Country
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ASN LANDING PAGE
AS28521
AS28521 - AT&T COMUNICACIONES DIGITALES S DE RL
Last updated · Jul 20, 2026
Total prefixes
2
IPv4 prefixes
2
IPv6 prefixes
0
ASN summary
How to read the scale of AS28521
AS28521 - AT&T COMUNICACIONES DIGITALES S DE RL currently reports 2 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?
AS28521 - AT&T COMUNICACIONES DIGITALES S DE RL 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 AS28521 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
AS28521 ASN lookupAS28521 BGPAS28521 peersAS28521 prefixesAS28521 upstreamsAS28521 - AT&T COMUNICACIONES DIGITALES S DE RL ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Detailed data for this ASN is not available right now.
Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 201.130.56.0/23 | AS28521 | — |
| 201.130.56.0/24 | AS28521 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS28521 represent?
AS28521 is an autonomous system number. The current source associates it with AS28521 - AT&T COMUNICACIONES DIGITALES S DE RL 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 AS28521 page?
They help explain the scale, interconnection depth, and route structure of AS28521. 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 AS28521?
Open a concrete IP page to check how the address maps into AS28521, 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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