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 31 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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AS207705
AS207705
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AS139317
AS139317
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AS204463
AS204463
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AS211358
AS211358
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AS13334
AS13334
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AS22915
AS22915
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AS39753
AS39753
—
AS52112
AS52112
—
AS62787
AS62787
—
AS138401
AS138401
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AS199594
AS199594
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AS200078
AS200078
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AS202119
AS202119
—
AS205008
AS205008
—
AS207530
AS207530
—
AS207852
AS207852
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AS208694
AS208694
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AS209552
AS209552
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AS210825
AS210825
—
AS212034
AS212034
—
AS212085
AS212085
—
AS212591
AS212591
—
AS213124
AS213124
—
AS215899
AS215899
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AS216182
AS216182
—
AS218904
AS218904
—
AS219079
AS219079
—
AS400671
AS400671
—
AS402767
AS402767
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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
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.