204.87.16.0/20
🇺🇸CIDR
204.87.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Sterling
RIR
ARIN
Status
allocated
Allocated
7/28/1994
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.87.16.0/20 | AS3930FERC-FED-US - Federal Energy Regulatory Commission | No ROA | — | 5/31/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.87.16.0/24 | AS3930FERC-FED-US - Federal Energy Regulatory Commission | No ROA | — | 5/31/2026 |
| 204.87.17.0/24 | AS3930FERC-FED-US - Federal Energy Regulatory Commission | No ROA | — | 5/31/2026 |
| 204.87.18.0/24 | AS3930FERC-FED-US - Federal Energy Regulatory Commission | No ROA | — | 5/31/2026 |
| 204.87.19.0/24 | AS3930FERC-FED-US - Federal Energy Regulatory Commission | No ROA | — | 5/31/2026 |
| 204.87.20.0/24 | AS3930FERC-FED-US - Federal Energy Regulatory Commission | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/204.87.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.87.16.0/20" | jq
External Links