City: Milan
Region: Lombardy
Country: Italy
Internet Service Provider: unknown
Hostname: unknown
Organization: unknown
Usage Type: unknown
#
# 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 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 52.2.146.72.in-addr.arpa. not found: 3(NXDOMAIN)
Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 52.2.146.72.in-addr.arpa: NXDOMAIN
| 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 |