Country
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ASN LANDING PAGE
AS15557
LDCOMNET - Societe Francaise Du Radiotelephone - SFR SA
Last updated · Apr 4, 2026
Total prefixes
158
IPv4 prefixes
146
IPv6 prefixes
12
ASN summary
How to read the scale of AS15557
LDCOMNET - Societe Francaise Du Radiotelephone - SFR SA currently shows 158 prefixes and 80 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 AS15557?
LDCOMNET - Societe Francaise Du Radiotelephone - SFR SA 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 AS15557 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
AS15557 ASN lookupAS15557 BGPAS15557 peersAS15557 prefixesAS15557 upstreamsLDCOMNET - Societe Francaise Du Radiotelephone - SFR SA ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS12670
AS12670
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AS200245
AS200245
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AS205862
AS205862
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AS205461
AS205461
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AS35632
AS35632
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AS34235
AS34235
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AS3259
AS3259
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AS35238
AS35238
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AS60032
AS60032
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AS60697
AS60697
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AS203984
AS203984
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AS199233
AS199233
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AS49902
AS49902
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AS207589
AS207589
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AS204426
AS204426
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AS49112
AS49112
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AS49540
AS49540
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AS34383
AS34383
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AS39847
AS39847
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AS43698
AS43698
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AS43763
AS43763
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AS47206
AS47206
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AS50588
AS50588
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AS41334
AS41334
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AS42811
AS42811
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AS48179
AS48179
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AS49011
AS49011
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AS202249
AS202249
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AS13223
AS13223
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AS52039
AS52039
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AS60855
AS60855
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AS20776
AS20776
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AS212562
AS212562
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AS12566
AS12566
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AS41272
AS41272
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AS58324
AS58324
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AS42117
AS42117
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AS49449
AS49449
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AS205746
AS205746
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AS209027
AS209027
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Peers
AS1299
AS1299
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AS6762
AS6762
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AS174
AS174
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AS2914
AS2914
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AS9002
AS9002
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AS1273
AS1273
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AS3320
AS3320
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AS13030
AS13030
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AS31561
AS31561
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AS25091
AS25091
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AS6461
AS6461
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AS20764
AS20764
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AS6830
AS6830
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AS8218
AS8218
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AS4637
AS4637
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AS33891
AS33891
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AS2497
AS2497
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AS60068
AS60068
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AS39351
AS39351
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AS1103
AS1103
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AS24961
AS24961
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AS34019
AS34019
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AS34177
AS34177
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AS41327
AS41327
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AS3303
AS3303
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AS8455
AS8455
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AS30781
AS30781
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AS35426
AS35426
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AS199524
AS199524
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AS6758
AS6758
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AS35280
AS35280
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AS12859
AS12859
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AS3170
AS3170
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AS6908
AS6908
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AS29075
AS29075
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AS14907
AS14907
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AS42708
AS42708
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AS2027
AS2027
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AS1836
AS1836
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AS12779
AS12779
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 109.0.0.0/11 | AS15557 | — |
| 141.170.216.0/21 | AS15557 | — |
| 143.196.0.0/24 | AS15557 | — |
| 143.196.1.0/24 | AS15557 | — |
| 143.196.124.0/24 | AS15557 | — |
| 143.196.125.0/24 | AS15557 | — |
| 143.196.126.0/24 | AS15557 | — |
| 143.196.127.0/24 | AS15557 | — |
| 143.196.130.0/24 | AS15557 | — |
| 143.196.143.0/24 | AS15557 | — |
| 143.196.144.0/24 | AS15557 | — |
| 143.196.157.0/24 | AS15557 | — |
| 143.196.158.0/24 | AS15557 | — |
| 143.196.159.0/24 | AS15557 | — |
| 143.196.16.0/24 | AS15557 | — |
| 143.196.160.0/24 | AS15557 | — |
| 143.196.161.0/24 | AS15557 | — |
| 143.196.162.0/24 | AS15557 | — |
| 143.196.163.0/24 | AS15557 | — |
| 143.196.164.0/24 | AS15557 | — |
| 143.196.165.0/24 | AS15557 | — |
| 143.196.166.0/24 | AS15557 | — |
| 143.196.167.0/24 | AS15557 | — |
| 143.196.17.0/24 | AS15557 | — |
| 143.196.18.0/24 | AS15557 | — |
| 143.196.20.0/24 | AS15557 | — |
| 143.196.21.0/24 | AS15557 | — |
| 143.196.250.0/24 | AS15557 | — |
| 143.196.252.0/24 | AS15557 | — |
| 143.196.253.0/24 | AS15557 | — |
| 148.169.22.0/24 | AS15557 | — |
| 185.147.204.0/22 | AS15557 | — |
| 185.197.101.0/24 | AS15557 | — |
| 185.204.172.0/22 | AS15557 | — |
| 185.228.226.0/24 | AS15557 | — |
| 185.9.152.0/22 | AS15557 | — |
| 192.102.224.0/24 | AS15557 | — |
| 193.105.197.0/24 | AS15557 | — |
| 193.107.240.0/22 | AS15557 | — |
| 193.54.67.0/24 | AS15557 | — |
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Related lookups and next steps
Oracle Cloud / OCI IP Identification Guide
Useful for deciding whether this ASN behaves more like Oracle Cloud / OCI enterprise cloud infrastructure or another generic hosting network.
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 AS15557 represent?
AS15557 is an autonomous system number used to identify an independently operated network. The current page associates it with LDCOMNET - Societe Francaise Du Radiotelephone - SFR SA 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 AS15557 page?
They help explain the scale, interconnection depth, and route structure of AS15557. 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 AS15557?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS15557, then continue into cloud, WHOIS, or routing topic pages to understand the network in a broader context.
Related topics
Oracle Cloud / OCI IP Identification Guide
Use ASN, WHOIS, prefixes, and cloud-network context to decide whether an IP looks more like Oracle Cloud or OCI infrastructure.
Cloud IP Ownership Guide
Determine whether an IP belongs to AWS, Google Cloud, Azure, or another cloud network by combining ASN, WHOIS, prefixes, and organization data.
Cloud Network and ASN Comparison
Compare large cloud and edge networks such as Google, Cloudflare, Microsoft, and Amazon through their ASN landing pages.
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.