Data as of Nov 7, 2026
72.144.0.0/14
No anonymizer spaceMicrosoft Corporation
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 |
|---|---|---|---|---|---|---|
| 72.144.0.0/14 | 262,144 | MSFT | Microsoft Corporation (MSFT) · US | Direct Allocation | Dec 11, 2019 | abuse@ |
| └ 72.144.0.0/16 | 65,536 | BLS-72-144-0-0-1003020946 | MIA ADSL Eeua (C02435221) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.145.0.0/19 | 8,192 | BLS-72-145-0-0 | MIA ADSL PPP (C02435222) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.145.32.0/19 | 8,192 | BLS-72-145-32-0 | MIA ADSL PPP (C02435223) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.145.64.0/18 | 16,384 | BLS-72-145-64-0-1003020946 | ASM ADSL Eeua (C02435224) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.145.128.0/17 | 32,768 | BLS-72-145-128-0-1003020946 | ASM ADSL CBB (C02435225) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.146.192.0/19 | 8,192 | BLS-72-146-192-0-1003020946 | MCN ADSL Eeua (C02435229) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.146.224.0/19 | 8,192 | BLS-72-146-224-0-1003020946 | PFN ADSL Eeua (C02435230) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.147.0.0/19 | 8,192 | BLS-72-147-0-0-1003020946 | BGK ADSL Eeua (C02435231) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.147.32.0/19 | 8,192 | BLS-72-147-32-0-1003020946 | GSP ADSL Eeua (C02435232) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.147.64.0/18 | 16,384 | BLS-72-147-64-0-1003020946 | BHM ADSL Eeua (C02435233) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.147.128.0/18 | 16,384 | BLS-72-147-128-0-1003020946 | SDF ADSL Eeua (C02435234) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
| └ 72.147.192.0/18 | 16,384 | BLS-72-147-192-0-1003020946 | JAN ADSL Eeua (C02435235) · US | Reassigned | Mar 3, 2010 | abuse@ via MSFT |
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
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 2020
- Current origin since
- Jun 2020 · 6.4 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 72.
144. 0. 0/ 14 - 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-72-144-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Dec 11, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 11, 2019
- Status
- assigned
Report abuse
Abuse contact
- abuse@
microsoft. com - Name
- Microsoft Abuse Contact
- Phone
- +1-425-882-8080
- Handle
- MAC74-ARIN