Country
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ASN LANDING PAGE
AS21430
WIA-AS WIA spol. s.r.o.
Last updated · Jul 20, 2026
Total prefixes
70
IPv4 prefixes
65
IPv6 prefixes
5
ASN summary
How to read the scale of AS21430
WIA-AS WIA spol. s.r.o. currently reports 70 prefixes and 47 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?
WIA-AS WIA spol. s.r.o. 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 AS21430 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
AS21430 ASN lookupAS21430 BGPAS21430 peersAS21430 prefixesAS21430 upstreamsWIA-AS WIA spol. s.r.o. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS3257
AS3257
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AS1299
AS1299
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AS3491
AS3491
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AS39392
AS39392
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AS6939
AS6939
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AS8218
AS8218
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AS1764
AS1764
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AS22356
AS22356
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AS286
AS286
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AS4455
AS4455
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AS14840
AS14840
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AS20562
AS20562
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AS6204
AS6204
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AS6881
AS6881
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AS3212
AS3212
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AS35369
AS35369
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AS37721
AS37721
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AS47692
AS47692
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AS49544
AS49544
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AS50629
AS50629
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AS59890
AS59890
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AS6663
AS6663
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AS13194
AS13194
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AS24482
AS24482
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AS29504
AS29504
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AS36236
AS36236
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AS40994
AS40994
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AS51184
AS51184
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AS198150
AS198150
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AS212483
AS212483
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AS8529
AS8529
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AS28917
AS28917
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AS41327
AS41327
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AS47200
AS47200
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AS9009
AS9009
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AS15935
AS15935
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AS44306
AS44306
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AS263444
AS263444
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 109.123.200.0/23 | AS21430 | — |
| 109.123.201.0/24 | AS21430 | — |
| 109.123.204.0/24 | AS21430 | — |
| 109.123.212.0/23 | AS21430 | — |
| 109.123.226.0/24 | AS21430 | — |
| 147.161.28.0/22 | AS21430 | — |
| 185.161.240.0/22 | AS21430 | — |
| 185.33.136.0/22 | AS21430 | — |
| 2001:67c:15a0::/48 | AS21430 | — |
| 2001:67c:15a1::/48 | AS21430 | — |
| 2001:67c:aa4::/48 | AS21430 | — |
| 217.11.226.0/24 | AS21430 | — |
| 217.11.231.0/24 | AS21430 | — |
| 217.11.234.0/24 | AS21430 | — |
| 217.11.237.0/24 | AS21430 | — |
| 217.11.238.0/23 | AS21430 | — |
| 217.11.240.0/23 | AS21430 | — |
| 217.11.244.0/24 | AS21430 | — |
| 217.11.250.0/24 | AS21430 | — |
| 217.11.252.0/23 | AS21430 | — |
| 217.11.255.0/24 | AS21430 | — |
| 2a01:6400::/32 | AS21430 | — |
| 2a14:a480::/48 | AS21430 | — |
| 31.7.240.0/21 | AS21430 | — |
| 77.78.122.0/24 | AS21430 | — |
| 77.78.64.0/22 | AS21430 | — |
| 77.78.68.0/23 | AS21430 | — |
| 77.78.74.0/23 | AS21430 | — |
| 77.78.80.0/21 | AS21430 | — |
| 77.78.88.0/23 | AS21430 | — |
| 77.78.91.0/24 | AS21430 | — |
| 77.78.92.0/23 | AS21430 | — |
| 80.250.0.0/19 | AS21430 | — |
| 81.0.196.0/23 | AS21430 | — |
| 81.0.198.0/24 | AS21430 | — |
| 81.0.200.0/22 | AS21430 | — |
| 81.0.204.0/23 | AS21430 | — |
| 81.0.210.0/23 | AS21430 | — |
| 81.0.215.0/24 | AS21430 | — |
| 81.0.216.0/24 | AS21430 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS21430 represent?
AS21430 is an autonomous system number. The current source associates it with WIA-AS WIA spol. s.r.o. 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 AS21430 page?
They help explain the scale, interconnection depth, and route structure of AS21430. 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 AS21430?
Open a concrete IP page to check how the address maps into AS21430, 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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