Country
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ASN LANDING PAGE
AS28571
AS28571 - UNIVERSIDADE DE SAO PAULO
Last updated · Jul 20, 2026
Total prefixes
57
IPv4 prefixes
48
IPv6 prefixes
9
ASN summary
How to read the scale of AS28571
AS28571 - UNIVERSIDADE DE SAO PAULO currently reports 57 prefixes and 28 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?
AS28571 - UNIVERSIDADE DE SAO PAULO 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 AS28571 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
AS28571 ASN lookupAS28571 BGPAS28571 peersAS28571 prefixesAS28571 upstreamsAS28571 - UNIVERSIDADE DE SAO PAULO ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Detailed data for this ASN is not available right now.
Peers
AS10429
AS10429
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AS61610
AS61610
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AS1916
AS1916
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AS6939
AS6939
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AS1251
AS1251
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AS35280
AS35280
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AS137409
AS137409
—
AS6057
AS6057
—
AS13786
AS13786
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AS14840
AS14840
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AS22548
AS22548
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AS24482
AS24482
—
AS28624
AS28624
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AS28634
AS28634
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AS36236
AS36236
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AS39120
AS39120
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AS51185
AS51185
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AS52873
AS52873
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AS60503
AS60503
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AS61573
AS61573
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AS61626
AS61626
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AS198150
AS198150
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AS199524
AS199524
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AS262427
AS262427
—
AS263152
AS263152
—
AS263237
AS263237
—
AS264479
AS264479
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AS271253
AS271253
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 143.107.0.0/16 | AS28571 | — |
| 143.107.14.0/24 | AS28571 | — |
| 143.107.154.0/24 | AS28571 | — |
| 143.107.178.0/23 | AS28571 | — |
| 143.107.248.0/24 | AS28571 | — |
| 143.107.252.0/24 | AS28571 | — |
| 143.107.253.0/24 | AS28571 | — |
| 143.107.254.0/24 | AS28571 | — |
| 143.107.27.0/24 | AS28571 | — |
| 143.107.3.0/24 | AS28571 | — |
| 143.107.44.0/23 | AS28571 | — |
| 143.107.64.0/24 | AS28571 | — |
| 143.107.8.0/24 | AS28571 | — |
| 143.107.84.0/23 | AS28571 | — |
| 143.107.86.0/24 | AS28571 | — |
| 143.107.88.0/24 | AS28571 | — |
| 177.90.128.0/17 | AS28571 | — |
| 177.90.32.0/19 | AS28571 | — |
| 177.90.64.0/18 | AS28571 | — |
| 200.136.0.0/20 | AS28571 | — |
| 200.136.49.0/24 | AS28571 | — |
| 200.136.52.0/23 | AS28571 | — |
| 200.136.54.0/24 | AS28571 | — |
| 200.144.160.0/19 | AS28571 | — |
| 200.144.180.0/23 | AS28571 | — |
| 200.144.182.0/23 | AS28571 | — |
| 200.144.184.0/21 | AS28571 | — |
| 200.144.192.0/18 | AS28571 | — |
| 200.144.212.0/24 | AS28571 | — |
| 200.144.234.0/23 | AS28571 | — |
| 200.144.236.0/24 | AS28571 | — |
| 200.144.237.0/24 | AS28571 | — |
| 200.144.238.0/24 | AS28571 | — |
| 200.144.239.0/24 | AS28571 | — |
| 200.144.244.0/22 | AS28571 | — |
| 200.144.248.0/24 | AS28571 | — |
| 200.144.249.0/24 | AS28571 | — |
| 200.144.250.0/23 | AS28571 | — |
| 200.144.252.0/23 | AS28571 | — |
| 200.144.254.0/23 | AS28571 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS28571 represent?
AS28571 is an autonomous system number. The current source associates it with AS28571 - UNIVERSIDADE DE SAO PAULO 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 AS28571 page?
They help explain the scale, interconnection depth, and route structure of AS28571. 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 AS28571?
Open a concrete IP page to check how the address maps into AS28571, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
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