AS21896 Alliant Energy 🇺🇸 US
Announcing 8 prefixes, seen at the RIS collectors.
IPv4 prefixes
8
4,096 (16 × /24)
IPv6 prefixes
0
-
Upstreams
4
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
- AS21896
- Name
- Alliant Energy
- Organisation
- Alliant Energy
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2009-01-08
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
8 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 198.7.38.0/23 v4 | no ROA | 44 | 3549335621896 | 2026-09-18 |
| 198.7.42.0/23 v4 | no ROA | 44 | 3549335621896 | 2026-09-18 |
| 198.7.44.0/23 v4 | no ROA | 44 | 3549335621896 | 2026-09-18 |
| 198.7.46.0/23 v4 | no ROA | 44 | 3549335621896 | 2026-09-18 |
| 207.71.128.0/23 v4 | no ROA | 47 | 3549335621896 | 2026-09-18 |
| 207.71.134.0/23 v4 | no ROA | 47 | 3549335621896 | 2026-09-18 |
| 207.71.136.0/23 v4 | no ROA | 47 | 3549335621896 | 2026-09-18 |
| 207.71.142.0/23 v4 | no ROA | 47 | 3549335621896 | 2026-09-18 |