Country
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ASN LANDING PAGE
AS31477
DUOCAST-AS - Duocast B.V.
Last updated · Apr 4, 2026
Total prefixes
55
IPv4 prefixes
44
IPv6 prefixes
11
ASN summary
How to read the scale of AS31477
DUOCAST-AS - Duocast B.V. currently shows 55 prefixes and 52 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 AS31477?
DUOCAST-AS - Duocast B.V. 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 AS31477 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
AS31477 ASN lookupAS31477 BGPAS31477 peersAS31477 prefixesAS31477 upstreamsDUOCAST-AS - Duocast B.V. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS1299
AS1299
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AS2914
AS2914
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AS50673
AS50673
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AS6939
AS6939
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AS13030
AS13030
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AS8218
AS8218
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AS3214
AS3214
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AS5405
AS5405
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AS33891
AS33891
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AS14907
AS14907
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AS20764
AS20764
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AS4637
AS4637
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AS25091
AS25091
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AS49434
AS49434
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AS50629
AS50629
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AS8298
AS8298
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AS29632
AS29632
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AS34019
AS34019
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AS34927
AS34927
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AS39351
AS39351
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AS15576
AS15576
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AS58299
AS58299
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AS37100
AS37100
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AS25160
AS25160
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AS48362
AS48362
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AS12637
AS12637
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AS29075
AS29075
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AS34177
AS34177
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AS37468
AS37468
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AS6057
AS6057
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AS24482
AS24482
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AS1267
AS1267
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AS6696
AS6696
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AS8283
AS8283
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AS12779
AS12779
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AS50763
AS50763
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AS62167
AS62167
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AS137409
AS137409
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AS205206
AS205206
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AS3333
AS3333
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.134.65.0/24 | AS31477 | — |
| 185.180.96.0/22 | AS31477 | — |
| 185.180.96.0/24 | AS31477 | — |
| 185.80.245.0/24 | AS31477 | — |
| 185.80.246.0/24 | AS31477 | — |
| 193.138.248.0/22 | AS31477 | — |
| 193.138.248.0/24 | AS31477 | — |
| 193.138.250.0/24 | AS31477 | — |
| 193.164.144.0/24 | AS31477 | — |
| 193.177.163.0/24 | AS31477 | — |
| 193.200.178.0/24 | AS31477 | — |
| 193.202.109.0/24 | AS31477 | — |
| 193.222.137.0/24 | AS31477 | — |
| 193.9.23.0/24 | AS31477 | — |
| 194.13.12.0/23 | AS31477 | — |
| 194.13.14.0/24 | AS31477 | — |
| 194.13.8.0/22 | AS31477 | — |
| 194.13.8.0/24 | AS31477 | — |
| 195.137.165.0/24 | AS31477 | — |
| 195.137.169.0/24 | AS31477 | — |
| 2001:678:750::/48 | AS31477 | — |
| 2001:678:d0c::/48 | AS31477 | — |
| 2001:67c:6b8::/48 | AS31477 | — |
| 2a00:70c0::/48 | AS31477 | — |
| 2a01:1b0::/32 | AS31477 | — |
| 2a01:1b2::/32 | AS31477 | — |
| 2a07:3501:1020::/48 | AS31477 | — |
| 2a07:3505:80::/44 | AS31477 | — |
| 2a07:3505:81::/48 | AS31477 | — |
| 2a0b:6d80::/29 | AS31477 | — |
| 2a0e:7280::/29 | AS31477 | — |
| 37.9.160.0/21 | AS31477 | — |
| 45.82.188.0/22 | AS31477 | — |
| 82.150.139.0/24 | AS31477 | — |
| 83.137.144.0/21 | AS31477 | — |
| 83.137.146.0/24 | AS31477 | — |
| 83.137.151.0/24 | AS31477 | — |
| 87.238.168.0/21 | AS31477 | — |
| 87.238.171.0/24 | AS31477 | — |
| 89.188.0.0/19 | AS31477 | — |
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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 AS31477 represent?
AS31477 is an autonomous system number used to identify an independently operated network. The current page associates it with DUOCAST-AS - Duocast B.V. 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 AS31477 page?
They help explain the scale, interconnection depth, and route structure of AS31477. 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 AS31477?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS31477, 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.