Country
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ASN LANDING PAGE
AS39603
P4NET P4 Sp. z o.o.
Last updated · Jul 20, 2026
Total prefixes
20
IPv4 prefixes
19
IPv6 prefixes
1
ASN summary
How to read the scale of AS39603
P4NET P4 Sp. z o.o. currently reports 20 prefixes and 28 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?
P4NET P4 Sp. z o.o. 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 AS39603 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
AS39603 ASN lookupAS39603 BGPAS39603 peersAS39603 prefixesAS39603 upstreamsP4NET P4 Sp. z o.o. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS1299
AS1299
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AS174
AS174
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AS6939
AS6939
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AS3356
AS3356
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AS29314
AS29314
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AS9141
AS9141
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AS24115
AS24115
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AS50629
AS50629
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AS8218
AS8218
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AS24748
AS24748
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AS29632
AS29632
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AS137409
AS137409
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AS24482
AS24482
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AS34927
AS34927
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AS49434
AS49434
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AS35320
AS35320
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AS36236
AS36236
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AS49544
AS49544
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AS9009
AS9009
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AS13194
AS13194
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AS42295
AS42295
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AS60068
AS60068
—
AS201054
AS201054
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AS209823
AS209823
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AS6204
AS6204
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AS28917
AS28917
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 109.243.0.0/16 | AS39603 | — |
| 109.243.128.0/17 | AS39603 | — |
| 109.243.192.0/18 | AS39603 | — |
| 164.126.0.0/15 | AS39603 | — |
| 2a00:1981::/32 | AS39603 | — |
| 31.174.0.0/15 | AS39603 | — |
| 46.112.0.0/16 | AS39603 | — |
| 46.113.0.0/16 | AS39603 | — |
| 5.173.0.0/17 | AS39603 | — |
| 5.173.128.0/18 | AS39603 | — |
| 5.173.192.0/19 | AS39603 | — |
| 89.108.192.0/18 | AS39603 | — |
| 89.108.200.0/21 | AS39603 | — |
| 89.108.208.0/21 | AS39603 | — |
| 94.254.128.0/17 | AS39603 | — |
| 94.254.128.0/20 | AS39603 | — |
| 94.254.144.0/20 | AS39603 | — |
| 94.254.160.0/19 | AS39603 | — |
| 94.254.192.0/19 | AS39603 | — |
| 94.254.224.0/20 | AS39603 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS39603 represent?
AS39603 is an autonomous system number. The current source associates it with P4NET P4 Sp. z o.o. 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 AS39603 page?
They help explain the scale, interconnection depth, and route structure of AS39603. 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 AS39603?
Open a concrete IP page to check how the address maps into AS39603, 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.