Country
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ASN LANDING PAGE
AS51531
DECIX-MGMT-AS - DE-CIX Management GmbH
Last updated · Apr 4, 2026
Total prefixes
11
IPv4 prefixes
7
IPv6 prefixes
4
ASN summary
How to read the scale of AS51531
DECIX-MGMT-AS - DE-CIX Management GmbH currently shows 11 prefixes and 43 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 AS51531?
DECIX-MGMT-AS - DE-CIX Management GmbH 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 AS51531 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
AS51531 ASN lookupAS51531 BGPAS51531 peersAS51531 prefixesAS51531 upstreamsDECIX-MGMT-AS - DE-CIX Management GmbH ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS6939
AS6939
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AS33891
AS33891
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AS1299
AS1299
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AS13101
AS13101
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AS29632
AS29632
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AS34549
AS34549
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AS3320
AS3320
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AS5405
AS5405
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AS6057
AS6057
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AS9002
AS9002
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AS14840
AS14840
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AS34019
AS34019
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AS34177
AS34177
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AS35625
AS35625
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AS37468
AS37468
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AS48362
AS48362
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AS553
AS553
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AS559
AS559
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AS680
AS680
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AS971
AS971
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AS1764
AS1764
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AS1828
AS1828
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AS3214
AS3214
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AS4230
AS4230
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AS6204
AS6204
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AS6424
AS6424
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AS8218
AS8218
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AS8298
AS8298
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AS8529
AS8529
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AS8758
AS8758
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AS12779
AS12779
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AS13030
AS13030
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AS13237
AS13237
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AS14630
AS14630
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AS14907
AS14907
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AS17639
AS17639
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AS19151
AS19151
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AS20485
AS20485
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AS20932
AS20932
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AS22652
AS22652
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.70.20.0/22 | AS51531 | — |
| 2001:67c:4::/48 | AS51531 | — |
| 2a02:c50:6000::/35 | AS51531 | — |
| 2a02:c50:8000::/33 | AS51531 | — |
| 2a02:c50::/34 | AS51531 | — |
| 45.129.80.0/22 | AS51531 | — |
| 45.159.240.0/22 | AS51531 | — |
| 46.31.120.0/21 | AS51531 | — |
| 81.89.89.0/24 | AS51531 | — |
| 81.89.90.0/23 | AS51531 | — |
| 81.89.92.0/22 | AS51531 | — |
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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 AS51531 represent?
AS51531 is an autonomous system number used to identify an independently operated network. The current page associates it with DECIX-MGMT-AS - DE-CIX Management GmbH 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 AS51531 page?
They help explain the scale, interconnection depth, and route structure of AS51531. 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 AS51531?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS51531, 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.