Country
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ASN LANDING PAGE
AS274743
AS274743 - FASTWEB TELECOMUNICACOES
Last updated · Jul 20, 2026
Total prefixes
10
IPv4 prefixes
3
IPv6 prefixes
7
ASN summary
How to read the scale of AS274743
AS274743 - FASTWEB TELECOMUNICACOES currently reports 10 prefixes and 22 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?
AS274743 - FASTWEB TELECOMUNICACOES 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 AS274743 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
AS274743 ASN lookupAS274743 BGPAS274743 peersAS274743 prefixesAS274743 upstreamsAS274743 - FASTWEB TELECOMUNICACOES ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Detailed data for this ASN is not available right now.
Peers
AS28649
AS28649
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AS52468
AS52468
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AS137409
AS137409
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AS6057
AS6057
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AS14840
AS14840
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AS22548
AS22548
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AS24482
AS24482
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AS28624
AS28624
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AS28634
AS28634
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AS35280
AS35280
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AS36236
AS36236
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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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AS198150
AS198150
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AS199524
AS199524
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AS262427
AS262427
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AS263152
AS263152
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AS263237
AS263237
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AS264479
AS264479
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AS271253
AS271253
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 186.251.212.0/23 | AS274743 | — |
| 186.251.212.0/24 | AS274743 | — |
| 186.251.213.0/24 | AS274743 | — |
| 2804:92ec:4000::/34 | AS274743 | — |
| 2804:92ec:8000::/33 | AS274743 | — |
| 2804:92ec:8000::/34 | AS274743 | — |
| 2804:92ec::/32 | AS274743 | — |
| 2804:92ec::/33 | AS274743 | — |
| 2804:92ec::/34 | AS274743 | — |
| 2804:92ec:c000::/34 | AS274743 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS274743 represent?
AS274743 is an autonomous system number. The current source associates it with AS274743 - FASTWEB TELECOMUNICACOES 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 AS274743 page?
They help explain the scale, interconnection depth, and route structure of AS274743. 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 AS274743?
Open a concrete IP page to check how the address maps into AS274743, 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
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Routing Troubleshooting and Network Analysis
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Cloud Network and ASN Comparison
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