Data as of Nov 3, 2026

158.58.136.0/24

No anonymizer space · no proxy exits in 30 days

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

Announcement
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over this block, widest first, each 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]

Network & registry

Announced by

Covering announcement 158.58.136.0/21

Prefix
158.58.136.0/21
Announced by
AS8075 Microsoft Corporation
Type
Hosting
RPKI
RPKI valid
Netname
IT-TEAMSYSTEM-20111109
Registrant
Teamsystem S.P.A.
RIR
RIPE NCC
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