166.19.0.0/16
🇺🇸CIDR
166.19.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Roseland
RIR
ARIN
Status
allocated
Allocated
1/25/2024
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 166.19.0.0/16 | AS33425COREWEAVE - CoreWeave, Inc | Valid | RADB | 5/30/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 166.19.152.0/22 | AS33425COREWEAVE - CoreWeave, Inc | Valid | — | 5/30/2026 |
| 166.19.49.0/24 | AS33425COREWEAVE - CoreWeave, Inc | Valid | — | 5/30/2026 |
Origin ASN
AS33425
COREWEAVE - CoreWeave, Inc
Geolocation
API
Open https://api.ipctl.io/v1/prefix/166.19.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/166.19.0.0/16" | jq
External Links