198.181.231.0/24

IPv4 prefix announced by AS102 U.S. National Science Foundation

unknown RPKI

VALID announced

1 Recorded origin

Routing

Recorded origin: AS102 U.S. National Science Foundation unknown
Observed origin (RIS): AS102 NSF-HQ-AS - U.S. National Science Foundation
Country: United States

RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18