Data as of Nov 14, 2026
135.1.0.0/17
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Microsoft Limited
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin May 2026
from AS10455 Nokia of America Corporation, after 1.1 years unannounced
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 135.1.0.0/16 | 65,536 | UK-MICROSOFT-19960430 | Microsoft Limited (ORG-MA42-RIPE) · GB | ALLOCATED PA | Jun 2, 2025 | abuse@ |
| └ 135.1.0.0/17 | 32,768 | cloud | unknown | ASSIGNED PA | Sep 5, 2025 | abuse@ via UK-MICROSOFT-19960430 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 135.1.0.0/16
- Prefix
- 135.1.0.0/16
- Announced by
- AS8075 Microsoft Corporation
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- UK-MICROSOFT-19960430
- Registrant
- Microsoft Limited
- 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
Routing timeline
Who has announced 135.1.0.0/16
135.1.0.0/16
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 135.1.0.0/16 | AS8075 | /16 | RIPE | RPKI valid |
IRR
Route objects on 135.1.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8075 | RADB | Microsoft | MAINT-AS8075 | Apr 21, 2026 |
Whois
Registration for this announcement
- Range
- 135.
1. 0. 0/ 16 - Netname
- UK-MICROSOFT-19960430
- Registrant
- Microsoft Limited
- Registrant country
- GB
- Organization
- Microsoft Limited (ORG-MA42-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Jun 2, 2025
- Updated
- Jun 2, 2025
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Apr 30, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
microsoft. com - Name
- Microsoft Abuse Contact
- Handle
- MAC274-RIPE