Stuttgart-IX

Stuttgart-IX Summer Party 2026 – come celebrate with us!

Wed, 29 Jul 2026 00:00:00 +0000

Dear Community,

what better way to wrap up the summer than celebrating it together? Exactly – there is none! So we warmly invite you to our Stuttgart-IX Summer Party 2026.

Join us on Thursday, September 24th 2026 starting from 17:00 at Schwabengarten, Stuttgarter Straße 80, 70771 Leinfelden-Echterdingen. You can expect cold drinks, good food, great conversations and hopefully plenty of sunshine (and if not, we won’t let you stand in the rain).

indasys IT Systemhaus AG joins Stuttgart-IX

Thu, 26 Mar 2026 00:00:00 +0000

indasys IT Systemhaus AG / AS210967 is now connected to Stuttgart-IX with 10G and is peering with the route servers.

Akamai upgraded to 400G

Fri, 20 Feb 2026 00:00:00 +0000

Akamai Technologies (AS20940) is now connected to Stuttgart-IX with 400Gbps.

NetCom BW GmbH joins Stuttgart-IX

Thu, 12 Feb 2026 00:00:00 +0000

NetCom BW GmbH / AS41998 is now connected to Stuttgart-IX with 100G.

Telefónica Germany joins Stuttgart-IX

Fri, 16 Jan 2026 00:00:00 +0000

Telefónica Germany / AS6805 is now connected to Stuttgart-IX with 100G.

20 years Stuttgart-IX, time to celebrate!

Fri, 13 Jun 2025 00:00:00 +0000

Dear Community,

20 years ago, Stuttgart-IX was born, and since then a lot has happened. This is, of course, a great reason to celebrate!

We would like to invite you to join us on August 28th 2025 starting from 17:00 to Schwabengarten, Stuttgarter Straße 80, 70771 Leinfelden-Echterdingen. You can expect cold drinks, good food, great company and a sunny day (we won’t let you stand in the rain should it be otherwise).

Landeshauptstadt Stuttgart joins Stuttgart-IX

Wed, 04 Jun 2025 00:00:00 +0000

Landeshauptstadt Stuttgart / AS211651 is now connected to Stuttgart-IX with 100G and is peering with the route servers.

Stiegeler Internet Service GmbH joins Stuttgart-IX

Wed, 30 Apr 2025 00:00:00 +0000

Stiegeler Internet Service GmbH / AS200924 is now connected to Stuttgart-IX with 10G and is peering with the route servers.

Zayo Group joins Stuttgart-IX

Wed, 11 Sep 2024 00:00:00 +0000

Zayo Group / AS6461 is now connected to Stuttgart-IX with 10Gbps.

SWU TeleNet GmbH upgrade to 2x100G

Tue, 04 Jun 2024 00:00:00 +0000

SWU TeleNet GmbH (AS48284) is now connected to Stuttgart-IX with 2x10Gbps.

Freifunk Stuttgart e.V. joins Stuttgart-IX

Thu, 30 May 2024 00:00:00 +0000

Freifunk Stuttgart e.V. / AS208772 is now connected to Stuttgart-IX with 10G. Freifunk Stuttgart is peering with the route servers.

inter.link GmbH joins Stuttgart-IX

Thu, 21 Mar 2024 00:00:00 +0000

inter.link GmbH / AS5405 is now connected to Stuttgart-IX with 10G. inter.link is peering with the route servers.

Core-Backbone upgrade to 100G

Fri, 12 Jan 2024 00:00:00 +0000

Core-Backbone (AS33891) is now connected to Stuttgart-IX with 100Gbps. Core-Backbone is peering with the Route Servers.

BGP.tools joins Stuttgart-IX

Fri, 18 Aug 2023 00:00:00 +0000

BGP.tools is now connected to Stuttgart-IX with 1Gbps. BGP.tools is peering with the Route Servers.

Beering in Stuttgart at May, 16th 2023

Wed, 26 Apr 2023 00:00:00 +0000

Dear Community,

we’d like to announce the next beering, please mark your calendar:

Tuesday, May 16th 2023 from 6pm

To mix things up, we decided the venue this time to be Carls Brauhaus directly at Schloßplatz (https://www.carls-brauhaus.de, Stauffenbergstraße 1, 70173 Stuttgart). Please register here, so we can plan accordingly:

https://pretix.eu/s-ix/beering-2023001/

We’re looking forward to see you soon!

Your Stuttgart-IX Team

Core-Backbone GmbH joins Stuttgart-IX

Tue, 21 Feb 2023 00:00:00 +0000

Core-Backbone GmbH is now connected to Stuttgart-IX with 50Gbps. Core-Backbone is peering with the Route Servers.

Cloudflare Inc. joins Stuttgart-IX

Thu, 05 Jan 2023 00:00:00 +0000

Cloudflare Inc. / AS13335 is now connected to Stuttgart-IX with 100Gbps. Cloudflare is peering with the Route Servers.

Akamai upgraded to 2x100G

Thu, 24 Nov 2022 00:00:00 +0000

Akamai Technologies (AS20940) is now connected to Stuttgart-IX with 2x100Gbps. Akamai is peering with the Route Servers.

Beering on November 24th, 2022 6pm

Thu, 17 Nov 2022 00:00:00 +0000

Dear Community,

the last beering was during the summer break, so not everyone could make it. We therefore decided to invite you to another beering this year:

It will be on Thursday, November 24th 2022 from 6pm.

To mix things up, we decided the venue this time to be the Alte Wache Ostfildern, Claude-Dornier-Straße 4, 73760 Ostfildern.

Please register here, so we can plan accordingly.

We’re looking forward to seeing you soon!

EURO-IX Membership

Tue, 04 Oct 2022 00:00:00 +0000

Stuttgart-IX is proud to join the European Internet Exchange Association (Euro-IX). Euro-IX is an association of Internet Exchanges and promotes an open interchange of ideas and experiances by offering fora, meetings, mailing lists and online resources.

We’re proud to be part of this community and are looking forward to exchange ideas and visions with all Euro-IX members.

Beering 20.07.2022 19:00

Tue, 05 Jul 2022 00:00:00 +0000

Dear Community,

it’s been way too long since our last beering, and in the meantime much has happened.
To make use of the great weather befor the spring break we would like to invite you to our beering on July 20th 2022, 19:00 CEST in the Brauhaus Schönbuch in Stuttgart.

Please register here so we can plan accordingly.

We’re looking forward to seeing you again soon!

TeleData upgradet to 2x10G

Tue, 08 Mar 2022 00:00:00 +0000

TeleData GmbH is now connected to Stuttgart-IX with 2x10Gbps. TeleData is peering with the Route Servers.

Packet Clearing House joins Stuttgart-IX

Thu, 29 Jul 2021 00:00:00 +0000

Packet Clearing House (AS42/AS3856) is now connected to Stuttgart-IX with 10Gbps each. PCH is peering with the Route Servers.

Plusnet GmbH joins Stuttgart-IX

Wed, 21 Jul 2021 00:00:00 +0000

Plusnet GmbH. is now connected to Stuttgart-IX with 10Gbps. Plusnet is peering with the Route Servers.

CMO Internetdienstleistungs GmbH upgraded to 10GE

Tue, 20 Jul 2021 00:00:00 +0000

CMO Internetdienstleistungs GmbH AS25058 has been upgraded to 10Gbps.

Akamai Technologies upgraded to 100GE

Mon, 05 Jul 2021 00:00:00 +0000

Akamai Technologies AS20940 has been upgraded to 100Gbps.

Facebook Inc. joins Stuttgart-IX

Tue, 08 Jun 2021 00:00:00 +0000

Facebook Inc. is now connected to Stuttgart-IX with 100Gbps.

Relaunch - 1 year in review

Fri, 07 May 2021 00:00:00 +0000

On April 30th 2020 Stuttgart-IX announced its relaunch, since then much has changed. We’d like to take the opportunity of this anniversary to look back on the past year.

The new Stuttgart-IX infrastructure fulfills all our peers demands and supports many modern routing security standards. Shortly after the relaunch Stuttgart-IX became official member of the MANRS initiative which underlines the commitment to a safer internet.

287GBit/s connected capacity

In the past year Stuttgart-IX welcomed 6 new members with a capacity of 73GBit/s to the peering LAN. Additionally existing members increased their connected capacity by 130GBit/s, which is also clearly visible in the traffic statistics. The overall capacity of Stuttgart-IX increased to 287GBit/s.

SWU TeleNet GmbH upgraded to 10Gbps

Tue, 30 Mar 2021 00:00:00 +0000

SWU TeleNet GmbH AS48284 has been upgraded to 10Gbps.

BelWue upgraded to 100Gbps

Wed, 10 Mar 2021 00:00:00 +0000

BelWUe AS553 has been upgraded to 100Gbps.

SWP Stadtwerke Pforzheim GmbH & Co. KG joins Stuttgart-IX

Thu, 18 Feb 2021 00:00:00 +0000

SWP Stadtwerke Pforzheim GmbH & Co. KG is now connected to Stuttgart-IX with 1Gbps. Stadtwerke Pforzheim is peering with the route servers.

ANEXIA Internetdienstleistungs GmbH joins Stuttgart-IX

Mon, 15 Feb 2021 00:00:00 +0000

ANEXIA Internetdienstleistungs GmbH is now connected to Stuttgart-IX with 10Gbps. ANEXIA is peering with the route servers.

Stadtwerke Konstanz GmbH joins Stuttgart-IX

Mon, 15 Feb 2021 00:00:00 +0000

Stadtwerke Konstanz GmbH is now connected to Stuttgart-IX with 10Gbps. Stadtwerke Konstanz is peering with the route servers.

Cloud partnership with DE-CIX

Wed, 03 Feb 2021 00:00:00 +0000

We’re happy to announce a new cloud partnership with DE-CIX! This partnership allows everyone connected to Stuttgart-IX to benefit from the wide variety of DE-CIX DirectCLOUD directly in Stuttgart. You can find further details in our joint press release.

TeleData GmbH upgraded to 10Gbps

Wed, 03 Feb 2021 00:00:00 +0000

TeleData GmbH AS21263 has been upgraded to 10Gbps.

Virtual Beering

Mon, 25 Jan 2021 00:00:00 +0000

Ourt next virtual beering will take place on 2021-02-11 at 16:00 CET. Register for free!
The beering will be held in German, we’ll look back on 2020, introduce you to new peers, new hardware, new locations and a new partnership!

Akamai Technologies joins Stuttgart-IX

Tue, 08 Dec 2020 00:00:00 +0000

Akamai Technologies(AS20940) is now connected to Stuttgart-IX with 50Gbps. Akamai Technologies is peering with the route servers.

AS112 joins Stuttgart-IX

Thu, 24 Sep 2020 00:00:00 +0000

The AS112 project is now connected to Stuttgart-IX. AS112 is peering with the Stuttgart-IX Route Servers starting on September 30th.

purtel.com GmbH upgraded to 10Gbps

Wed, 13 May 2020 00:00:00 +0000

purtel.com GmbH AS62336 has been upgraded to 10Gbps.

MANRS

Thu, 07 May 2020 00:00:00 +0000

Stuttgart-IX is proud to announce its support for the MANRS Initiative which aims to provide mutually agreed norms for routing security.
Stuttgart-IX implements MANRs by filtering for RPKI invalids, IRRDB invalids and by assisting its members to implement routing security measures.

New Infrastructure

Thu, 30 Apr 2020 00:00:00 +0000

Stuttgart-IX announces its new peering plattform, featuring a new IXP Manager installation, a new website as well as a new switching platform and new route servers with modern security features such as RPKI.

Stadtwerke Schorndorf joins Stuttgart-IX

Wed, 08 Apr 2020 00:00:00 +0000

Stadtwerke Schorndorf / AS205844 is connected to Stuttgart-IX with 1 Gbps and peering with the route servers.

About

Mon, 01 Jan 0001 00:00:00 +0000

What is Stuttgart-IX?

The Stuttgart Internet Exchange, short: Stuttgart-IX, is an Internet Exchange (IXP) in the heart of Stuttgart, Germany. Since 2005 Stuttgart-IX has offered its members a way to exchange data as fast and local as possible.

Stuttgart-IX is a carrier-neutral Internet Exchange, allowing CDNs, ISPs, Carriers, Universities and any other network operator to exchange data locally.

Network Operators can connect via BGP in the Peering LAN or via direct private Layer2 VLANs.

Offer / Pricing

Mon, 01 Jan 0001 00:00:00 +0000

Peering Ports

Prerequisites

To get connected you need an Autonomous System Number (ASN), IP Space assigned by your RIR and a Link to one of the Locations (see below). LIR-Status is not necessary.

Prices Stuttgart-IX Access

To get connected you need a Stuttgart-IX Access Port.

10 Gbps

250,00 EUR^* Monthly fee

Setup fee: 500,00 EUR^*
Interface: 10G-LR

100 Gbps

1250,00 EUR^* Monthly fee

Setup fee: 2500,00 EUR^*
Interface: 100G-LR

400 Gbps

2500,00 EUR^* Monthly fee

Setup fee: 2500,00 EUR^*
Interface: 400G-LR4

* All prices are net, VAT will be billed accordingly.

Peers

Mon, 01 Jan 0001 00:00:00 +0000

All peers currently connected to Stuttgart-IX can be found in the table below. Further information is available here.
This table is also available in the IX-F Member Export JSON Schema via our JSON-API.

Organization	ASN	RouteServer Peer	Speed
Akamai Technologies	20940	yes	4x100G
ANEXIA Internetdienstleistungs GmbH	47147	yes	10G
Aquilius Research GmbH	51492	yes	10G
AS112 Projekt	112	yes	10G
BelWue	553	yes	100G
BGP.tools	212232	yes	1G
Cloudflare Inc.	13335	yes	100G
CMO Internet Dienstleistungen GmbH	25058	yes	10G
Core-Backbone GmbH	33891	yes	100G
Dr.-Ing. Nepustil & Co. GmbH	33843	yes	10G
Dr.-Ing. Nepustil & Co. GmbH	12502	yes	10G
Facebook Inc.	63293	yes	100G
Freifunk Stuttgart e.V.	208772	yes	10G
Globalways GmbH	48918	yes	10G
imos GmbH	20677	yes	3x10G
indasys IT Systemhaus AG	210967	yes	10G
inter.link	5405	yes	10G
ISP Service eG	198818	yes	1G
Landeshauptstadt Stuttgart	AS211651	yes	100G
LF.net Netzwerksysteme Gmbh	12374	no	1G
NetCom BW	41998	yes	100G
NetCom BW GmbH	41998	yes	100G
omnidat Gmbh	202707	yes	1G
Packet Clearing House	3856	yes	10G
Packet Clearing House AS42	42	yes	10G
PLANinterNET Gmbh	47138	yes	1G
Plusnet Gmbh	20676	yes	10G
purtel.com GmbH	62336	yes	10G
S-IT Informaationstechnologie Betreiber GmbH & Co. KG	39702	yes	10G
sdt.net	6735	yes	10G
Stadtwerke Konstanz	57154	yes	10G
Stadtwerke Pforzheim	209846	yes	1G
Stiegeler Internet Service GmbH	200924	yes	10G
SWU TeleNet GmbH	48284	yes	2x10G
TeleData GmbH	21263	yes	2x10G
Telefónica Germany	6805	no	100G
Zayo (Abovenet Communications Inc.)	6461	no	10G

Route Server

Mon, 01 Jan 0001 00:00:00 +0000

Stuttgart-IX operates two Route Servers, to allow peers to exchange routes without setting up bilateral BGP Sessions. Anyone peering with the Route Server will receive all routes of all other route server peers, unless overwritten by a control community.

BGP Session Parameters

Please set up a BGP session to both Route Servers.

RouteServer	IPv4	IPv6	ASN	Max. Prefix IPv4	Max. Prefix IPv6	IRRDB
rs1.s-ix.de	193.138.31.252	2001:7f8:56::1	41139	20000	5000	AS-STUTTGARTIX-RS
rs2.s-ix.de	193.138.31.253	2001:7f8:56::2	41139	20000	5000	AS-STUTTGARTIX-RS

BGP Communities

Control Communities

You can use the following Large Communities to control the Route Server’s behavior:

Statistics

Mon, 01 Jan 0001 00:00:00 +0000

Further Information can be found in our portal.

Day

Week

Month

Year

Note: Stuttgart-IX has been operational since 2005; due to a move, old data could not be migrated