Country
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ASN LANDING PAGE
AS6661
EPT-LU - POST Luxembourg
Last updated · Apr 4, 2026
Total prefixes
20
IPv4 prefixes
19
IPv6 prefixes
1
ASN summary
How to read the scale of AS6661
EPT-LU - POST Luxembourg currently shows 20 prefixes and 78 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 AS6661?
EPT-LU - POST Luxembourg 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 AS6661 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
AS6661 ASN lookupAS6661 BGPAS6661 peersAS6661 prefixesAS6661 upstreamsEPT-LU - POST Luxembourg ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS206610
AS206610
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AS24611
AS24611
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AS209847
AS209847
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AS198095
AS198095
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AS201973
AS201973
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AS199245
AS199245
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AS208414
AS208414
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AS213785
AS213785
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AS203143
AS203143
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AS211018
AS211018
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AS202438
AS202438
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AS11245
AS11245
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AS44708
AS44708
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AS8883
AS8883
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AS200102
AS200102
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AS60752
AS60752
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AS34683
AS34683
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AS211719
AS211719
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AS214204
AS214204
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AS44295
AS44295
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AS47944
AS47944
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AS20501
AS20501
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AS210145
AS210145
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AS43719
AS43719
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AS200129
AS200129
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AS15814
AS15814
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AS47137
AS47137
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AS204803
AS204803
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AS35044
AS35044
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AS203914
AS203914
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AS57205
AS57205
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AS212630
AS212630
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AS2602
AS2602
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AS198290
AS198290
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AS25094
AS25094
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AS211999
AS211999
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AS204299
AS204299
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AS9008
AS9008
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Peers
AS6939
AS6939
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AS5511
AS5511
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AS34549
AS34549
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AS6461
AS6461
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AS5405
AS5405
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AS8455
AS8455
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AS8298
AS8298
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AS6057
AS6057
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AS13030
AS13030
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AS34177
AS34177
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AS3214
AS3214
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AS35280
AS35280
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AS34019
AS34019
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AS34927
AS34927
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AS50673
AS50673
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AS50304
AS50304
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AS29632
AS29632
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AS50629
AS50629
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AS24482
AS24482
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AS48185
AS48185
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AS6667
AS6667
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AS8426
AS8426
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AS12859
AS12859
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AS50300
AS50300
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AS8218
AS8218
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AS31510
AS31510
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AS39122
AS39122
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AS553
AS553
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AS680
AS680
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AS1828
AS1828
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AS6424
AS6424
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AS8529
AS8529
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AS14630
AS14630
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AS25220
AS25220
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AS29140
AS29140
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AS48070
AS48070
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AS51185
AS51185
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AS51873
AS51873
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AS199938
AS199938
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AS271253
AS271253
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 107.183.0.0/17 | AS6661 | — |
| 146.0.128.0/18 | AS6661 | — |
| 146.0.212.0/22 | AS6661 | — |
| 146.0.216.0/21 | AS6661 | — |
| 178.254.64.0/18 | AS6661 | — |
| 185.104.108.0/22 | AS6661 | — |
| 188.115.0.0/18 | AS6661 | — |
| 193.168.10.0/23 | AS6661 | — |
| 193.168.14.0/23 | AS6661 | — |
| 194.154.192.0/19 | AS6661 | — |
| 194.154.213.0/24 | AS6661 | — |
| 195.46.224.0/19 | AS6661 | — |
| 2001:7e8::/32 | AS6661 | — |
| 213.135.224.0/19 | AS6661 | — |
| 213.166.32.0/19 | AS6661 | — |
| 37.157.152.0/21 | AS6661 | — |
| 78.141.128.0/18 | AS6661 | — |
| 83.99.0.0/17 | AS6661 | — |
| 87.240.192.0/18 | AS6661 | — |
| 88.207.128.0/17 | AS6661 | — |
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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 AS6661 represent?
AS6661 is an autonomous system number used to identify an independently operated network. The current page associates it with EPT-LU - POST Luxembourg 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 AS6661 page?
They help explain the scale, interconnection depth, and route structure of AS6661. 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 AS6661?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS6661, 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.