Country
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ASN LANDING PAGE
AS25581
GMG - GMG AG
Last updated · Apr 4, 2026
Total prefixes
9
IPv4 prefixes
7
IPv6 prefixes
2
ASN summary
How to read the scale of AS25581
GMG - GMG AG currently shows 9 prefixes and 40 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 AS25581?
GMG - GMG AG 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 AS25581 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
AS25581 ASN lookupAS25581 BGPAS25581 peersAS25581 prefixesAS25581 upstreamsGMG - GMG AG ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Detailed data for this ASN is not available right now.
Peers
AS3303
AS3303
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AS12387
AS12387
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AS3356
AS3356
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AS58115
AS58115
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AS6939
AS6939
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AS13030
AS13030
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AS34019
AS34019
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AS5405
AS5405
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AS8218
AS8218
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AS8758
AS8758
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AS24961
AS24961
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AS553
AS553
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AS559
AS559
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AS1764
AS1764
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AS1836
AS1836
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AS8298
AS8298
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AS9044
AS9044
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AS12307
AS12307
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AS13237
AS13237
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AS15623
AS15623
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AS20612
AS20612
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AS20932
AS20932
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AS21232
AS21232
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AS24482
AS24482
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AS25091
AS25091
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AS29075
AS29075
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AS29222
AS29222
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AS29691
AS29691
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AS34177
AS34177
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AS34288
AS34288
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AS35360
AS35360
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AS36236
AS36236
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AS39351
AS39351
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AS47147
AS47147
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AS48362
AS48362
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AS49432
AS49432
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AS49544
AS49544
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AS51873
AS51873
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AS56987
AS56987
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AS57777
AS57777
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.170.216.0/21 | AS25581 | — |
| 185.34.148.0/22 | AS25581 | — |
| 185.34.149.0/24 | AS25581 | — |
| 2a00:da60::/32 | AS25581 | — |
| 2a00:da60:b01::/48 | AS25581 | — |
| 45.81.12.0/22 | AS25581 | — |
| 45.90.8.0/23 | AS25581 | — |
| 91.207.130.0/23 | AS25581 | — |
| 91.224.94.0/23 | AS25581 | — |
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AS16509 · Amazon
A useful ASN landing page for understanding AWS and large cloud-network ownership.
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 AS25581 represent?
AS25581 is an autonomous system number used to identify an independently operated network. The current page associates it with GMG - GMG AG 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 AS25581 page?
They help explain the scale, interconnection depth, and route structure of AS25581. 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 AS25581?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS25581, 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.