158.23.187.203 Threat Intelligence and Host Information

Jun 09, 2025 ipinfopage

General

This page contains threat intelligence information for the IPv4 address 158.23.187.203 and was generated either as a result of observed malicious activity or as an information gathering exercise to assist with enrichment of security events and context. All information is gathered passively through aggregation of public sources, or observations through activity upon honeynets. The host score is calculated through a series of statistically weighted values and machine learning which takes into account metadata such as host information, frequency, volume and global distribution of malicious activity, association with other known malicious hosts or networks, proxying or anonymising behaviour such as with tor exit nodes, residential proxies or VPN services, and many other attributes. These values are historical and indicative only - and should not be taken to be an accurate representation of the users, businesses or networks in which they reside.

Possibly Malicious Host 🟢 10/100

Host and Network Information

  • Country: Singapore
  • Network:
  • Noticed: 1 times
  • Protocols Attacked: Anonymous Proxy

Map

Whois Information

  • NetRange: 158.23.0.0 - 158.23.255.255
  • CIDR: 158.23.0.0/16
  • NetName: APNIC
  • NetHandle: NET-158-23-0-0-1
  • Parent: NET158 (NET-158-0-0-0-0)
  • NetType: Early Registrations, Transferred to APNIC
  • OriginAS:
  • Organization: Asia Pacific Network Information Centre (APNIC)
  • RegDate: 2022-04-28
  • Updated: 2022-04-28
  • Ref: https://rdap.arin.net/registry/ip/158.23.0.0
  • OrgName: Asia Pacific Network Information Centre
  • OrgId: APNIC
  • Address: PO Box 3646
  • City: South Brisbane
  • StateProv: QLD
  • PostalCode: 4101
  • Country: AU
  • RegDate:
  • Updated: 2012-01-24
  • Ref: https://rdap.arin.net/registry/entity/APNIC
  • OrgAbuseHandle: AWC12-ARIN
  • OrgAbuseName: APNIC Whois Contact
  • OrgAbusePhone: +61 7 3858 3188
  • OrgAbuseEmail: search-apnic-not-arin@apnic.net
  • OrgAbuseRef: https://rdap.arin.net/registry/entity/AWC12-ARIN
  • OrgTechHandle: AWC12-ARIN
  • OrgTechName: APNIC Whois Contact
  • OrgTechPhone: +61 7 3858 3188
  • OrgTechEmail: search-apnic-not-arin@apnic.net
  • OrgTechRef: https://rdap.arin.net/registry/entity/AWC12-ARIN
  • inetnum: 158.23.0.0 - 158.23.255.255
  • netname: MICROSOFT-APNIC-AS-AP
  • descr: Microsoft Singapore Pte. Ltd.
  • country: SG
  • org: ORG-MSPL4-AP
  • admin-c: DB662-AP
  • tech-c: MP234-AP
  • abuse-c: AM2589-AP
  • status: ALLOCATED PORTABLE
  • mnt-by: APNIC-HM
  • mnt-lower: MAINT-MOPL-SG
  • mnt-routes: MAINT-MOPL-SG
  • mnt-lower: MAINT-AP-MICROSOFT
  • mnt-routes: MAINT-AP-MICROSOFT
  • mnt-irt: IRT-MICROSOFT-APNIC-SG
  • mnt-irt: IRT-MOPL-SG
  • last-modified: 2022-12-16T05:54:14Z
  • irt: IRT-MICROSOFT-APNIC-SG
  • address: One Microsft Way
  • address: Redmond, WA 98052
  • address: US
  • e-mail: abuse@microsoft.com
  • abuse-mailbox: abuse@microsoft.com
  • admin-c: MP234-AP
  • tech-c: MP234-AP
  • mnt-by: MAINT-AP-MICROSOFT
  • last-modified: 2022-11-16T13:05:03Z
  • irt: IRT-MOPL-SG
  • e-mail: abuse@microsoft.com
  • abuse-mailbox: abuse@microsoft.com
  • admin-c: MOPL1-AP
  • tech-c: MOPL1-AP
  • mnt-by: MAINT-MOPL-SG
  • last-modified: 2022-11-16T13:05:02Z
  • organisation: ORG-MSPL4-AP
  • org-name: Microsoft Singapore Pte. Ltd.
  • country: US
  • address: One Microsoft Way
  • phone: +011-425-706-8080
  • fax-no: +011-425-936-7329
  • e-mail: dawn.bedard@microsoft.com
  • mnt-ref: APNIC-HM
  • mnt-by: APNIC-HM
  • last-modified: 2020-05-27T12:56:32Z
  • role: ABUSE MICROSOFTAPNICSG
  • address: One Microsft Way
  • address: Redmond, WA 98052
  • address: US
  • country: ZZ
  • phone: +000000000
  • e-mail: abuse@microsoft.com
  • admin-c: MP234-AP
  • tech-c: MP234-AP
  • nic-hdl: AM2589-AP
  • abuse-mailbox: abuse@microsoft.com
  • mnt-by: APNIC-ABUSE
  • last-modified: 2022-11-16T13:05:49Z
  • person: Dawn Bedard
  • address: One Microsoft Way
  • country: US
  • phone: +0114257062751
  • e-mail: dabedard@microsoft.com
  • nic-hdl: DB662-AP
  • mnt-by: MAINT-AP-MICROSOFT
  • last-modified: 2019-03-25T16:26:42Z
  • person: MSFT POC
  • nic-hdl: MP234-AP
  • e-mail: iprrms@microsoft.com
  • address: One Microsft Way
  • address: Redmond, WA 98052
  • address: US
  • phone: +1-425-882-8080
  • country: US
  • mnt-by: MAINT-AP-MICROSOFT
  • last-modified: 2008-09-04T07:32:53Z
  • route: 158.23.0.0/16
  • origin: AS8075
  • descr: Microsoft Singapore Pte. Ltd.
  • mnt-by: MAINT-AP-MICROSOFT
  • mnt-by: MAINT-MOPL-SG
  • last-modified: 2022-12-16T05:54:14Z

Links to attack logs

anonymous-proxy-ip-list-2025-06-08

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