NetHandle:      NET-72-144-0-0-1
Parent:         NET72 (NET-72-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Microsoft Corporation (MSFT)
RegDate:        2019-12-11
Updated:        2019-12-11
Ref:            https://rdap.arin.net/registry/ip/72.144.0.0



OrgName:        Microsoft Corporation
OrgId:          MSFT
Address:        One Microsoft Way
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        1998-07-10
Updated:        2025-06-10
Comment:        To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to:
Comment:        * https://cert.microsoft.com.  
Comment:        
Comment:        For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment:        * abuse@microsoft.com.  
Comment:        
Comment:        To report security vulnerabilities in Microsoft products and services, please contact:
Comment:        * secure@microsoft.com.  
Comment:        
Comment:        For legal and law enforcement-related requests, please contact:
Comment:        * msndcc@microsoft.com
Comment:        
Comment:        For routing, peering or DNS issues, please 
Comment:        contact:
Comment:        * IOC@microsoft.com
Ref:            https://rdap.arin.net/registry/entity/MSFT


OrgRoutingHandle: CHATU3-ARIN
OrgRoutingName:   Chaturmohta, Somesh 
OrgRoutingPhone:  +1-425-882-8080 
OrgRoutingEmail:  someshch@microsoft.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CHATU3-ARIN

OrgAbuseHandle: MAC74-ARIN
OrgAbuseName:   Microsoft Abuse Contact
OrgAbusePhone:  +1-425-882-8080 
OrgAbuseEmail:  abuse@microsoft.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MAC74-ARIN

OrgTechHandle: BEDAR6-ARIN
OrgTechName:   Bedard, Dawn 
OrgTechPhone:  +1-425-538-6637 
OrgTechEmail:  dabedard@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BEDAR6-ARIN

OrgTechHandle: IPHOS5-ARIN
OrgTechName:   IPHostmaster, IPHostmaster 
OrgTechPhone:  +1-425-538-6637 
OrgTechEmail:  iphostmaster@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPHOS5-ARIN

OrgTechHandle: MRPD-ARIN
OrgTechName:   Microsoft Routing, Peering, and DNS
OrgTechPhone:  +1-425-882-8080 
OrgTechEmail:  IOC@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MRPD-ARIN

OrgTechHandle: SINGH683-ARIN
OrgTechName:   Singh, Prachi 
OrgTechPhone:  +1-425-707-5601 
OrgTechEmail:  pracsin@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SINGH683-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 72.146.2.52
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49196
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;72.146.2.52.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026081800 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Aug 19 01:30:02 CST 2026
;; MSG SIZE  rcvd: 104
Host info
Host 52.2.146.72.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 52.2.146.72.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
79.129.12.64 attackbots
lfd: (smtpauth) Failed SMTP AUTH login from 79.129.12.64 (attikak.static.otenet.gr): 5 in the last 3600 secs - Wed Sep 12 05:28:10 2018
2020-09-25 20:29:39
142.11.199.126 attack
lfd: (smtpauth) Failed SMTP AUTH login from 142.11.199.126 (chicago.growthal.com): 5 in the last 3600 secs - Tue Sep 11 21:22:24 2018
2020-09-25 20:31:43
51.105.58.206 attack
Sep 25 19:26:14 itv-usvr-02 sshd[28780]: Invalid user 157.175.48.165 from 51.105.58.206 port 6170
Sep 25 19:26:14 itv-usvr-02 sshd[28780]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.105.58.206
Sep 25 19:26:14 itv-usvr-02 sshd[28780]: Invalid user 157.175.48.165 from 51.105.58.206 port 6170
Sep 25 19:26:17 itv-usvr-02 sshd[28780]: Failed password for invalid user 157.175.48.165 from 51.105.58.206 port 6170 ssh2
Sep 25 19:30:08 itv-usvr-02 sshd[28898]: Invalid user 165 from 51.105.58.206 port 11057
2020-09-25 20:32:22
118.24.151.254 attack
Sep 25 08:10:15 rocket sshd[28537]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.151.254
Sep 25 08:10:17 rocket sshd[28537]: Failed password for invalid user vbox from 118.24.151.254 port 51938 ssh2
...
2020-09-25 20:17:10
49.89.185.21 attackbotsspam
Brute force blocker - service: proftpd1 - aantal: 109 - Sat Aug 18 03:45:20 2018
2020-09-25 20:14:12
176.122.186.83 attackbotsspam
(sshd) Failed SSH login from 176.122.186.83 (US/United States/176.122.186.83.16clouds.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 25 05:19:57 optimus sshd[8694]: Invalid user test from 176.122.186.83
Sep 25 05:19:59 optimus sshd[8694]: Failed password for invalid user test from 176.122.186.83 port 59244 ssh2
Sep 25 05:32:22 optimus sshd[14248]: Invalid user cc from 176.122.186.83
Sep 25 05:32:25 optimus sshd[14248]: Failed password for invalid user cc from 176.122.186.83 port 40824 ssh2
Sep 25 05:45:23 optimus sshd[21948]: Failed password for root from 176.122.186.83 port 50622 ssh2
2020-09-25 20:08:16
101.16.199.136 attackspambots
1600980003 - 09/24/2020 22:40:03 Host: 101.16.199.136/101.16.199.136 Port: 23 TCP Blocked
2020-09-25 20:23:53
74.208.148.214 attack
lfd: (smtpauth) Failed SMTP AUTH login from 74.208.148.214 (US/United States/u21449817.onlinehome-server.com): 5 in the last 3600 secs - Sat Aug 18 15:02:13 2018
2020-09-25 20:09:36
51.159.20.133 attack
Port scan denied
2020-09-25 20:01:37
68.183.140.132 attackspam
2020-09-25T09:44:20+0000 Failed SSH Authentication/Brute Force Attack. (Server 6)
2020-09-25 20:20:57
222.186.30.112 attackspambots
Sep 25 14:12:02 minden010 sshd[28588]: Failed password for root from 222.186.30.112 port 41637 ssh2
Sep 25 14:12:05 minden010 sshd[28588]: Failed password for root from 222.186.30.112 port 41637 ssh2
Sep 25 14:12:08 minden010 sshd[28588]: Failed password for root from 222.186.30.112 port 41637 ssh2
...
2020-09-25 20:19:11
112.85.42.67 attackspam
Sep 25 14:16:18 mail sshd[17650]: refused connect from 112.85.42.67 (112.85.42.67)
Sep 25 14:17:25 mail sshd[17706]: refused connect from 112.85.42.67 (112.85.42.67)
Sep 25 14:18:30 mail sshd[17751]: refused connect from 112.85.42.67 (112.85.42.67)
Sep 25 14:19:34 mail sshd[17800]: refused connect from 112.85.42.67 (112.85.42.67)
Sep 25 14:20:37 mail sshd[17903]: refused connect from 112.85.42.67 (112.85.42.67)
...
2020-09-25 20:28:52
20.55.4.26 attackbotsspam
Sep 25 13:25:10 icinga sshd[12278]: Failed password for root from 20.55.4.26 port 55576 ssh2
Sep 25 14:19:44 icinga sshd[32279]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.55.4.26 
Sep 25 14:19:46 icinga sshd[32279]: Failed password for invalid user 175 from 20.55.4.26 port 27521 ssh2
...
2020-09-25 20:25:37
186.155.17.79 attackbotsspam
8080/tcp
[2020-09-24]1pkt
2020-09-25 20:26:59
197.5.145.106 attack
Sep 25 03:41:12 serwer sshd\[30525\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.5.145.106  user=root
Sep 25 03:41:13 serwer sshd\[30525\]: Failed password for root from 197.5.145.106 port 9376 ssh2
Sep 25 03:48:38 serwer sshd\[31181\]: Invalid user vinay from 197.5.145.106 port 9378
Sep 25 03:48:38 serwer sshd\[31181\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.5.145.106
...
2020-09-25 20:21:38

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