172.128.0.0/11
πΊπΈCIDR
172.128.0.0/11
IP Version
IPv4
Addresses
2M
Mask
/11 (255.224.0.0)
Country
πΊπΈ United States
City
Chantilly
RIR
RIPENCC
Status
allocated
Allocated
3/24/2000
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.128.0.0/11 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | RADB | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/172.128.0.0/11Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.128.0.0/11" | jq
External Links