Country
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ASN LANDING PAGE
AS39642
Norlys-Fibernet Sinal A/S
Last updated · Apr 10, 2026
Total prefixes
50
IPv4 prefixes
41
IPv6 prefixes
9
ASN summary
How to read the scale of AS39642
Norlys-Fibernet Sinal A/S currently shows 50 prefixes and 58 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 AS39642?
Norlys-Fibernet Sinal A/S 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 AS39642 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
AS39642 ASN lookupAS39642 BGPAS39642 peersAS39642 prefixesAS39642 upstreamsNorlys-Fibernet Sinal A/S ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS6939
AS6939
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AS3356
AS3356
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AS1299
AS1299
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AS6461
AS6461
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AS34549
AS34549
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AS34019
AS34019
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AS20764
AS20764
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AS50673
AS50673
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AS25091
AS25091
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AS35625
AS35625
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AS5405
AS5405
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AS8298
AS8298
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AS8758
AS8758
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AS34177
AS34177
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AS6057
AS6057
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AS29691
AS29691
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AS6696
AS6696
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AS41327
AS41327
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AS24961
AS24961
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AS35280
AS35280
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AS12779
AS12779
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AS60068
AS60068
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AS137409
AS137409
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AS8455
AS8455
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AS8218
AS8218
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AS48362
AS48362
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AS199524
AS199524
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AS58299
AS58299
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AS1140
AS1140
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AS3399
AS3399
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AS14907
AS14907
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AS24482
AS24482
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AS29075
AS29075
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AS34927
AS34927
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AS41666
AS41666
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AS42541
AS42541
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AS50304
AS50304
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AS20932
AS20932
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AS51519
AS51519
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AS64475
AS64475
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 139.45.0.0/17 | AS39642 | — |
| 178.132.224.0/20 | AS39642 | — |
| 178.155.128.0/17 | AS39642 | — |
| 178.157.192.0/18 | AS39642 | — |
| 178.21.88.0/21 | AS39642 | — |
| 185.101.88.0/22 | AS39642 | — |
| 185.108.127.0/24 | AS39642 | — |
| 185.17.216.0/22 | AS39642 | — |
| 185.188.20.0/22 | AS39642 | — |
| 185.22.72.0/22 | AS39642 | — |
| 185.37.84.0/22 | AS39642 | — |
| 185.5.164.0/22 | AS39642 | — |
| 185.59.114.0/23 | AS39642 | — |
| 188.114.128.0/18 | AS39642 | — |
| 212.10.0.0/16 | AS39642 | — |
| 212.112.128.0/19 | AS39642 | — |
| 212.37.128.0/19 | AS39642 | — |
| 217.198.208.0/20 | AS39642 | — |
| 2a00:1b70::/29 | AS39642 | — |
| 2a00:1b70::/32 | AS39642 | — |
| 2a00:1f98::/29 | AS39642 | — |
| 2a02:25c8::/29 | AS39642 | — |
| 2a02:2b98::/32 | AS39642 | — |
| 2a02:6940::/32 | AS39642 | — |
| 2a03:7400::/29 | AS39642 | — |
| 2a03:7400::/32 | AS39642 | — |
| 2a0c:63c0::/48 | AS39642 | — |
| 31.185.64.0/19 | AS39642 | — |
| 37.128.208.0/20 | AS39642 | — |
| 37.75.160.0/19 | AS39642 | — |
| 45.14.140.0/22 | AS39642 | — |
| 45.80.92.0/22 | AS39642 | — |
| 46.32.32.0/19 | AS39642 | — |
| 5.206.192.0/21 | AS39642 | — |
| 62.107.0.0/16 | AS39642 | — |
| 77.68.128.0/17 | AS39642 | — |
| 78.156.96.0/19 | AS39642 | — |
| 78.157.96.0/19 | AS39642 | — |
| 78.24.202.0/24 | AS39642 | — |
| 83.137.120.0/21 | AS39642 | — |
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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 AS39642 represent?
AS39642 is an autonomous system number used to identify an independently operated network. The current page associates it with Norlys-Fibernet Sinal A/S 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 AS39642 page?
They help explain the scale, interconnection depth, and route structure of AS39642. 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 AS39642?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS39642, 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.