Country
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ASN LANDING PAGE
AS28725
CETIN-AS - CETIN a.s.
Last updated · Apr 4, 2026
Total prefixes
9
IPv4 prefixes
7
IPv6 prefixes
2
ASN summary
How to read the scale of AS28725
CETIN-AS - CETIN a.s. currently shows 9 prefixes and 75 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 AS28725?
CETIN-AS - CETIN a.s. 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 AS28725 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
AS28725 ASN lookupAS28725 BGPAS28725 peersAS28725 prefixesAS28725 upstreamsCETIN-AS - CETIN a.s. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS24641
AS24641
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AS35046
AS35046
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AS35613
AS35613
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AS196952
AS196952
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AS198248
AS198248
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AS203365
AS203365
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AS212975
AS212975
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AS57294
AS57294
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AS203645
AS203645
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AS50784
AS50784
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AS206438
AS206438
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AS206177
AS206177
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AS198346
AS198346
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AS48364
AS48364
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AS51382
AS51382
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AS57288
AS57288
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AS209947
AS209947
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AS212859
AS212859
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AS57560
AS57560
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AS57825
AS57825
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AS205619
AS205619
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AS52029
AS52029
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AS29298
AS29298
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AS56566
AS56566
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AS204351
AS204351
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AS56427
AS56427
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AS196849
AS196849
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AS197565
AS197565
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AS213559
AS213559
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AS211826
AS211826
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AS47868
AS47868
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AS201265
AS201265
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AS19637
AS19637
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AS51420
AS51420
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AS1299
AS1299
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Peers
AS1299
AS1299
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AS174
AS174
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AS6939
AS6939
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AS34549
AS34549
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AS6461
AS6461
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AS13030
AS13030
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AS20764
AS20764
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AS50304
AS50304
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AS50673
AS50673
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AS34019
AS34019
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AS9002
AS9002
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AS35625
AS35625
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AS34927
AS34927
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AS8298
AS8298
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AS48362
AS48362
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AS29691
AS29691
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AS3214
AS3214
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AS39351
AS39351
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AS34177
AS34177
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AS6057
AS6057
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AS6777
AS6777
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AS12779
AS12779
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AS5405
AS5405
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AS37468
AS37468
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AS50629
AS50629
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AS8758
AS8758
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AS29075
AS29075
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AS25091
AS25091
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AS41327
AS41327
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AS29632
AS29632
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AS1103
AS1103
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AS25160
AS25160
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AS37100
AS37100
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AS51185
AS51185
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AS199524
AS199524
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AS24482
AS24482
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AS39122
AS39122
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AS58057
AS58057
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AS64475
AS64475
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AS199938
AS199938
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 136.238.226.0/24 | AS28725 | — |
| 185.218.92.0/23 | AS28725 | — |
| 194.147.12.0/22 | AS28725 | — |
| 194.50.64.0/22 | AS28725 | — |
| 2a07:1f40::/29 | AS28725 | — |
| 2a0b:bb40::/32 | AS28725 | — |
| 85.162.0.0/15 | AS28725 | — |
| 85.162.0.0/16 | AS28725 | — |
| 85.163.0.0/16 | AS28725 | — |
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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 AS28725 represent?
AS28725 is an autonomous system number used to identify an independently operated network. The current page associates it with CETIN-AS - CETIN a.s. 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 AS28725 page?
They help explain the scale, interconnection depth, and route structure of AS28725. 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 AS28725?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS28725, 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.