Country
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ASN LANDING PAGE
AS203472
POEMA-AS-EU - PENG YUJEN
Last updated · Apr 4, 2026
Total prefixes
9
IPv4 prefixes
0
IPv6 prefixes
9
ASN summary
How to read the scale of AS203472
POEMA-AS-EU - PENG YUJEN currently shows 9 prefixes and 32 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 AS203472?
POEMA-AS-EU - PENG YUJEN 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 AS203472 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
AS203472 ASN lookupAS203472 BGPAS203472 peersAS203472 prefixesAS203472 upstreamsPOEMA-AS-EU - PENG YUJEN ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS7720
AS7720
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AS213605
AS213605
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AS139317
AS139317
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AS44324
AS44324
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AS207705
AS207705
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AS200536
AS200536
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AS212483
AS212483
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AS213262
AS213262
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AS12198
AS12198
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AS23347
AS23347
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AS40929
AS40929
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AS60326
AS60326
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AS60900
AS60900
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AS62246
AS62246
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AS138435
AS138435
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AS140731
AS140731
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AS142055
AS142055
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AS142281
AS142281
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AS150184
AS150184
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AS199594
AS199594
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AS202881
AS202881
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AS203236
AS203236
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AS204508
AS204508
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AS207852
AS207852
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AS209306
AS209306
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AS209554
AS209554
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AS210445
AS210445
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AS215750
AS215750
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AS215934
AS215934
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AS215956
AS215956
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AS216123
AS216123
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 2401:5a0:bbb0::/44 | AS203472 | — |
| 2401:5a0:bbbb::/48 | AS203472 | — |
| 2406:840:9840::/44 | AS203472 | — |
| 2602:feda:a80::/44 | AS203472 | — |
| 2a0e:8f02:f046::/48 | AS203472 | — |
| 2a0e:b107:2710::/44 | AS203472 | — |
| 2a0e:b107:2711::/48 | AS203472 | — |
| 2a0e:b107:2716::/48 | AS203472 | — |
| 2a12:3fc2:ddff::/48 | AS203472 | — |
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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 AS203472 represent?
AS203472 is an autonomous system number used to identify an independently operated network. The current page associates it with POEMA-AS-EU - PENG YUJEN 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 AS203472 page?
They help explain the scale, interconnection depth, and route structure of AS203472. 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 AS203472?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS203472, 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.