AS397112 Illinois Mathematics and Science Academy 🇺🇸 US
Announcing 6 prefixes, seen at the RIS collectors.
IPv4 prefixes
6
58,112 (227 × /24)
IPv6 prefixes
0
-
Upstreams
2
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
- AS397112
- Name
- Illinois Mathematics and Science Academy
- Organisation
- Illinois Mathematics and Science Academy
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2018-10-16
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
6 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 143.195.0.0/17 v4 | no ROA | 43 | 70186325397112 | 2026-09-18 |
| 143.195.1.0/24 v4 | no ROA | 41 | 70186325397112 | 2026-09-18 |
| 143.195.2.0/24 v4 | no ROA | 41 | 70186325397112 | 2026-09-18 |
| 143.195.3.0/24 v4 | no ROA | 41 | 70186325397112 | 2026-09-18 |
| 143.195.128.0/18 v4 | no ROA | 43 | 70186325397112 | 2026-09-18 |
| 143.195.192.0/19 v4 | no ROA | 43 | 70186325397112 | 2026-09-18 |