Data as of Nov 7, 2026
66.185.141.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by GEICO
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
- Jan 2026
- Current origin since
- Jan 2026 · 9 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.185.141.0/24 | AS8075 | /24 | ARIN | RPKI valid |
| 66.185.128.0/19 | AS14450 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 66.
185. 128. 0/ 19 - Netname
- GEICO-V4-3
- Registrant
- GEICO
- Organization
- GEICO (GEICO-1)
- Org address
- 5260 WESTERN AVE, CHEVY CHASE, MD, 20815
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-185-128-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Oct 20, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 20, 2025
- Status
- assigned
Report abuse
Abuse contact
- kamilrakowski@
geico. com - Name
- Rakowski, Kamil
- Phone
- +1-240-541-7789
- Handle
- RAKOW25-ARIN