199.187.64.0/21
🇺🇸CIDR
199.187.64.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Mountlake Terrace
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.187.64.0/21 | AS399776PBC-SEA-WA-POP - Premera Blue Cross | No ROA | RADB | 5/31/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.187.64.0/23 | AS395778PBC-QNC-WA - Premera Blue Cross | No ROA | — | 5/31/2026 |
| 199.187.66.0/23 | AS395778PBC-QNC-WA - Premera Blue Cross | No ROA | — | 5/31/2026 |
| 199.187.68.0/23 | AS395778PBC-QNC-WA - Premera Blue Cross | No ROA | — | 5/31/2026 |
| 199.187.70.0/24 | AS399776PBC-SEA-WA-POP - Premera Blue Cross | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/199.187.64.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.187.64.0/21" | jq
External Links