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ASN LANDING PAGE

AS57821

NONATTACHED-AS Nonattached Network e.V.

Last updated · Jul 20, 2026

Country

—

Total prefixes

2

IPv4 prefixes

1

IPv6 prefixes

1

ASN summary

How to read the scale of AS57821

NONATTACHED-AS Nonattached Network e.V. currently reports 2 prefixes and 40 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?

NONATTACHED-AS Nonattached Network e.V. 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 AS57821 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

AS57821 ASN lookupAS57821 BGPAS57821 peersAS57821 prefixesAS57821 upstreamsNONATTACHED-AS Nonattached Network e.V. ASN

Upstreams

Detailed data for this ASN is not available right now.

Downstreams

Detailed data for this ASN is not available right now.

Peers

AS12586

AS12586

—

AS6939

AS6939

—

AS57463

AS57463

—

AS24482

AS24482

—

AS25091

AS25091

—

AS58299

AS58299

—

AS41051

AS41051

—

AS52025

AS52025

—

AS25394

AS25394

—

AS29551

AS29551

—

AS8298

AS8298

—

AS13101

AS13101

—

AS8804

AS8804

—

AS31025

AS31025

—

AS22356

AS22356

—

AS29404

AS29404

—

AS57433

AS57433

—

AS59790

AS59790

—

AS25220

AS25220

—

AS39083

AS39083

—

AS207960

AS207960

—

AS12817

AS12817

—

AS14840

AS14840

—

AS47138

AS47138

—

AS51184

AS51184

—

AS59570

AS59570

—

AS60900

AS60900

—

AS61430

AS61430

—

AS211869

AS211869

—

AS212049

AS212049

—

AS213045

AS213045

—

AS213151

AS213151

—

AS6774

AS6774

—

AS9498

AS9498

—

AS12759

AS12759

—

AS13335

AS13335

—

AS20886

AS20886

—

AS31396

AS31396

—

AS31572

AS31572

—

AS34800

AS34800

—

Prefix inventory

PrefixNameCountry
193.160.39.0/24AS57821—
2001:67c:26f4::/48AS57821—

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Related lookups and next steps

Frequently asked questions about this ASN page

What does AS57821 represent?

AS57821 is an autonomous system number. The current source associates it with NONATTACHED-AS Nonattached Network e.V. 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 AS57821 page?

They help explain the scale, interconnection depth, and route structure of AS57821. 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 AS57821?

Open a concrete IP page to check how the address maps into AS57821, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.

Related topics

BGP and ASN Basics Guide

Use real IP and ASN pages to understand ASNs, BGP prefixes, peers, upstreams, and downstreams, including the limits of each snapshot.

Routing Troubleshooting and Network Analysis

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Cloud Network and ASN Comparison

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