Data as of Nov 9, 2026
144.77.163.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by PIMCO
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Aug 2026
its first announcement on record
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 144.77.0.0/16 | 65,536 | PIMCO | PIMCO (PIM-1) · US | Direct Allocation | Nov 20, 1990 | chuck. |
| └ 144.77.163.0/24 | 256 | AZURE-GLOBAL-PROD-2 | PIMCO (PIM-1) · US | Reallocated | Aug 15, 2026 | chuck. |
Network & registry
Registry
Holder
- Organization
- PIMCO
- Handle
- PIM-1
- Range
- 144.
77. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Nov 20, 1990
- Legacy
- yes
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
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 144.
77. 163. 0/ 24 - Netname
- AZURE-GLOBAL-PROD-2
- Registrant
- PIMCO
- Organization
- PIMCO (PIM-1)
- Org address
- 650 Newport Center Drive, Newport Beach, CA, 92660
- Org country
- US
- Type
- Reallocated
- Handle
- NET-144-77-163-0-1
- Parent
- NET-144-77-0-0-1
- Created
- Aug 15, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 20, 1990
- Status
- assigned
Report abuse
Abuse contact
- chuck.
hulbert@ pimco. com - Name
- Hulbert, Chuck
- Phone
- +1-949-720-6440
- Handle
- HULBE2-ARIN