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Data as of Nov 3, 2026

158.58.136.0/21

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by Teamsystem S.P.A.

Announcement
this exact prefix
RPKI valid
Announced by
AS8075
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
158.58.136.0/212,048IT-TEAMSYSTEM-20111109Teamsystem S.P.A. (ORG-TS350-RIPE) · ITALLOCATED PANov 9, 2011[email protected]
└ 158.58.136.0/24256MailUpTeamsystem S.P.A. (ORG-TS350-RIPE) · ITASSIGNED PASep 12, 2025[email protected]
└ 158.58.137.0/24256MailUpTeamsystem S.P.A. (ORG-TS350-RIPE) · ITASSIGNED PASep 12, 2025[email protected]
└ 158.58.138.0/24256MailUpTeamsystem S.P.A. (ORG-TS350-RIPE) · ITASSIGNED PASep 12, 2025[email protected]
└ 158.58.139.0/24256MailUpTeamsystem S.P.A. (ORG-TS350-RIPE) · ITASSIGNED PASep 12, 2025[email protected]
└ 158.58.140.0/24256MailUpTeamsystem S.P.A. (ORG-TS350-RIPE) · ITASSIGNED PASep 12, 2025[email protected]
└ 158.58.141.0/24256MailUpTeamsystem S.P.A. (ORG-TS350-RIPE) · ITASSIGNED PASep 12, 2025[email protected]
└ 158.58.142.0/24256MailUpTeamsystem S.P.A. (ORG-TS350-RIPE) · ITASSIGNED PASep 12, 2025[email protected]
└ 158.58.143.0/24256MailUpTeamsystem S.P.A. (ORG-TS350-RIPE) · ITASSIGNED PASep 12, 2025[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS8075

US
Name
Microsoft Corporation
Type
Hosting
Registered
Mar 31, 1997
Domain
microsoft.com
Website
www.microsoft.com
Industry
Software Development
Spamhaus ASN-DROP
not listed