ASN Lookup Tool

AS21896
Alliant Energy US US 8 Routes

AS21896Alliant Energy

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

IP Ranges

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

Raw Whois Response

#
# 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.
#
            

Parsed Whois Response

Peers

AS Number Description Country
AS40264 Charter Communications LLC US
AS3356 Level 3 Parent, LLC US
AS4181 TDS TELECOM US
AS393238 ImOn Communications, LLC US

Upstreams

AS Number Description Country
AS40264 Charter Communications LLC US
AS3356 Level 3 Parent, LLC US
AS4181 TDS TELECOM US
AS393238 ImOn Communications, LLC US

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