Country
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ASN LANDING PAGE
AS203391
CLOUDNSNET - Cloud DNS Ltd
Last updated · Apr 4, 2026
Total prefixes
12
IPv4 prefixes
8
IPv6 prefixes
4
ASN summary
How to read the scale of AS203391
CLOUDNSNET - Cloud DNS Ltd currently shows 12 prefixes and 40 upstream, downstream, or peer relationships. Larger prefix inventories often indicate broader network footprint, but they should still be read together with country and peering context.
When is an ASN page most useful?
ASN landing pages are more useful than a single IP page when you want cloud provider attribution, routing research, infrastructure comparison, or network topology analysis at the organization level.
How should you read the country, organization, and role of AS203391?
CLOUDNSNET - Cloud DNS Ltd is currently associated with an unknown region. Country data is only a starting point; the more important signals are the organization name, website, prefix volume, and peering relationships that reveal whether the network behaves like a cloud platform, ISP, CDN, or enterprise backbone.
What should you inspect next after the AS203391 page?
This page is currently showing live ASN data that can be used for peer, prefix, and network scale analysis. The most useful next step is usually to return to a related IP landing page, then compare that concrete address with this ASN profile and with broader topic pages for routing, cloud attribution, or WHOIS ownership analysis.
Search intents this ASN page helps cover
AS203391 ASN lookupAS203391 BGPAS203391 peersAS203391 prefixesAS203391 upstreamsCLOUDNSNET - Cloud DNS Ltd ASNpublic DNS 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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AS30823
AS30823
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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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AS40994
AS40994
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AS12310
AS12310
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AS38001
AS38001
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AS59432
AS59432
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AS42632
AS42632
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AS56655
AS56655
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AS136557
AS136557
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AS15497
AS15497
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AS52025
AS52025
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AS39384
AS39384
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AS8728
AS8728
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AS263702
AS263702
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AS394177
AS394177
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AS42708
AS42708
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AS62563
AS62563
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AS132335
AS132335
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AS263812
AS263812
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AS397423
AS397423
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AS835
AS835
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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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AS9678
AS9678
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AS13004
AS13004
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AS15958
AS15958
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AS29049
AS29049
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AS42910
AS42910
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AS44901
AS44901
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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
WHOIS vs ASN Ownership Guide
Continue from this ASN into the differences between WHOIS ownership and ASN ownership.
Routing Troubleshooting and Network Analysis
Continue from this ASN into route troubleshooting and network analysis.
Cloud Network and ASN Comparison
Useful when you want to compare this ASN against larger cloud and edge networks.
WHOIS and IP Ownership Guide
Continue from the ASN page into WHOIS and ownership verification.
Frequently asked questions about this ASN page
What does AS203391 represent?
AS203391 is an autonomous system number used to identify an independently operated network. The current page associates it with CLOUDNSNET - Cloud DNS Ltd in an unknown region, which helps determine whether it behaves like a cloud provider, ISP, CDN, or enterprise backbone.
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?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS203391, then continue into cloud, WHOIS, or routing topic pages to understand the network in a broader context.
Related topics
WHOIS vs ASN Ownership Guide
Understand why WHOIS ownership and ASN ownership can differ, and how to combine both when deciding who really owns or operates an IP.
WHOIS and IP Ownership Guide
Use WHOIS, ASN, prefixes, and organization data to determine who ultimately owns an IP, range, or resolved domain target.
BGP and ASN Basics Guide
Learn what ASN, BGP routes, prefixes, upstreams, downstreams, and peers mean, then explore real ASN pages.
Cloud Network and ASN Comparison
Compare large cloud and edge networks such as Google, Cloudflare, Microsoft, and Amazon through their ASN landing pages.