Country
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ASN LANDING PAGE
AS21235
ADVANCED-SYSTEMHAUS ADVANCED Systemhaus GmbH
Last updated · Jul 20, 2026
Total prefixes
4
IPv4 prefixes
3
IPv6 prefixes
1
ASN summary
How to read the scale of AS21235
ADVANCED-SYSTEMHAUS ADVANCED Systemhaus GmbH currently reports 4 prefixes and 3 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?
ADVANCED-SYSTEMHAUS ADVANCED Systemhaus GmbH 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 AS21235 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
AS21235 ASN lookupAS21235 BGPAS21235 peersAS21235 prefixesAS21235 upstreamsADVANCED-SYSTEMHAUS ADVANCED Systemhaus GmbH ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Detailed data for this ASN is not available right now.
Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.65.4.0/22 | AS21235 | — |
| 193.108.193.0/24 | AS21235 | — |
| 194.49.64.0/23 | AS21235 | — |
| 2a03:16e0::/32 | AS21235 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS21235 represent?
AS21235 is an autonomous system number. The current source associates it with ADVANCED-SYSTEMHAUS ADVANCED Systemhaus GmbH 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 AS21235 page?
They help explain the scale, interconnection depth, and route structure of AS21235. 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 AS21235?
Open a concrete IP page to check how the address maps into AS21235, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
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