| AS Number | 21896 |
|---|---|
| AS Name | |
| Organization | Alliant Energy(allia-101) |
| Country | US |
| Website | alliantenergy.com |
| Number of IPv4 Routes | 8 |
| Number of IPv6 Routes | 0 |
| ASN type | BUSINESS |
| Allocation Status | |
| Registry | ARIN |
| Date Allocated | N/A |
| Route | # IPs |
|---|---|
| 198.7.46.0/23 | 512 |
| 198.7.44.0/23 | 512 |
| 207.71.142.0/23 | 512 |
| 207.71.128.0/23 | 512 |
| 198.7.42.0/23 | 512 |
| 207.71.136.0/23 | 512 |
| 207.71.134.0/23 | 512 |
| 198.7.38.0/23 | 512 |
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
ASNumber: 21896
ASName: ALLIANT-ENERGY
ASHandle: AS21896
RegDate: 2009-01-08
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/21896
OrgName: Alliant Energy
OrgId: ALLIA-101
Address: 4902 North Biltmore Lane
City: Madison
StateProv: WI
PostalCode: 53707-1007
Country: US
RegDate: 2008-12-30
Updated: 2020-12-08
Comment: Standard NOC hours are 7am to 5pm CST
Ref: https://rdap.arin.net/registry/entity/ALLIA-101
OrgTechHandle: DNA51-ARIN
OrgTechName: Data Networks Admin
OrgTechPhone: +1-608-458-4357
OrgTechEmail: dl_its_telecom_networks@alliantenergy.com
OrgTechRef: https://rdap.arin.net/registry/entity/DNA51-ARIN
OrgAbuseHandle: DNA51-ARIN
OrgAbuseName: Data Networks Admin
OrgAbusePhone: +1-608-458-4357
OrgAbuseEmail: dl_its_telecom_networks@alliantenergy.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/DNA51-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
Start for
Free
No Credit Card Needed
Access up to 1,000 requests/day with our forever free plan.
Sign Up Free