209.51.32.0/21
🇺🇸CIDR
209.51.32.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Boston
RIR
ARIN
Status
allocated
Allocated
12/4/2024
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.51.32.0/23 | AS54651BLACK-DUCK-SOFTWARE-01 - Black Duck Software, Inc. | No ROA | — | 5/31/2026 |
| 209.51.32.0/24 | AS54651BLACK-DUCK-SOFTWARE-01 - Black Duck Software, Inc. | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/209.51.32.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.51.32.0/21" | jq
External Links