66.185.128.0/19
🇺🇸CIDR
66.185.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
Ashburn
RIR
ARIN
Status
allocated
Allocated
10/20/2025
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.185.128.0/19 | AS14450GEICO01 - GEICO | Valid | ARIN | 5/31/2026 |
Covering Prefix
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.185.137.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 5/31/2026 |
| 66.185.138.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 5/31/2026 |
| 66.185.139.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 5/31/2026 |
| 66.185.140.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 5/31/2026 |
| 66.185.141.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 5/31/2026 |
| 66.185.142.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 5/31/2026 |
| 66.185.129.0/24 | AS14450GEICO01 - GEICO | Valid | — | 5/31/2026 |
Origin ASN
AS14450
GEICO01 - GEICO
Geolocation
API
Open https://api.ipctl.io/v1/prefix/66.185.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.185.128.0/19" | jq
External Links