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: 4.144.0.0 - 4.159.255.255
CIDR: 4.144.0.0/12
NetName: MSFT
NetHandle: NET-4-144-0-0-2
Parent: NET4 (NET-4-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Microsoft Corporation (MSFT)
RegDate: 2019-10-04
Updated: 2019-10-04
Ref: https://rdap.arin.net/registry/ip/4.144.0.0
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
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 <<>> 4.150.194.44
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57828
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;4.150.194.44. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026100800 1800 900 604800 86400
;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Oct 08 23:31:13 CST 2026
;; MSG SIZE rcvd: 105Host 44.194.150.4.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 44.194.150.4.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 171.5.233.25 | attackspambots | Sun, 21 Jul 2019 07:36:20 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 22:03:35 |
| 73.33.87.208 | attackspambots | Sun, 21 Jul 2019 07:36:24 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 21:51:42 |
| 202.6.233.8 | attackbots | Sun, 21 Jul 2019 07:36:24 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 21:50:38 |
| 51.68.72.174 | attackbotsspam | Port scan on 2 port(s): 139 445 |
2019-07-21 22:14:32 |
| 217.171.90.2 | attackbots | Sun, 21 Jul 2019 07:36:11 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 22:32:34 |
| 103.249.39.180 | attack | Sun, 21 Jul 2019 07:36:25 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 21:48:44 |
| 197.32.110.41 | attackspam | Sun, 21 Jul 2019 07:36:19 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 22:05:35 |
| 128.199.59.42 | attack | SSH Brute-Force reported by Fail2Ban |
2019-07-21 22:29:28 |
| 117.3.254.58 | attack | Sun, 21 Jul 2019 07:36:26 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 21:44:16 |
| 116.75.169.147 | attack | Sun, 21 Jul 2019 07:36:16 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 22:16:36 |
| 114.31.5.34 | attackbotsspam | Brute force attempt |
2019-07-21 21:58:02 |
| 117.222.26.29 | attackspam | Sun, 21 Jul 2019 07:36:12 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 22:30:44 |
| 116.109.145.58 | attackbotsspam | Sun, 21 Jul 2019 07:36:13 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 22:27:06 |
| 61.5.36.35 | attack | Sun, 21 Jul 2019 07:36:17 +0000 likely compromised host or open proxy. ddos rate spidering |
2019-07-21 22:13:56 |
| 142.93.238.162 | attackspambots | Jul 21 09:57:01 localhost sshd\[13688\]: Invalid user sinus from 142.93.238.162 port 44490 Jul 21 09:57:01 localhost sshd\[13688\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.238.162 Jul 21 09:57:03 localhost sshd\[13688\]: Failed password for invalid user sinus from 142.93.238.162 port 44490 ssh2 |
2019-07-21 21:41:17 |