Country
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ASN LANDING PAGE
AS200454
TOM-AS - Tomas Oliveira Valente Leite de Castro
Last updated · Apr 4, 2026
Total prefixes
6
IPv4 prefixes
3
IPv6 prefixes
3
ASN summary
How to read the scale of AS200454
TOM-AS - Tomas Oliveira Valente Leite de Castro currently shows 6 prefixes and 41 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 AS200454?
TOM-AS - Tomas Oliveira Valente Leite de Castro 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 AS200454 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
AS200454 ASN lookupAS200454 BGPAS200454 peersAS200454 prefixesAS200454 upstreamsTOM-AS - Tomas Oliveira Valente Leite de Castro ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS6939
AS6939
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AS12186
AS12186
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AS393577
AS393577
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AS13335
AS13335
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AS213605
AS213605
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AS5056
AS5056
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AS396998
AS396998
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AS32097
AS32097
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AS10242
AS10242
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AS11232
AS11232
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AS400146
AS400146
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AS44324
AS44324
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AS36236
AS36236
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AS53597
AS53597
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AS2495
AS2495
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AS10310
AS10310
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AS52025
AS52025
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AS13329
AS13329
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AS18451
AS18451
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AS64289
AS64289
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AS216107
AS216107
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AS2572
AS2572
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AS34927
AS34927
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AS40581
AS40581
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AS53610
AS53610
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AS42
AS42
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AS835
AS835
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AS924
AS924
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AS8674
AS8674
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AS11317
AS11317
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AS16909
AS16909
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AS22295
AS22295
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AS23404
AS23404
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AS27523
AS27523
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AS40536
AS40536
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AS52210
AS52210
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AS395662
AS395662
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AS399898
AS399898
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AS401538
AS401538
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AS1003
AS1003
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 131.143.87.0/24 | AS200454 | — |
| 199.16.241.0/24 | AS200454 | — |
| 23.147.168.0/24 | AS200454 | — |
| 2602:faa5::/36 | AS200454 | — |
| 2a0a:6040:aa00::/40 | AS200454 | — |
| 2a0f:b241:10::/48 | AS200454 | — |
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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 AS200454 represent?
AS200454 is an autonomous system number used to identify an independently operated network. The current page associates it with TOM-AS - Tomas Oliveira Valente Leite de Castro 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 AS200454 page?
They help explain the scale, interconnection depth, and route structure of AS200454. 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 AS200454?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS200454, 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.