Data as of Nov 9, 2026
199.21.128.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by IT Right, Inc
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 |
|---|---|---|---|---|---|---|
| 199.21.128.0/22 | 1,024 | ITRIG-1 | IT Right, Inc (ITRIG) · US | Direct Allocation | Aug 6, 2010 | mgmt@ |
| └ 199.21.128.0/24 | 256 | BSAO-AZURE | BS&A Software, LLC (BS-1459) · US | Reassigned | Aug 1, 2023 | — |
Network & registry
Registry
Holder
- Organization
- IT Right, Inc
- Handle
- ITRIG
- Range
- 199.
21. 128. 0/ 22 - Registration type
- Direct Allocation
- Record created
- Aug 6, 2010
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
- Rotating
- First seen
- Sep 2010
- Current origin since
- Aug 2023 · 3.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2023
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 199.21.128.0/24 | AS8075 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 199.
21. 128. 0/ 24 - Netname
- BSAO-AZURE
- Registrant
- BS&A Software, LLC
- Organization
- BS&A Software, LLC (BS-1459)
- Org address
- 14965 Abbey Lane, Bath, MI, 48808
- Org country
- US
- Type
- Reassigned
- Handle
- NET-199-21-128-0-2
- Parent
- NET-199-21-128-0-1
- Created
- Aug 1, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 6, 2010
- Status
- assigned
Report abuse
Abuse contact
- mgmt@
clarkrd. llc - Name
- Eggleston, Dan P.
- Phone
- +1-949-641-5424
- Handle
- DPE179-ARIN