AS231 Michigan State University 🇺🇸 US
Announcing 9 prefixes, seen at the RIS collectors.
IPv4 prefixes
7
789,504 (3,084 × /24)
IPv6 prefixes
2
1 × /32
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS231
- Name
- Michigan State University
- Organisation
- Michigan State University
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2021-06-28
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
9 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 35.8.0.0/13 v4 | RPKI valid | 43 | 7018237231 | 2026-09-18 |
| 35.12.240.0/21 v4 | RPKI valid | 13 | 1490711164231 | 2026-09-18 |
| 35.20.0.0/14 v4 | RPKI valid | 43 | 7018237231 | 2026-09-18 |
| 192.108.188.0/24 v4 | no ROA | 42 | 7018237231 | 2026-09-18 |
| 192.108.190.0/24 v4 | no ROA | 42 | 7018237231 | 2026-09-18 |
| 192.108.191.0/24 v4 | no ROA | 42 | 7018237231 | 2026-09-18 |
| 192.231.113.0/24 v4 | no ROA | 42 | 7018237231 | 2026-09-18 |
| 2605:dd00::/32 v6 | no ROA | 34 | 7018237231 | 2026-09-18 |
| 2605:dd00:8000::/48 v6 | no ROA | 11 | 1490711164231 | 2026-09-18 |