Data as of Nov 3, 2026
175.106.28.0/23
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Australian Taxation Office
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Sep 2026
from AS10115 Australian Taxation OAffice, after 13.2 years unannounced
Network & registry
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Jun 2013
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 175.106.28.0/22
- Netname
- ATO-AU
- Registrant
- Australian Taxation Office
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 14, 2026
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Feb 15, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE ATOAU
- Handle
- AA1440-AP