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IP address details
AS21896
Alliant Energy·
IP address details
AS21896
Alliant Energy·
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS21896
  • Org Name
    Alliant Energy
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    8th January 2009
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    8
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    3
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    0

Prefixes

There are 8 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States198.7.38.0/23
Alliant Energy
198.7.32.0/20ARIN
United States198.7.42.0/23
Alliant Energy
198.7.32.0/20ARIN
United States198.7.44.0/23
Alliant Energy
198.7.32.0/20ARIN
United States198.7.46.0/23
Alliant Energy
198.7.32.0/20ARIN
United States207.71.128.0/23
Alliant Energy
207.71.128.0/19ARIN
United States207.71.134.0/23
Alliant Energy
207.71.128.0/19ARIN
United States207.71.136.0/23
Alliant Energy
207.71.128.0/19ARIN
United States207.71.142.0/23
Alliant Energy
207.71.128.0/19ARIN
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC

Peers

There are 3 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS3356
true
AS393238
ImOn Communications, LLC
true
AS4181
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Upstream

There are 3 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS3356
true
AS393238
ImOn Communications, LLC
true
AS4181
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS21896 Combined Upstream Graph AS21896 AS21896 AS3356 AS3356 AS21896->AS3356 AS4181 AS4181 AS21896->AS4181 AS3549 AS3549 AS3356->AS3549 AS7018 AS7018 AS3356->AS7018 AS2914 AS2914 AS3356->AS2914 AS209 AS209 AS3356->AS209 AS2497 AS2497 AS3356->AS2497 AS4181->AS2497 AS1299 AS1299 AS4181->AS1299 AS3257 AS3257 AS4181->AS3257 AS6461 AS6461 AS4181->AS6461 AS1299->AS3356 AS1299->AS7018 AS1299->AS2914 AS174 AS174 AS3257->AS174
AS21896 Combined Upstream Graph AS21896 AS21896 AS3356 AS3356 AS21896->AS3356 AS4181 AS4181 AS21896->AS4181 AS3549 AS3549 AS3356->AS3549 AS7018 AS7018 AS3356->AS7018 AS2914 AS2914 AS3356->AS2914 AS209 AS209 AS3356->AS209 AS2497 AS2497 AS3356->AS2497 AS4181->AS2497 AS1299 AS1299 AS4181->AS1299 AS3257 AS3257 AS4181->AS3257 AS6461 AS6461 AS4181->AS6461 AS1299->AS3356 AS1299->AS7018 AS1299->AS2914 AS174 AS174 AS3257->AS174

World Map

WHOIS Details


#
# 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: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/DNA51-ARIN

OrgAbuseHandle: DNA51-ARIN
OrgAbuseName: Data Networks Admin
OrgAbusePhone: +1-608-458-4357
OrgAbuseEmail: [email protected]
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.
#

#
# 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: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/DNA51-ARIN

OrgAbuseHandle: DNA51-ARIN
OrgAbuseName: Data Networks Admin
OrgAbusePhone: +1-608-458-4357
OrgAbuseEmail: [email protected]
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.
#

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
IP.CC
Search
IP address details
AS21896
Alliant Energy·
IP address details
AS21896
Alliant Energy·

Summary

  • As Number
    AS21896
  • Org Name
    Alliant Energy
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    8th January 2009
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    8
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    3
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    0

Prefixes

There are 8 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States198.7.38.0/23
Alliant Energy
198.7.32.0/20ARIN
United States198.7.42.0/23
Alliant Energy
198.7.32.0/20ARIN
United States198.7.44.0/23
Alliant Energy
198.7.32.0/20ARIN
United States198.7.46.0/23
Alliant Energy
198.7.32.0/20ARIN
United States207.71.128.0/23
Alliant Energy
207.71.128.0/19ARIN
United States207.71.134.0/23
Alliant Energy
207.71.128.0/19ARIN
United States207.71.136.0/23
Alliant Energy
207.71.128.0/19ARIN
United States207.71.142.0/23
Alliant Energy
207.71.128.0/19ARIN
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC

Peers

There are 3 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS3356
true
AS393238
ImOn Communications, LLC
true
AS4181
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Upstream

There are 3 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS3356
true
AS393238
ImOn Communications, LLC
true
AS4181
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS21896 Combined Upstream Graph AS21896 AS21896 AS3356 AS3356 AS21896->AS3356 AS4181 AS4181 AS21896->AS4181 AS3549 AS3549 AS3356->AS3549 AS7018 AS7018 AS3356->AS7018 AS2914 AS2914 AS3356->AS2914 AS209 AS209 AS3356->AS209 AS2497 AS2497 AS3356->AS2497 AS4181->AS2497 AS1299 AS1299 AS4181->AS1299 AS3257 AS3257 AS4181->AS3257 AS6461 AS6461 AS4181->AS6461 AS1299->AS3356 AS1299->AS7018 AS1299->AS2914 AS174 AS174 AS3257->AS174
AS21896 Combined Upstream Graph AS21896 AS21896 AS3356 AS3356 AS21896->AS3356 AS4181 AS4181 AS21896->AS4181 AS3549 AS3549 AS3356->AS3549 AS7018 AS7018 AS3356->AS7018 AS2914 AS2914 AS3356->AS2914 AS209 AS209 AS3356->AS209 AS2497 AS2497 AS3356->AS2497 AS4181->AS2497 AS1299 AS1299 AS4181->AS1299 AS3257 AS3257 AS4181->AS3257 AS6461 AS6461 AS4181->AS6461 AS1299->AS3356 AS1299->AS7018 AS1299->AS2914 AS174 AS174 AS3257->AS174

World Map

WHOIS Details


#
# 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: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/DNA51-ARIN

OrgAbuseHandle: DNA51-ARIN
OrgAbuseName: Data Networks Admin
OrgAbusePhone: +1-608-458-4357
OrgAbuseEmail: [email protected]
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.
#

#
# 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: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/DNA51-ARIN

OrgAbuseHandle: DNA51-ARIN
OrgAbuseName: Data Networks Admin
OrgAbusePhone: +1-608-458-4357
OrgAbuseEmail: [email protected]
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.
#

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
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What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
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