Country
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ASN LANDING PAGE
AS57157
BI-AS - bi. SAS
Last updated · Apr 4, 2026
Total prefixes
6
IPv4 prefixes
5
IPv6 prefixes
1
ASN summary
How to read the scale of AS57157
BI-AS - bi. SAS currently shows 6 prefixes and 40 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 AS57157?
BI-AS - bi. SAS 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 AS57157 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
AS57157 ASN lookupAS57157 BGPAS57157 peersAS57157 prefixesAS57157 upstreamsBI-AS - bi. SAS ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Detailed data for this ASN is not available right now.
Peers
AS39801
AS39801
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AS35625
AS35625
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AS6939
AS6939
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AS20764
AS20764
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AS20562
AS20562
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AS35280
AS35280
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AS41327
AS41327
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AS6057
AS6057
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AS8298
AS8298
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AS9304
AS9304
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AS12779
AS12779
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AS25091
AS25091
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AS34019
AS34019
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AS34177
AS34177
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AS39351
AS39351
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AS1828
AS1828
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AS2027
AS2027
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AS4455
AS4455
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AS6758
AS6758
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AS7713
AS7713
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AS13237
AS13237
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AS15547
AS15547
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AS24482
AS24482
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AS25160
AS25160
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AS29075
AS29075
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AS34288
AS34288
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AS35426
AS35426
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AS35600
AS35600
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AS36236
AS36236
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AS37721
AS37721
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AS39120
AS39120
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AS44097
AS44097
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AS49434
AS49434
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AS49544
AS49544
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AS50628
AS50628
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AS51185
AS51185
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AS56987
AS56987
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AS58308
AS58308
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AS60171
AS60171
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AS198385
AS198385
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.29.244.0/24 | AS57157 | — |
| 185.29.245.0/24 | AS57157 | — |
| 185.29.246.0/24 | AS57157 | — |
| 185.29.247.0/24 | AS57157 | — |
| 193.56.15.0/24 | AS57157 | — |
| 2a0f:d1c0::/32 | AS57157 | — |
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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 AS57157 represent?
AS57157 is an autonomous system number used to identify an independently operated network. The current page associates it with BI-AS - bi. SAS 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 AS57157 page?
They help explain the scale, interconnection depth, and route structure of AS57157. 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 AS57157?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS57157, 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.