City: Des Moines
Region: Iowa
Country: United States
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: 52.145.0.0 - 52.191.255.255
CIDR: 52.160.0.0/11, 52.146.0.0/15, 52.145.0.0/16, 52.152.0.0/13, 52.148.0.0/14
NetName: MSFT
NetHandle: NET-52-145-0-0-1
Parent: NET52 (NET-52-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Microsoft Corporation (MSFT)
RegDate: 2015-11-24
Updated: 2021-12-14
Ref: https://rdap.arin.net/registry/ip/52.145.0.0
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
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: 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
OrgRoutingHandle: CHATU3-ARIN
OrgRoutingName: Chaturmohta, Somesh
OrgRoutingPhone: +1-425-882-8080
OrgRoutingEmail: someshch@microsoft.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/CHATU3-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
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
#
# 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 <<>> 52.165.83.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 29149
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;52.165.83.1. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026111302 1800 900 604800 86400
;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Nov 14 02:30:15 CST 2026
;; MSG SIZE rcvd: 104Host 1.83.165.52.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 1.83.165.52.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 217.61.57.72 | attack | Mar 7 23:19:30 mail.srvfarm.net postfix/smtpd[2941675]: warning: unknown[217.61.57.72]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Mar 7 23:19:30 mail.srvfarm.net postfix/smtpd[2941675]: lost connection after AUTH from unknown[217.61.57.72] Mar 7 23:19:35 mail.srvfarm.net postfix/smtpd[2938495]: warning: unknown[217.61.57.72]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Mar 7 23:19:35 mail.srvfarm.net postfix/smtpd[2938495]: lost connection after AUTH from unknown[217.61.57.72] Mar 7 23:19:39 mail.srvfarm.net postfix/smtpd[2941675]: warning: unknown[217.61.57.72]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 |
2020-03-08 06:37:28 |
| 41.160.28.66 | attackspam | MultiHost/MultiPort Probe, Scan, Hack - |
2020-03-08 06:18:27 |
| 94.102.56.215 | attack | 94.102.56.215 was recorded 20 times by 11 hosts attempting to connect to the following ports: 10633,10285,10009. Incident counter (4h, 24h, all-time): 20, 125, 6999 |
2020-03-08 06:36:02 |
| 92.249.167.90 | attack | Honeypot attack, port: 4567, PTR: 92-249-167-90.pool.digikabel.hu. |
2020-03-08 06:02:48 |
| 220.135.40.78 | attackbots | firewall-block, port(s): 81/tcp |
2020-03-08 06:26:48 |
| 207.154.193.178 | attackspam | Mar 7 22:54:26 ns382633 sshd\[23923\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.193.178 user=root Mar 7 22:54:28 ns382633 sshd\[23923\]: Failed password for root from 207.154.193.178 port 41754 ssh2 Mar 7 23:06:44 ns382633 sshd\[26269\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.193.178 user=root Mar 7 23:06:46 ns382633 sshd\[26269\]: Failed password for root from 207.154.193.178 port 57536 ssh2 Mar 7 23:10:49 ns382633 sshd\[27060\]: Invalid user apache from 207.154.193.178 port 55910 Mar 7 23:10:49 ns382633 sshd\[27060\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.193.178 |
2020-03-08 06:12:34 |
| 138.197.221.114 | attackbots | Mar 7 12:20:34 hpm sshd\[24814\]: Invalid user bs from 138.197.221.114 Mar 7 12:20:34 hpm sshd\[24814\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.221.114 Mar 7 12:20:35 hpm sshd\[24814\]: Failed password for invalid user bs from 138.197.221.114 port 59304 ssh2 Mar 7 12:25:59 hpm sshd\[25217\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.221.114 user=root Mar 7 12:26:01 hpm sshd\[25217\]: Failed password for root from 138.197.221.114 port 49840 ssh2 |
2020-03-08 06:35:15 |
| 49.204.231.34 | attackbots | 1583587577 - 03/07/2020 14:26:17 Host: 49.204.231.34/49.204.231.34 Port: 445 TCP Blocked |
2020-03-08 06:03:09 |
| 222.186.180.142 | attack | Mar 8 00:21:45 server2 sshd\[19787\]: User root from 222.186.180.142 not allowed because not listed in AllowUsers Mar 8 00:22:08 server2 sshd\[19815\]: User root from 222.186.180.142 not allowed because not listed in AllowUsers Mar 8 00:27:37 server2 sshd\[20191\]: User root from 222.186.180.142 not allowed because not listed in AllowUsers Mar 8 00:27:45 server2 sshd\[20195\]: User root from 222.186.180.142 not allowed because not listed in AllowUsers Mar 8 00:27:45 server2 sshd\[20197\]: User root from 222.186.180.142 not allowed because not listed in AllowUsers Mar 8 00:27:53 server2 sshd\[20203\]: User root from 222.186.180.142 not allowed because not listed in AllowUsers |
2020-03-08 06:31:00 |
| 89.248.168.217 | attackspam | 89.248.168.217 was recorded 5 times by 5 hosts attempting to connect to the following ports: 9. Incident counter (4h, 24h, all-time): 5, 21, 18785 |
2020-03-08 06:42:28 |
| 200.109.38.9 | attack | 1583619036 - 03/07/2020 23:10:36 Host: 200.109.38.9/200.109.38.9 Port: 445 TCP Blocked |
2020-03-08 06:18:08 |
| 174.219.146.77 | attackspam | Brute forcing email accounts |
2020-03-08 06:17:52 |
| 112.85.42.188 | attackspam | 03/07/2020-17:17:48.727999 112.85.42.188 Protocol: 6 ET SCAN Potential SSH Scan |
2020-03-08 06:19:49 |
| 3.0.223.188 | attack | WordPress brute force |
2020-03-08 06:07:15 |
| 168.232.197.4 | attack | firewall-block, port(s): 5060/udp |
2020-03-08 06:32:21 |