AS8309 — SIPARTECH SIPARTECH SAS

AS8309 announces 8 IPv4 prefixes covering 68,864 addresses and 5 IPv6 prefixes.

About this network

SIPARTECH is Sipartech SAS, a Paris-based independent fibre operator. It builds and lights its own optical network across France and western Europe, selling dark fibre, wavelengths, Ethernet and IP transit to carriers, datacentres and enterprises.

What it's used for

• IP transit and carrier backbone. The AS peers widely (roughly 190 observed BGP neighbours) and carries downstream networks, which is the shape of a transit provider rather than an end-user network.
• The IPv4 footprint is small in address count but structurally significant: a handful of large aggregates such as 62.129.0.0/19, 217.180.128.0/18 and 37.19.128.0/18, most of which get carved into customer assignments.
• Sipartech's core business is the physical layer. The company's own description emphasises dark fibre and optical transmission linking major datacentres and business districts, with IP transit sold on top of that infrastructure.

Notable

• This is infrastructure, not eyeballs. There are no subscriber pools anywhere in the space. What reverse DNS exists is either Sipartech's own operational naming (ns-2.sipartech.com, hosts under transmission-fibre.fr) or a customer's own domain sitting inside a Sipartech block. An IP here should be read as "a network buying transit or fibre from Sipartech", not as a Sipartech end user.
• Some prefixes announced by the AS are registered to other organisations entirely, which is normal for a transit carrier announcing customer space.

Interesting

• Sipartech is one of the few French operators that owns the fibre it sells rather than reselling someone else's, which is why its addressing is modest while its peering and customer cone are not. Address count is a poor proxy for the importance of a network like this.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 37.19.128.0/18
• 62.129.0.0/19
• 144.56.148.0/22
• 144.56.152.0/21
• 144.56.160.0/19
• 144.56.192.0/18
• 185.46.164.0/24
• 217.180.128.0/18
• 2a06:19c0::/29
• 2a13:7505:2::/48
• 2a13:7505:8002::/47
• 2a13:7506:1002::/48
• 2a13:7506:9002::/47

Upstream networks

• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS1299 Arelion Sweden AB
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS9002 RETN Limited
• AS34549 meerfarbig GmbH & Co. KG
• AS22652 Videotron Ltee
• AS6696 VERIXI SA
• AS3356 Level 3 Parent, LLC
• AS50304 Blix Solutions AS
• AS37721 Virtual Technologies & Solutions
• AS48185 team.blue NV
• AS34019 Hivane Association
• AS50628 Leonix Telecom SAS
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS213241 TECHIT.BE SRL
• AS48362 Stadtwerke Feldkirch
• AS34927 iFog GmbH
• AS212024 Marc Schmitt
• AS3741 Dimension Data
• AS4657 StarHub Ltd
• AS12779 IT.Gate S.p.A.

Downstream networks

• AS56339 Ionis Schools of Technology and Management SAS
• AS15846 Compagnie Francaise d'Assurance pour le Commerce Exterieur S.A.
• AS60532 SEROR TECHNOLOGIES SASU
• AS41653 Aqua Ray SAS
• AS50954 Eyona SAS
• AS206856 Ecommerce Informatique Services SARL
• AS210879 Sparteo SAS
• AS987 WIBX SAS
• AS204596 PATHE CINEMAS SERVICES SNC
• AS50124 EASIO-COM SASU
• AS57951 Yacast France SAS
• AS3196 7Space SASU
• AS58004 Stime SAS
• AS203908 PIXAGILITY SAS
• AS213184 Telyo SAS
• AS207410 Marignan SAS
• AS209323 Geneanet SAS
• AS39583 Pertineo SAS
• AS211308 NATEIS EURL
• AS35353 Alpha Square SAS

Adjacent networks

• AS56339 Ionis Schools of Technology and Management SAS
• AS50124 EASIO-COM SASU
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS210879 Sparteo SAS
• AS34549 meerfarbig GmbH & Co. KG
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS22652 Videotron Ltee
• AS15846 Compagnie Francaise d'Assurance pour le Commerce Exterieur S.A.
• AS60532 SEROR TECHNOLOGIES SASU
• AS3356 Level 3 Parent, LLC
• AS41653 Aqua Ray SAS
• AS9002 RETN Limited
• AS50304 Blix Solutions AS
• AS1299 Arelion Sweden AB
• AS50954 Eyona SAS
• AS206856 Ecommerce Informatique Services SARL
• AS48185 team.blue NV
• AS213241 TECHIT.BE SRL
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS6696 VERIXI SA
• AS17639 Converge ICT Solutions Inc.
• AS987 WIBX SAS
• AS204596 PATHE CINEMAS SERVICES SNC
• AS37100 SEACOM Limited

Routing security

• RPKI: 17 valid, 0 invalid and 0 not-found announcements; 17 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 18 route objects.
• Listed in as-sets: AS-DRIX, AS-ECIX-FRA, AS-FRANCEIX-PAR-LIST, AS-GREEN-PEERS, AS-MANDA-AMSIX-PEERS-V4, AS-MANDA-AMSIX-PEERS-V6, AS-MANDA-DECIX-PEERS-V4, AS-MANDA-DECIX-PEERS-V6, AS-MANDA-ECIX-PEERS-V4, AS-MANDA-ECIX-PEERS-V6, AS-MANDA-LINX-PEERS-V4, AS-MANDA-LINX-PEERS-V6, AS-OPENTRANSIT, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-SEABONECUSTEU, AS-SPH, AS-TELICITY-PEERING-FRANCE-IX, AS201376:AS-PEERS, AS203462:AS-NVC-DECIX_FRA_RS, AS20717:AS-DECIX-MRS-CONNECTED, AS20717:AS-DECIX-MRS-RS, AS20717:AS-DECIX-MRS-RS-V6, AS212024:AS-PEERS, AS25091:AS-PEERS.

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany
• LINX LON1 — London, United Kingdom
• AMS-IX Amsterdam — Amsterdam, Netherlands
• Neutral Internet Exchange — Amsterdam, Netherlands
• France-IX Paris — Paris, France
• Equinix Internet Exchange Ashburn — Ashburn, United States
• Coresite - Any2 West — Los Angeles, United States
• Seattle Internet Exchange — Seattle, United States
• Any2 California — Los Angeles, United States
• DE-CIX New York — New York, United States
• Equinix Internet Exchange Paris — Paris, France
• Equinix Internet Exchange Miami — Miami, United States
• France-IX Marseille — Marseille, France
• Megaport Frankfurt IX — Frankfurt, Germany
• DE-CIX Marseille — Marseille, France
• Digital Realty New York Internet Exchange — New York, United States
• Equinix-LA(former Paix) — Los Angeles, United States