AS400066 Facility for Rare Isotope Beams (MSU) 🇺🇸 US
Michigan State University. Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
4,352 (17 × /24)
IPv6 prefixes
2
2 × /48
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS400066
- Name
- Facility for Rare Isotope Beams (MSU)
- Organisation
- Michigan State University
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2021-09-22
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 35.11.80.0/20 v4 | RPKI valid | 48 | 34549293400066 | 2026-09-18 |
| 35.11.95.0/24 v4 | RPKI valid | 48 | 34549293400066 | 2026-09-18 |
| 2605:dd00:4000::/48 v6 | no ROA | 39 | 34549293400066 | 2026-09-18 |
| 2605:dd00:4002::/48 v6 | no ROA | 39 | 34549293400066 | 2026-09-18 |