Data as of Nov 9, 2026
51.54.0.0/15
No anonymizer spaceMicrosoft Corporation · space held by Microsoft Limited
Network & registry
Origin network
AS8070
US
- Name
- Microsoft Corporation
- Type
- Hosting
- Registered
- Mar 31, 1997
- Domain
- microsoft.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Aug 2024
- Current origin since
- Nov 2024 · 2.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2024
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 51.54.0.0/15 | AS8070 | /15 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 51.
54. 0. 0 - 51. 59. 255. 255 - Netname
- UK-Microsoft
- Registrant
- Microsoft Limited
- Registrant country
- GB
- Organization
- Microsoft Limited (ORG-MA42-RIPE)
- Org country
- GB
- Type
- LEGACY
- Created
- Oct 6, 2016
- Updated
- May 8, 2024
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
microsoft. com - Name
- Microsoft Abuse Contact
- Handle
- MAC274-RIPE