Data as of Nov 3, 2026
167.220.227.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corp · space held by Microsoft Singapore Pte. Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 167.220.226.0/23 since Aug 2018 | AS45139 | Business | Microsoft Singapore Pte. Ltd. | ||
| 167.220.224.0/19 since Feb 2023 | AS3598 | Business | 24 | ||
| 167.220.0.0/16 since Oct 2017 | AS3598 | Business | 36 |
Network & registry
Origin network
AS45139
SG
- Name
- Microsoft Corp
- Type
- Business
- Registered
- Mar 7, 2008
- Domain
- microsoft.com
- Industry
- Other
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2019
- Current origin since
- May 2024 · 2.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 167.220.227.0/24 | AS45139 | /24 | APNIC | RPKI valid |
| 167.220.226.0/23 | AS45139 | /23 | APNIC | Too specific |
| 167.220.224.0/20 | AS3598 | /20 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 167.220.224.0/20
- Netname
- MICROSOFT-APNIC
- Registrant
- Microsoft Singapore Pte. Ltd.
- Registrant country
- SG
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 16, 2022
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- SG
- Delegated
- Jan 9, 2014
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE MICROSOFTAPNICSG
- Handle
- AM2589-AP