Country
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ASN LANDING PAGE
AS20559
FUNDAMENTS-AS Fundaments B.V.
Last updated · Jul 20, 2026
Total prefixes
38
IPv4 prefixes
31
IPv6 prefixes
7
ASN summary
How to read the scale of AS20559
FUNDAMENTS-AS Fundaments B.V. currently reports 38 prefixes and 41 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.
What can an ASN page answer?
An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.
How should you read the organization and region fields?
FUNDAMENTS-AS Fundaments B.V. is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.
How should you verify the AS20559 result?
The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.
How to verify this ASN result
AS20559 ASN lookupAS20559 BGPAS20559 peersAS20559 prefixesAS20559 upstreamsFUNDAMENTS-AS Fundaments B.V. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS20562
AS20562
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AS174
AS174
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AS6939
AS6939
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AS24785
AS24785
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AS8455
AS8455
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AS6461
AS6461
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AS5405
AS5405
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AS20764
AS20764
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AS34019
AS34019
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AS15576
AS15576
—
AS35280
AS35280
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AS8298
AS8298
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AS14840
AS14840
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AS25091
AS25091
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AS29075
AS29075
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AS33891
AS33891
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AS41327
AS41327
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AS58057
AS58057
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AS8218
AS8218
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AS34927
AS34927
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AS39351
AS39351
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AS50629
AS50629
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AS1103
AS1103
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AS1267
AS1267
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AS3214
AS3214
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AS3399
AS3399
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AS6057
AS6057
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AS6204
AS6204
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AS6424
AS6424
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AS6663
AS6663
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AS7195
AS7195
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AS9002
AS9002
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AS9044
AS9044
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AS12779
AS12779
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AS12859
AS12859
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AS14907
AS14907
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AS15958
AS15958
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AS20766
AS20766
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AS24482
AS24482
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AS24961
AS24961
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.113.84.0/22 | AS20559 | — |
| 185.122.116.0/22 | AS20559 | — |
| 185.157.145.0/24 | AS20559 | — |
| 185.202.253.0/24 | AS20559 | — |
| 185.202.254.0/24 | AS20559 | — |
| 185.41.136.0/22 | AS20559 | — |
| 185.46.64.0/22 | AS20559 | — |
| 185.51.56.0/22 | AS20559 | — |
| 185.52.60.0/22 | AS20559 | — |
| 193.187.188.0/22 | AS20559 | — |
| 193.37.204.0/22 | AS20559 | — |
| 194.213.112.0/23 | AS20559 | — |
| 194.9.85.0/24 | AS20559 | — |
| 213.249.72.0/24 | AS20559 | — |
| 2a00:d10::/32 | AS20559 | — |
| 2a00:d1c0::/32 | AS20559 | — |
| 2a01:448:72::/48 | AS20559 | — |
| 2a02:ac40::/29 | AS20559 | — |
| 2a03:3400::/32 | AS20559 | — |
| 2a06:6940::/29 | AS20559 | — |
| 2a07:3502:1160::/48 | AS20559 | — |
| 31.200.208.0/21 | AS20559 | — |
| 37.220.168.0/21 | AS20559 | — |
| 45.13.164.0/22 | AS20559 | — |
| 45.133.196.0/22 | AS20559 | — |
| 45.146.124.0/22 | AS20559 | — |
| 46.19.216.0/21 | AS20559 | — |
| 46.226.88.0/21 | AS20559 | — |
| 5.172.40.0/21 | AS20559 | — |
| 78.31.112.0/21 | AS20559 | — |
| 85.209.108.0/22 | AS20559 | — |
| 88.218.152.0/22 | AS20559 | — |
| 91.197.72.0/22 | AS20559 | — |
| 91.210.127.0/24 | AS20559 | — |
| 91.218.148.0/22 | AS20559 | — |
| 91.224.248.0/23 | AS20559 | — |
| 91.234.193.0/24 | AS20559 | — |
| 93.186.176.0/20 | AS20559 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS20559 represent?
AS20559 is an autonomous system number. The current source associates it with FUNDAMENTS-AS Fundaments B.V. and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.
What are peers, upstreams, and prefixes useful for on the AS20559 page?
They help explain the scale, interconnection depth, and route structure of AS20559. 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 AS20559?
Open a concrete IP page to check how the address maps into AS20559, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
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