128.4.0.0/16

IPv4 prefix announced by AS2 University of Delaware

valid RPKI

VALID announced

1 Recorded origin

Routing

Recorded origin: AS2 University of Delaware valid
Observed origin (RIS): AS2 UDEL-DCN - University of Delaware
Country: Russia

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