Country
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ASN LANDING PAGE
AS203391
CLOUDNSNET Cloud DNS Ltd
Last updated · Jul 20, 2026
Total prefixes
12
IPv4 prefixes
8
IPv6 prefixes
4
ASN summary
How to read the scale of AS203391
CLOUDNSNET Cloud DNS Ltd currently reports 12 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?
CLOUDNSNET Cloud DNS Ltd 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 AS203391 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
AS203391 ASN lookupAS203391 BGPAS203391 peersAS203391 prefixesAS203391 upstreamsCLOUDNSNET Cloud DNS Ltd ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Detailed data for this ASN is not available right now.
Peers
AS25369
AS25369
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AS60068
AS60068
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AS20473
AS20473
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AS43350
AS43350
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AS63023
AS63023
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AS60798
AS60798
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AS22356
AS22356
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AS37153
AS37153
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AS38001
AS38001
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AS40994
AS40994
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AS12310
AS12310
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AS56655
AS56655
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AS59432
AS59432
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AS15497
AS15497
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AS42632
AS42632
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AS52025
AS52025
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AS136557
AS136557
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AS394177
AS394177
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AS39384
AS39384
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AS8728
AS8728
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AS9678
AS9678
—
AS30823
AS30823
—
AS263702
AS263702
—
AS835
AS835
—
AS42708
AS42708
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AS62563
AS62563
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AS132335
AS132335
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AS201814
AS201814
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AS263812
AS263812
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AS397423
AS397423
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AS1257
AS1257
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AS3214
AS3214
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AS8280
AS8280
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AS8860
AS8860
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AS13004
AS13004
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AS15958
AS15958
—
AS42910
AS42910
—
AS44901
AS44901
—
AS48678
AS48678
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AS54527
AS54527
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.136.96.0/24 | AS203391 | — |
| 185.136.97.0/24 | AS203391 | — |
| 185.136.98.0/24 | AS203391 | — |
| 185.136.99.0/24 | AS203391 | — |
| 2a06:fb00:1::/48 | AS203391 | — |
| 2a06:fb00:2::/48 | AS203391 | — |
| 2a06:fb00:3::/48 | AS203391 | — |
| 2a06:fb00:4::/48 | AS203391 | — |
| 45.83.248.0/24 | AS203391 | — |
| 45.83.249.0/24 | AS203391 | — |
| 45.83.250.0/24 | AS203391 | — |
| 45.83.251.0/24 | AS203391 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS203391 represent?
AS203391 is an autonomous system number. The current source associates it with CLOUDNSNET Cloud DNS Ltd 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 AS203391 page?
They help explain the scale, interconnection depth, and route structure of AS203391. 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 AS203391?
Open a concrete IP page to check how the address maps into AS203391, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
Public DNS vs CDN and Anycast Guide
Explain the role differences in Public DNS vs CDN and Anycast and show exactly how far public IP, ASN, and BGP evidence can support the comparison.
Public DNS IP and Network Comparison
Compare common public resolvers by IP, Geo estimate, ISP, ASN, and BGP prefix, with clear limits for each public field.
Public DNS vs Security DNS Guide
Explain the role differences in Public DNS vs Security DNS and show exactly how far public IP, ASN, and BGP evidence can support the comparison.
Primary and Secondary Public DNS Resolver Guide
Compare the public resolver addresses, ASN, and BGP prefixes associated with Primary and Secondary Public DNS Resolver, then confirm address roles in current operator documentation.