Country
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ASN LANDING PAGE
AS203712
XARTIC-AS - Xarxes Esteses de Comunicacions SL
Last updated · Apr 4, 2026
Total prefixes
9
IPv4 prefixes
8
IPv6 prefixes
1
ASN summary
How to read the scale of AS203712
XARTIC-AS - Xarxes Esteses de Comunicacions SL currently shows 9 prefixes and 22 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 AS203712?
XARTIC-AS - Xarxes Esteses de Comunicacions SL 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 AS203712 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
AS203712 ASN lookupAS203712 BGPAS203712 peersAS203712 prefixesAS203712 upstreamsXARTIC-AS - Xarxes Esteses de Comunicacions SL ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS43578
AS43578
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AS210472
AS210472
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AS6939
AS6939
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AS8218
AS8218
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AS33891
AS33891
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AS4455
AS4455
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AS14840
AS14840
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AS207336
AS207336
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AS6204
AS6204
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AS6424
AS6424
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AS9498
AS9498
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AS22356
AS22356
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AS29049
AS29049
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AS29680
AS29680
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AS37721
AS37721
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AS39120
AS39120
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AS49544
AS49544
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AS60171
AS60171
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AS198150
AS198150
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AS212483
AS212483
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AS263444
AS263444
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.126.104.0/24 | AS203712 | — |
| 185.126.105.0/24 | AS203712 | — |
| 185.126.106.0/24 | AS203712 | — |
| 185.126.107.0/24 | AS203712 | — |
| 2a0a:7040::/32 | AS203712 | — |
| 37.18.132.0/24 | AS203712 | — |
| 37.18.133.0/24 | AS203712 | — |
| 37.18.134.0/24 | AS203712 | — |
| 37.18.135.0/24 | AS203712 | — |
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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 AS203712 represent?
AS203712 is an autonomous system number used to identify an independently operated network. The current page associates it with XARTIC-AS - Xarxes Esteses de Comunicacions SL 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 AS203712 page?
They help explain the scale, interconnection depth, and route structure of AS203712. 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 AS203712?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS203712, 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.