146.189.128.0/21
IPv4 prefix announced by AS5724 University of Massachusetts Medical School
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS5724 University of Massachusetts Medical School unknown
- Observed origin (RIS)
- AS5724 UMASSMED - University of Massachusetts Medical School
- Country
- United States
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-17