Data as of Nov 5, 2026
170.22.154.0/23
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by CareFirst Management Company, LLC
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
- Nov 2023
- Current origin since
- Nov 2023 · 3.0 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 170.
22. 0. 0/ 16 - Netname
- BCBSMD
- Registrant
- CareFirst Management Company, LLC
- Organization
- CareFirst Management Company, LLC (CML-295)
- Org address
- 1501 S. Clinton St., Baltimore, MD, 21224
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-170-22-0-0-1
- Parent
- NET-170-0-0-0-0
- Created
- Jan 4, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 4, 1994
- Status
- assigned
Report abuse
Abuse contact
- Christopher.
Blake@ carefirst. com - Name
- Blake, Christopher
- Phone
- +1-410-880-6463
- Handle
- BLAKE257-ARIN