Country
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ASN LANDING PAGE
AS680
DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Last updated · Apr 4, 2026
Total prefixes
315
IPv4 prefixes
291
IPv6 prefixes
24
ASN summary
How to read the scale of AS680
DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. currently shows 315 prefixes and 71 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 AS680?
DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.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 AS680 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
AS680 ASN lookupAS680 BGPAS680 peersAS680 prefixesAS680 upstreamsDFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS43066
AS43066
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AS12816
AS12816
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AS5501
AS5501
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AS5520
AS5520
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AS47610
AS47610
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AS200943
AS200943
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AS56357
AS56357
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AS41289
AS41289
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AS199578
AS199578
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AS1754
AS1754
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AS2117
AS2117
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AS8519
AS8519
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AS20588
AS20588
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AS31705
AS31705
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AS207611
AS207611
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AS210482
AS210482
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AS49234
AS49234
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AS60824
AS60824
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AS205046
AS205046
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AS34520
AS34520
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AS34878
AS34878
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AS29484
AS29484
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AS13040
AS13040
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AS20633
AS20633
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AS41969
AS41969
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AS207592
AS207592
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AS209499
AS209499
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AS6733
AS6733
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AS553
AS553
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AS12643
AS12643
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AS12654
AS12654
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Peers
AS2914
AS2914
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AS3356
AS3356
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AS6939
AS6939
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AS6461
AS6461
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AS1299
AS1299
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AS9002
AS9002
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AS20965
AS20965
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AS7195
AS7195
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AS3216
AS3216
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AS33891
AS33891
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AS8220
AS8220
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AS13335
AS13335
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AS5405
AS5405
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AS32787
AS32787
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AS8359
AS8359
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AS4134
AS4134
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AS8708
AS8708
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AS12741
AS12741
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AS13030
AS13030
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AS1828
AS1828
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AS31027
AS31027
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AS20562
AS20562
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AS20804
AS20804
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AS8218
AS8218
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AS12552
AS12552
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AS3303
AS3303
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AS8455
AS8455
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AS15830
AS15830
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AS8447
AS8447
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AS24961
AS24961
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AS31500
AS31500
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AS12874
AS12874
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AS50384
AS50384
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AS41327
AS41327
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AS29075
AS29075
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AS5400
AS5400
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AS702
AS702
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AS13237
AS13237
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AS20473
AS20473
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AS25091
AS25091
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 128.140.208.0/21 | AS680 | — |
| 128.176.0.0/16 | AS680 | — |
| 128.7.0.0/16 | AS680 | — |
| 129.217.0.0/16 | AS680 | — |
| 129.233.128.0/18 | AS680 | — |
| 129.233.210.0/24 | AS680 | — |
| 129.233.224.0/20 | AS680 | — |
| 129.247.0.0/16 | AS680 | — |
| 129.26.0.0/16 | AS680 | — |
| 129.70.0.0/16 | AS680 | — |
| 130.133.0.0/16 | AS680 | — |
| 130.149.0.0/16 | AS680 | — |
| 130.183.0.0/16 | AS680 | — |
| 130.73.0.0/16 | AS680 | — |
| 130.75.0.0/16 | AS680 | — |
| 131.173.0.0/16 | AS680 | — |
| 131.188.0.0/16 | AS680 | — |
| 131.220.0.0/16 | AS680 | — |
| 131.234.0.0/16 | AS680 | — |
| 132.176.0.0/16 | AS680 | — |
| 132.180.0.0/16 | AS680 | — |
| 132.187.0.0/16 | AS680 | — |
| 132.195.0.0/16 | AS680 | — |
| 132.199.0.0/16 | AS680 | — |
| 132.231.0.0/16 | AS680 | — |
| 132.252.0.0/16 | AS680 | — |
| 134.1.0.0/16 | AS680 | — |
| 134.100.0.0/16 | AS680 | — |
| 134.102.0.0/16 | AS680 | — |
| 134.104.0.0/16 | AS680 | — |
| 134.106.0.0/15 | AS680 | — |
| 134.106.0.0/16 | AS680 | — |
| 134.109.0.0/16 | AS680 | — |
| 134.110.0.0/16 | AS680 | — |
| 134.169.0.0/16 | AS680 | — |
| 134.176.0.0/16 | AS680 | — |
| 134.245.0.0/16 | AS680 | — |
| 134.28.0.0/16 | AS680 | — |
| 134.30.0.0/16 | AS680 | — |
| 134.91.0.0/16 | AS680 | — |
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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 AS680 represent?
AS680 is an autonomous system number used to identify an independently operated network. The current page associates it with DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.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 AS680 page?
They help explain the scale, interconnection depth, and route structure of AS680. 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 AS680?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS680, 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.