140.221.72.0/21
IPv4 prefix announced by AS683 Argonne National Laboratory
valid RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS683 Argonne National Laboratory valid
- Observed origin (RIS)
- AS683 ARGONNE-AS - Argonne National Laboratory
- Country
- United States
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-17