Country
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ASN LANDING PAGE
AS51517
AS-ORANJEKOEK - Arend Brouwer
Last updated · Apr 4, 2026
Total prefixes
3
IPv4 prefixes
2
IPv6 prefixes
1
ASN summary
How to read the scale of AS51517
AS-ORANJEKOEK - Arend Brouwer currently shows 3 prefixes and 28 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 AS51517?
AS-ORANJEKOEK - Arend Brouwer 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 AS51517 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
AS51517 ASN lookupAS51517 BGPAS51517 peersAS51517 prefixesAS51517 upstreamsAS-ORANJEKOEK - Arend Brouwer ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Detailed data for this ASN is not available right now.
Peers
AS44854
AS44854
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AS28685
AS28685
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AS6939
AS6939
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AS5405
AS5405
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AS20764
AS20764
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AS34019
AS34019
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AS1103
AS1103
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AS8298
AS8298
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AS3399
AS3399
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AS6204
AS6204
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AS8283
AS8283
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AS12859
AS12859
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AS24482
AS24482
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AS34927
AS34927
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AS35360
AS35360
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AS37721
AS37721
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AS39122
AS39122
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AS39351
AS39351
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AS41666
AS41666
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AS49544
AS49544
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AS50629
AS50629
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AS50869
AS50869
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AS58299
AS58299
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AS60326
AS60326
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AS137409
AS137409
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AS199524
AS199524
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AS209823
AS209823
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AS212635
AS212635
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.219.6.0/24 | AS51517 | — |
| 2a10:e300::/32 | AS51517 | — |
| 91.217.208.0/24 | AS51517 | — |
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AS8075 · Microsoft
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AS16509 · Amazon
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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 AS51517 represent?
AS51517 is an autonomous system number used to identify an independently operated network. The current page associates it with AS-ORANJEKOEK - Arend Brouwer 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 AS51517 page?
They help explain the scale, interconnection depth, and route structure of AS51517. 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 AS51517?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS51517, 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.