156.40.53.0/24
IPv4 prefix announced by AS30387 National Institutes of Health
valid RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS30387 National Institutes of Health valid
- Observed origin (RIS)
- AS30387 NIH-NET-NCCS - National Institutes of Health
- Country
- United States
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18