Country
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ASN LANDING PAGE
AS8399
SEWAN-FR SEWAN SAS
Last updated · Jul 20, 2026
Total prefixes
37
IPv4 prefixes
33
IPv6 prefixes
4
ASN summary
How to read the scale of AS8399
SEWAN-FR SEWAN SAS currently reports 37 prefixes and 40 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.
What can an ASN page answer?
An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.
How should you read the organization and region fields?
SEWAN-FR SEWAN SAS is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.
How should you verify the AS8399 result?
The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.
How to verify this ASN result
AS8399 ASN lookupAS8399 BGPAS8399 peersAS8399 prefixesAS8399 upstreamsSEWAN-FR SEWAN 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
AS6939
AS6939
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AS35699
AS35699
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AS1299
AS1299
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AS3257
AS3257
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AS174
AS174
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AS2914
AS2914
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AS12479
AS12479
—
AS33891
AS33891
—
AS34549
AS34549
—
AS25091
AS25091
—
AS6461
AS6461
—
AS50263
AS50263
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AS5405
AS5405
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AS50673
AS50673
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AS8218
AS8218
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AS22356
AS22356
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AS29632
AS29632
—
AS34927
AS34927
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AS50629
AS50629
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AS1103
AS1103
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AS3215
AS3215
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AS3216
AS3216
—
AS4455
AS4455
—
AS6057
AS6057
—
AS8298
AS8298
—
AS9002
AS9002
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AS14840
AS14840
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AS24961
AS24961
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AS29075
AS29075
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AS34019
AS34019
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AS34177
AS34177
—
AS35280
AS35280
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AS47147
AS47147
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AS48362
AS48362
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AS49434
AS49434
—
AS137409
AS137409
—
AS199524
AS199524
—
AS286
AS286
—
AS559
AS559
—
AS1140
AS1140
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 155.2.128.0/19 | AS8399 | — |
| 157.143.128.0/17 | AS8399 | — |
| 178.174.96.0/20 | AS8399 | — |
| 178.255.160.0/21 | AS8399 | — |
| 185.218.208.0/22 | AS8399 | — |
| 185.24.140.0/22 | AS8399 | — |
| 185.249.20.0/22 | AS8399 | — |
| 185.32.208.0/22 | AS8399 | — |
| 185.42.176.0/22 | AS8399 | — |
| 185.50.52.0/24 | AS8399 | — |
| 185.50.53.0/24 | AS8399 | — |
| 185.50.54.0/24 | AS8399 | — |
| 185.50.55.0/24 | AS8399 | — |
| 185.6.92.0/22 | AS8399 | — |
| 185.65.248.0/22 | AS8399 | — |
| 185.76.216.0/22 | AS8399 | — |
| 185.8.252.0/22 | AS8399 | — |
| 193.142.158.0/24 | AS8399 | — |
| 195.135.0.0/17 | AS8399 | — |
| 195.135.0.0/18 | AS8399 | — |
| 195.135.12.0/23 | AS8399 | — |
| 195.135.48.0/20 | AS8399 | — |
| 195.135.48.0/24 | AS8399 | — |
| 217.181.128.0/17 | AS8399 | — |
| 217.74.96.0/20 | AS8399 | — |
| 2a02:6e8::/32 | AS8399 | — |
| 2a02:c440::/29 | AS8399 | — |
| 2a05:5cc0::/29 | AS8399 | — |
| 2a0b:e3c0::/29 | AS8399 | — |
| 37.139.120.0/21 | AS8399 | — |
| 37.139.124.0/24 | AS8399 | — |
| 37.97.64.0/19 | AS8399 | — |
| 37.97.96.0/20 | AS8399 | — |
| 65.39.64.0/19 | AS8399 | — |
| 80.251.96.0/20 | AS8399 | — |
| 81.93.0.0/19 | AS8399 | — |
| 88.213.224.0/19 | AS8399 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS8399 represent?
AS8399 is an autonomous system number. The current source associates it with SEWAN-FR SEWAN SAS and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.
What are peers, upstreams, and prefixes useful for on the AS8399 page?
They help explain the scale, interconnection depth, and route structure of AS8399. 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 AS8399?
Open a concrete IP page to check how the address maps into AS8399, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
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Routing Troubleshooting and Network Analysis
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