199.128.0.0/11
🇺🇸CIDR
199.128.0.0/11
IP Version
IPv4
Addresses
2M
Mask
/11 (255.224.0.0)
Country
🇺🇸 United States
City
Fort Collins
RIR
ARIN
Status
allocated
Allocated
2/8/1994
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.128.0.0/11 | AS4155USDA-1 - USDA | No ROA | — | 6/13/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.141.126.0/24 | AS4155USDA-1 - USDA | No ROA | — | 6/13/2026 |
Origin ASN
AS4155
USDA-1 - USDA
Geolocation
API
Open https://api.ipctl.io/v1/prefix/199.128.0.0/11Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.128.0.0/11" | jq
External Links