ASN LANDING PAGE

AS21896

ALLIANT-ENERGY - Alliant Energy

Last updated · Jul 20, 2026

Country

Total prefixes

8

IPv4 prefixes

8

IPv6 prefixes

0

ASN summary

How to read the scale of AS21896

ALLIANT-ENERGY - Alliant Energy currently reports 8 prefixes and 4 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.

What can an ASN page answer?

An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.

How should you read the organization and region fields?

ALLIANT-ENERGY - Alliant Energy is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.

How should you verify the AS21896 result?

The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.

How to verify this ASN result

AS21896 ASN lookupAS21896 BGPAS21896 peersAS21896 prefixesAS21896 upstreamsALLIANT-ENERGY - Alliant Energy ASN

Upstreams

Detailed data for this ASN is not available right now.

Downstreams

Detailed data for this ASN is not available right now.

Prefix inventory

PrefixNameCountry
198.7.38.0/23AS21896
198.7.42.0/23AS21896
198.7.44.0/23AS21896
198.7.46.0/23AS21896
207.71.128.0/23AS21896
207.71.134.0/23AS21896
207.71.136.0/23AS21896
207.71.142.0/23AS21896

Related ASN pages

Related lookups and next steps

Frequently asked questions about this ASN page

What does AS21896 represent?

AS21896 is an autonomous system number. The current source associates it with ALLIANT-ENERGY - Alliant Energy and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.

What are peers, upstreams, and prefixes useful for on the AS21896 page?

They help explain the scale, interconnection depth, and route structure of AS21896. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.

What should you do after reviewing AS21896?

Open a concrete IP page to check how the address maps into AS21896, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.

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