167.220.0.0/17
🇺🇸CIDR
167.220.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Redmond
RIR
ARIN
Status
allocated
Allocated
10/19/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 167.220.0.0/17 | AS3598MICROSOFT-CORP-AS - Microsoft Corporation | Valid | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 167.220.0.0/16 | AS3598MICROSOFT-CORP-AS - Microsoft Corporation | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/167.220.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/167.220.0.0/17" | jq
External Links