Country
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ASN LANDING PAGE
AS42845
BRETAGNETELECOM - BLUE SAS
Last updated · Apr 4, 2026
Total prefixes
43
IPv4 prefixes
42
IPv6 prefixes
1
ASN summary
How to read the scale of AS42845
BRETAGNETELECOM - BLUE SAS currently shows 43 prefixes and 46 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 AS42845?
BRETAGNETELECOM - BLUE SAS 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 AS42845 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
AS42845 ASN lookupAS42845 BGPAS42845 peersAS42845 prefixesAS42845 upstreamsBRETAGNETELECOM - BLUE SAS ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS174
AS174
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AS3257
AS3257
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AS6939
AS6939
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AS6762
AS6762
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AS9002
AS9002
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AS20764
AS20764
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AS8220
AS8220
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AS8298
AS8298
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AS25091
AS25091
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AS35280
AS35280
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AS6057
AS6057
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AS12779
AS12779
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AS34177
AS34177
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AS39351
AS39351
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AS41327
AS41327
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AS9304
AS9304
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AS1828
AS1828
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AS24482
AS24482
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AS25160
AS25160
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AS29075
AS29075
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AS34927
AS34927
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AS35426
AS35426
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AS35600
AS35600
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AS49434
AS49434
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AS50628
AS50628
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AS58308
AS58308
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AS198385
AS198385
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AS286
AS286
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AS2027
AS2027
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AS4455
AS4455
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AS6758
AS6758
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AS13237
AS13237
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AS15547
AS15547
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AS16347
AS16347
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AS20562
AS20562
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AS34019
AS34019
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AS34288
AS34288
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AS36236
AS36236
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AS37721
AS37721
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AS44097
AS44097
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 149.255.48.0/21 | AS42845 | — |
| 185.135.124.0/22 | AS42845 | — |
| 185.185.116.0/22 | AS42845 | — |
| 185.232.224.0/22 | AS42845 | — |
| 185.40.224.0/22 | AS42845 | — |
| 185.87.92.0/22 | AS42845 | — |
| 185.87.92.0/24 | AS42845 | — |
| 185.87.93.0/24 | AS42845 | — |
| 185.87.94.0/24 | AS42845 | — |
| 185.87.95.0/24 | AS42845 | — |
| 193.104.205.0/24 | AS42845 | — |
| 193.28.233.0/24 | AS42845 | — |
| 194.150.92.0/22 | AS42845 | — |
| 2a00:7200::/32 | AS42845 | — |
| 37.157.224.0/21 | AS42845 | — |
| 37.157.224.0/24 | AS42845 | — |
| 37.157.225.0/24 | AS42845 | — |
| 37.157.226.0/24 | AS42845 | — |
| 37.157.227.0/24 | AS42845 | — |
| 37.157.228.0/24 | AS42845 | — |
| 37.157.229.0/24 | AS42845 | — |
| 37.157.230.0/24 | AS42845 | — |
| 37.157.231.0/24 | AS42845 | — |
| 45.137.144.0/22 | AS42845 | — |
| 77.74.208.0/21 | AS42845 | — |
| 77.74.208.0/24 | AS42845 | — |
| 77.74.209.0/24 | AS42845 | — |
| 77.74.210.0/24 | AS42845 | — |
| 77.74.211.0/24 | AS42845 | — |
| 77.74.212.0/24 | AS42845 | — |
| 77.74.213.0/24 | AS42845 | — |
| 77.74.214.0/24 | AS42845 | — |
| 77.74.215.0/24 | AS42845 | — |
| 89.46.96.0/22 | AS42845 | — |
| 95.128.144.0/21 | AS42845 | — |
| 95.128.144.0/24 | AS42845 | — |
| 95.128.145.0/24 | AS42845 | — |
| 95.128.146.0/24 | AS42845 | — |
| 95.128.147.0/24 | AS42845 | — |
| 95.128.148.0/24 | AS42845 | — |
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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 AS42845 represent?
AS42845 is an autonomous system number used to identify an independently operated network. The current page associates it with BRETAGNETELECOM - BLUE SAS 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 AS42845 page?
They help explain the scale, interconnection depth, and route structure of AS42845. 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 AS42845?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS42845, 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.