38.21.56.0/21
🇺🇸CIDR
38.21.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Oakland
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 38.21.56.0/21 | AS13692DFN-ASN-1 - Douglas FastNet | Valid | ARINRADB | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 38.0.0.0/8 | AS174COGENT-174 - Cogent Communications, LLC | No ROA | — | 6/1/2026 |
Origin ASN
AS13692
DFN-ASN-1 - Douglas FastNet
Geolocation
API
Open https://api.ipctl.io/v1/prefix/38.21.56.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/38.21.56.0/21" | jq
External Links