4b42 Internet Exchange Point

Switzerland

City
Zurich
Website
https://www.4ixp.com

About this IXP

Data last updated December 2025

Capacity at this IXP

292 Gbps

Cumulative port speeds of all IXP members. This shows the potential maximum traffic that can be exchanged at this IXP at one time.

Membership and capacity

The size and strength of an IXP is determined by a combination of how many members it has, and the total capacity. Larger networks tend to bring more capacity, which can benefit all members.

Data for 4b42 Internet Exchange Point as shown in PeeringDB in December 2025

Members of this IXP

289

ASNs (autonomous system numbers) are listed in PeeringDB

In the last 12 months

  • ASNs left87
  • New ASNs joined37

Participates in the MANRS IXP program

No

IXPs that join this voluntary program apply a framework of enhanced routing security in peering. It signals an extra commitment to responsible Internet stewardship.

Source: MANRS

RIPE Atlas anchor

No

Organizations that run IXPs can host anchors to measure Internet connectivity and traffic. An anchor is a large capacity probe often used by IXPs.

Source: RIPEStat

Member information

Last sync from PeeringDB: December 2025

View this IXP on PeeringDB

Countries of registration

A summary of member registrations by country. An IXP with a mixture of international and near-neighbor members can indicate that an IXP is influential, or acts as a hub within its region or sub-region.

  • Germany: 35
  • United States of America: 26
  • China: 24
  • United Kingdom: 22
  • France: 15
View all countries of registration
  • Netherlands: 15
  • Italy: 12
  • Indonesia: 10
  • Switzerland: 8
  • Ukraine: 8
  • Canada: 7
  • Taiwan: 7
  • Romania: 6
  • Ireland: 6
  • Spain: 5
  • Belgium: 5
  • Türkiye: 4
  • India: 4
  • Australia: 4
  • Hong Kong: 4
  • Brazil: 4
  • Hungary: 3
  • Greece: 3
  • Czechia: 3
  • Singapore: 3
  • Poland: 3
  • South Korea: 3
  • Philippines: 2
  • Argentina: 2
  • Latvia: 2
  • Denmark: 2
  • Bolivia: 2
  • Thailand: 2
  • Japan: 2
  • Sweden: 2
  • Maldives: 2
  • Austria: 2
  • Israel: 2
  • Nepal: 1
  • Chile: 1
  • Georgia: 1
  • Egypt: 1
  • Lithuania: 1
  • Bangladesh: 1
  • Albania: 1
  • Guatemala: 1
  • Peru: 1
  • Iran: 1
  • Malaysia: 1
  • Russia: 1
  • Virgin Islands (British): 1
  • Lebanon: 1
  • Portugal: 1
  • Bulgaria: 1
  • Iceland: 1
  • Croatia: 1

Types of network at this IXP

The mix of members is an indication of a strength or focus of an IXP.

  • Educational/Research: 124
  • Unknown: 36
  • Cable/DSL/ISP: 29
  • Non-Profit: 28
  • Content: 22
View all network types
  • NSP: 21
  • Enterprise: 19
  • Network Services: 9
  • Route Server: 1

Members peering at the route server

263 / 289

The route server is a central hub that makes it easier for all networks to peer without having to create individual agreements with other members.

Members using RPKI

239 / 289

members at this IXP use Resource Public Key Infrastructure (RPKI), a security measure that helps ensure traffic is routed correctly. A member is counted as using RPKI if they have at least one valid ROA.

Peering policies of IXP members

Members of an IXP can choose how they peer with others. The Internet Society encourages open policies where possible.

Member list for 4b42 Internet Exchange Point

This list uses the data available in PeeringDB, which is based on self-reported data, and was last updated in Pulse December 2025

Name AS Number Peering policy RPKI Enabled
Schleyer-EDV UG
  • Autonomous system (AS) number: 215147
  • Type of AS: NSP
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Germany
  • Total peering locations for this AS: 15
 215147 Open Yes
sclrnet.com
  • Autonomous system (AS) number: 212034
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 0.1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Canada
  • Total peering locations for this AS: 9
 212034 Unknown Yes
Securebit AG
  • Autonomous system (AS) number: 58057
  • Type of AS: NSP
  • Peering policy: Unknown
  • Port speed: 20 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Switzerland
  • Total peering locations for this AS: 16
 58057 Unknown Yes
Securebit [Europe]
  • Autonomous system (AS) number: 34800
  • Type of AS:
  • Peering policy: Unknown
  • Port speed: 20 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Switzerland
  • Total peering locations for this AS: 9
 34800 Unknown Yes
SHADOWRHYTHM
  • Autonomous system (AS) number: 200754
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: United Kingdom
  • Total peering locations for this AS: 7
 200754 Unknown Yes
Shane Renshaw
  • Autonomous system (AS) number: 149500
  • Type of AS:
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Hong Kong
  • Total peering locations for this AS: 9
 149500 Unknown Yes
Shirakami Fubuki Network
  • Autonomous system (AS) number: 138919
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Hong Kong
  • Total peering locations for this AS: 1
 138919 Unknown No
Simon Brecht
  • Autonomous system (AS) number: 212415
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Germany
  • Total peering locations for this AS: 2
 212415 Unknown Yes
Simplysoft
  • Autonomous system (AS) number: 57521
  • Type of AS:
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Switzerland
  • Total peering locations for this AS: 3
 57521 Unknown Yes
SinovaTec
  • Autonomous system (AS) number: 198603
  • Type of AS:
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Austria
  • Total peering locations for this AS: 10
 198603 Unknown No
Sndc Communication
  • Autonomous system (AS) number: 142419
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Netherlands
  • Total peering locations for this AS: 4
 142419 Unknown No
Ssmidge Technologies
  • Autonomous system (AS) number: 60900
  • Type of AS: NSP
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Canada
  • Total peering locations for this AS: 16
 60900 Open Yes
Starina Inc
  • Autonomous system (AS) number: 214643
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 8
 214643 Unknown No
Starlamp Network Project
  • Autonomous system (AS) number: 214675
  • Type of AS: Educational/Research
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Japan
  • Total peering locations for this AS: 12
 214675 Open Yes
Stefan Blomme
  • Autonomous system (AS) number: 207537
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Belgium
  • Total peering locations for this AS: 7
 207537 Unknown Yes
Stefan Dunkel
  • Autonomous system (AS) number: 48646
  • Type of AS: NSP
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Germany
  • Total peering locations for this AS: 8
 48646 Unknown Yes
STERLY VERI MERKEZI YAZILIM VE SIBER GUVENLIK HIZMETLERI
  • Autonomous system (AS) number: 204843
  • Type of AS: Enterprise
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: No
  • Country of registration: Türkiye
  • Total peering locations for this AS: 1
 204843 Unknown No
Strategic Explorations
  • Autonomous system (AS) number: 207268
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United Kingdom
  • Total peering locations for this AS: 16
 207268 Unknown Yes
stypr
  • Autonomous system (AS) number: 400671
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 0.1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 3
 400671 Unknown Yes
Sumber Teknologi Sejahtera
  • Autonomous system (AS) number: 139947
  • Type of AS: Content
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: No
  • Country of registration: Indonesia
  • Total peering locations for this AS: 3
 139947 Unknown No
Svens Jansons
  • Autonomous system (AS) number: 200676
  • Type of AS:
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Latvia
  • Total peering locations for this AS: 3
 200676 Unknown Yes
Techies365
  • Autonomous system (AS) number: 401106
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 2
 401106 Unknown Yes
TecnoWeb
  • Autonomous system (AS) number: 64114
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Port speed: 10 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Peru
  • Total peering locations for this AS: 7
 64114 Unknown Yes
Thomas Rogdakis
  • Autonomous system (AS) number: 211275
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Greece
  • Total peering locations for this AS: 6
 211275 Unknown Yes
Tobias Schramm
  • Autonomous system (AS) number: 208340
  • Type of AS: Non-Profit
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Germany
  • Total peering locations for this AS: 1
 208340 Unknown Yes