Data as of Nov 4, 2026
20.40.0.0/13
No anonymizer spaceMicrosoft Corporation
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 20.47.0.0/24 since May 2022 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.1.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.2.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.3.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.4.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.5.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.6.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.7.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.8.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.9.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.10.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.11.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.12.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.13.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.14.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.15.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.16.0/23 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.18.0/23 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.20.0/23 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.22.0/23 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.24.0/23 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.26.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.27.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.28.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.29.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.30.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.31.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.32.0/24 since Nov 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.33.0/24 since Oct 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.34.0/24 since Nov 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.37.0/24 since Feb 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.39.0/24 since Feb 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.40.0/24 since Jun 2022 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.41.0/24 since Oct 2023 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.42.0/24 since Feb 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.43.0/24 since Jan 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.44.0/24 since Jul 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.45.0/24 since Jul 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.46.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.47.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.48.0/24 since Oct 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.49.0/24 since Dec 2023 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.50.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.51.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.52.0/24 since Feb 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.53.0/24 since Jul 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.54.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.55.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.56.0/24 since Jul 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.57.0/24 since Feb 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.58.0/23 since Jul 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.60.0/23 since Jul 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.62.0/23 since Aug 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.64.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.65.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.66.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.67.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.68.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.69.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.70.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.71.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.72.0/23 since Feb 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.76.0/23 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.78.0/23 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.80.0/23 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.82.0/23 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.84.0/23 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.86.0/24 since Feb 2021 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.87.0/24 since Jun 2022 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.88.0/24 since Oct 2023 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.89.0/24 since Jul 2024 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.90.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.91.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.92.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.93.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.94.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.95.0/24 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.96.0/23 since May 2022 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.98.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.99.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.100.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.101.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.102.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.103.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.104.0/24 since Jun 2019 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.105.0/24 since Jun 2019 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.106.0/24 since Dec 2019 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.107.0/24 since Dec 2019 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.108.0/23 since May 2022 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.110.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.111.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.112.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.113.0/24 since Mar 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.114.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.115.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.116.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.117.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.118.0/24 since Apr 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.119.0/24 since May 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.120.0/23 since Aug 2020 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.122.0/23 since Mar 2025 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.124.0/23 since Feb 2025 | AS8069 | Hosting | Microsoft Corporation | |
| 20.47.126.0/23 since Jan 2021 | AS8069 | Hosting | Microsoft Corporation |
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
- Stable
- First seen
- Jun 2018
- Current origin since
- Jun 2018 · 8.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 20.40.0.0/13 | AS8075 | /13 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8075 | RADB | MICROSOFT | MAINT-AS8075 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 20.45.64.0/20 | AS8075 | RADB | Microsoft Middle East | MAINT-AS8075 | Nov 13, 2023 |
| 20.45.80.0/24 | AS8075 | RADB | Microsoft Middle East | MAINT-AS8075 | Nov 13, 2023 |
| 20.45.128.0/20 | AS8075 | RADB | Microsoft | MAINT-AS8075 | Nov 13, 2023 |
| 20.46.32.0/19 | AS8075 | RADB | Microsoft | MAINT-AS8075 | Nov 13, 2023 |
| 20.46.32.0/24 | AS8075 | RADB | Microsoft Middle East | MAINT-AS8075 | Nov 13, 2023 |
| 20.46.144.0/20 | AS8075 | RADB | Microsoft | MAINT-AS8075 | Nov 13, 2023 |
| 20.46.192.0/19 | AS8075 | RADB | Microsoft | MAINT-AS8075 | Nov 13, 2023 |
| 20.47.38.0/24 | AS8069 | RADB | Microsoft | MAINT-AS8075 | Nov 13, 2023 |
| 20.47.74.0/23 | AS8069 | RADB | Microsoft | MAINT-AS8075 | Nov 13, 2023 |
| 20.47.74.0/24 | AS8069 | RADB | Microsoft | MAINT-AS8075 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 20.
33. 0. 0 - 20. 128. 255. 255 - Netname
- MSFT
- Registrant
- Microsoft Corporation
- Organization
- Microsoft Corporation (MSFT)
- Org address
- One Microsoft Way, Redmond, WA, 98052
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-20-33-0-0-1
- Parent
- NET-20-0-0-0-0
- Created
- Oct 18, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 18, 2017
- Status
- assigned
Report abuse
Abuse contact
- abuse@
microsoft. com - Name
- Microsoft Abuse Contact
- Phone
- +1-425-882-8080
- Handle
- MAC74-ARIN