Country
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ASN LANDING PAGE
AS203472
POEMA-AS-EU PENG YUJEN
Last updated · Jul 20, 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 reports 9 prefixes and 41 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?
POEMA-AS-EU PENG YUJEN 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 AS203472 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
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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AS207705
AS207705
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AS44324
AS44324
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AS204463
AS204463
—
AS40929
AS40929
—
AS138435
AS138435
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AS211358
AS211358
—
AS12198
AS12198
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AS22915
AS22915
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AS23347
AS23347
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AS26533
AS26533
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AS39753
AS39753
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AS52112
AS52112
—
AS60326
AS60326
—
AS60900
AS60900
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AS62246
AS62246
—
AS62787
AS62787
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AS138401
AS138401
—
AS142281
AS142281
—
AS150184
AS150184
—
AS199518
AS199518
—
AS199594
AS199594
—
AS200078
AS200078
—
AS200326
AS200326
—
AS201398
AS201398
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AS201541
AS201541
—
AS202335
AS202335
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AS202881
AS202881
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AS203236
AS203236
—
AS204508
AS204508
—
AS205008
AS205008
—
AS207530
AS207530
—
AS208694
AS208694
—
AS208753
AS208753
—
AS209552
AS209552
—
AS209554
AS209554
—
AS210445
AS210445
—
AS210632
AS210632
—
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
Frequently asked questions about this ASN page
What does AS203472 represent?
AS203472 is an autonomous system number. The current source associates it with POEMA-AS-EU PENG YUJEN 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 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?
Open a concrete IP page to check how the address maps into AS203472, 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
Use real IP and ASN pages to understand ASNs, BGP prefixes, peers, upstreams, and downstreams, including the limits of each snapshot.
Routing Troubleshooting and Network Analysis
Build troubleshooting context from an IP, BGP prefix, ASN, and public network relationships without treating static route data as a packet path.
Cloud Network and ASN Comparison
Compare representative cloud and edge networks by ASN, announced prefixes, peers, upstreams, and downstreams without inferring a specific host or customer workload.