ALLIANT ENERGY CORPORATION
Alliant Energy
Data as of 2026-08-16
GLEIF verified
LEI
5493009ML300G373MZ12
Registered name
ALLIANT ENERGY CORPORATION
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 12 · 18,944 IPv4 addresses |
| Cluster ID | 225050578 |
| Registry | BGP |
| Owner jurisdiction | US-WI |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 5493009ML300G373MZ12 |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
8 weekly snapshots · JSON
12
+1 netblocks since 2026-07-05
2026-07-05
peak 12
2026-08-16
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 198.7.32.0 – 198.7.55.255 | Alliant Energy | ARIN | DIRECT ALLOCATION | ● high |
| 198.7.38.0/23 | Alliant Energy | BGP | ANNOUNCED | ● high |
| 198.7.42.0/23 | Alliant Energy | BGP | ANNOUNCED | ● high |
| 198.7.44.0/23 | Alliant Energy | BGP | ANNOUNCED | ● high |
| 198.7.46.0/23 | Alliant Energy | BGP | ANNOUNCED | ● high |
| 204.126.86.0/23 | Alliant Energy | ARIN | DIRECT ALLOCATION | ● high |
| 207.71.128.0/23 | Alliant Energy | BGP | ANNOUNCED | ● high |
| 207.71.128.0/19 | Alliant Energy | ARIN | DIRECT ALLOCATION | ● high |
| 207.71.134.0/23 | Alliant Energy | BGP | ANNOUNCED | ● high |
| 207.71.136.0/23 | Alliant Energy | BGP | ANNOUNCED | ● high |
| 207.71.142.0/23 | Alliant Energy | BGP | ANNOUNCED | ● high |
| 207.71.176.0/20 | Alliant Energy | ARIN | DIRECT ALLOCATION | ● high |
NIC Handles
ALLIA-101
AS21896
DNA51-ARIN
DNA51-ARIN
DNA51-ARIN