ASN LANDING PAGE

AS20057

ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC

Last updated · Jul 20, 2026

Country

Total prefixes

1632

IPv4 prefixes

1471

IPv6 prefixes

161

ASN summary

How to read the scale of AS20057

ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC currently reports 1632 prefixes and 2 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?

ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC 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 AS20057 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

AS20057 ASN lookupAS20057 BGPAS20057 peersAS20057 prefixesAS20057 upstreamsATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC ASN

Upstreams

Detailed data for this ASN is not available right now.

Prefix inventory

PrefixNameCountry
107.106.0.0/18AS20057
107.106.128.0/18AS20057
107.106.192.0/18AS20057
107.106.64.0/18AS20057
107.107.0.0/18AS20057
107.107.128.0/18AS20057
107.107.184.0/22AS20057
107.107.188.0/22AS20057
107.107.192.0/18AS20057
107.107.56.0/22AS20057
107.107.60.0/22AS20057
107.107.64.0/18AS20057
107.112.215.0/24AS20057
107.118.0.0/19AS20057
107.118.100.0/22AS20057
107.118.104.0/21AS20057
107.118.114.0/23AS20057
107.118.120.0/21AS20057
107.118.128.0/18AS20057
107.118.128.0/22AS20057
107.118.132.0/22AS20057
107.118.136.0/21AS20057
107.118.144.0/21AS20057
107.118.152.0/21AS20057
107.118.160.0/19AS20057
107.118.18.0/24AS20057
107.118.192.0/18AS20057
107.118.192.0/19AS20057
107.118.2.0/23AS20057
107.118.22.0/24AS20057
107.118.224.0/19AS20057
107.118.25.0/24AS20057
107.118.28.0/22AS20057
107.118.32.0/19AS20057
107.118.36.0/22AS20057
107.118.40.0/21AS20057
107.118.49.0/24AS20057
107.118.6.0/23AS20057
107.118.64.0/19AS20057
107.118.8.0/21AS20057

Related ASN pages

Related lookups and next steps

Frequently asked questions about this ASN page

What does AS20057 represent?

AS20057 is an autonomous system number. The current source associates it with ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC 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 AS20057 page?

They help explain the scale, interconnection depth, and route structure of AS20057. 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 AS20057?

Open a concrete IP page to check how the address maps into AS20057, 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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