199.187.66.0/23
🇺🇸CIDR
199.187.66.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Seattle
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.187.66.0/23 | AS395778PBC-QNC-WA - Premera Blue Cross | No ROA | ARIN | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.187.64.0/21 | AS399776PBC-SEA-WA-POP - Premera Blue Cross | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS395778 | ARIN | MNT-PBC-39 | 5/7/2024 |
Origin ASN
AS395778
PBC-QNC-WA - Premera Blue Cross
Geolocation
API
Open https://api.ipctl.io/v1/prefix/199.187.66.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.187.66.0/23" | jq
External Links