4b42 Internet Exchange Point

Switzerland

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

About this IXP

Data last updated May 2026

Capacity at this IXP

269 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 May 2026

Members of this IXP

274

ASNs (autonomous system numbers) are listed in PeeringDB

In the last 12 months

  • ASNs left64
  • New ASNs joined27

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: May 2026

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: 24
  • China: 23
  • United Kingdom: 22
  • Netherlands: 16
View all countries of registration
  • France: 13
  • Italy: 13
  • Indonesia: 10
  • Switzerland: 8
  • Ukraine: 7
  • Canada: 7
  • Taiwan: 7
  • Ireland: 6
  • Spain: 5
  • Hong Kong: 4
  • India: 4
  • Brazil: 4
  • Belgium: 4
  • Türkiye: 4
  • Poland: 4
  • Singapore: 3
  • Greece: 3
  • Romania: 3
  • Australia: 3
  • Philippines: 2
  • Argentina: 2
  • Bangladesh: 2
  • Bolivia: 2
  • Czechia: 2
  • Denmark: 2
  • Hungary: 2
  • Japan: 2
  • South Korea: 2
  • Latvia: 2
  • Maldives: 2
  • Sweden: 2
  • Thailand: 2
  • Malaysia: 1
  • Iran: 1
  • Peru: 1
  • Albania: 1
  • Croatia: 1
  • Portugal: 1
  • Guatemala: 1
  • Russia: 1
  • Austria: 1
  • Georgia: 1
  • Virgin Islands (British): 1
  • Egypt: 1
  • Lebanon: 1
  • Lithuania: 1
  • Chile: 1
  • Bulgaria: 1

Types of network at this IXP

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

  • Educational/Research: 119
  • Unknown: 30
  • Non-Profit: 26
  • Cable/DSL/ISP: 24
  • Content: 23
View all network types
  • NSP: 23
  • Enterprise: 19
  • Network Services: 9
  • Route Server: 1

Members peering at the route server

249 / 274

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

232 / 274

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 May 2026

Name AS Number Peering policy RPKI Enabled
Paul-Henri Zimmerlin
  • Autonomous system (AS) number: 206569
  • 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: France
  • Total peering locations for this AS: 1
 206569 Unknown Yes
Peaktera
  • Autonomous system (AS) number: 32931
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 2
 32931 Unknown No
Pemerintah Kabupaten Banjar
  • Autonomous system (AS) number: 138816
  • Type of AS: Non-Profit
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Indonesia
  • Total peering locations for this AS: 2
 138816 Unknown Yes
Phoenix Network
  • Autonomous system (AS) number: 212237
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: China
  • Total peering locations for this AS: 6
 212237 Unknown Yes
Pich Tantichukiatikul
  • Autonomous system (AS) number: 205977
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Thailand
  • Total peering locations for this AS: 1
 205977 Unknown Yes
Poema Network
  • Autonomous system (AS) number: 203472
  • Type of AS:
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Taiwan
  • Total peering locations for this AS: 11
 203472 Unknown Yes
Polish IPv6 Lab
  • Autonomous system (AS) number: 210234
  • Type of AS: Non-Profit
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Georgia
  • Total peering locations for this AS: 1
 210234 Unknown Yes
Pongery AS
  • Autonomous system (AS) number: 200160
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Indonesia
  • Total peering locations for this AS: 6
 200160 Unknown Yes
Potat0 Network
  • Autonomous system (AS) number: 200078
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: China
  • Total peering locations for this AS: 10
 200078 Unknown Yes
Puls Tech
  • Autonomous system (AS) number: 204676
  • Type of AS: Network Services
  • Peering policy: Selective
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Germany
  • Total peering locations for this AS: 12
 204676 Selective Yes
QingYao Decentralized Network
  • Autonomous system (AS) number: 210903
  • Type of AS:
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: China
  • Total peering locations for this AS: 4
 210903 Unknown Yes
R4fo.com Network
  • Autonomous system (AS) number: 214161
  • Type of AS: Educational/Research
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Belgium
  • Total peering locations for this AS: 4
 214161 Open Yes
REDRAY STUDIOS
  • Autonomous system (AS) number: 399196
  • Type of AS:
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 2
 399196 Unknown Yes
REVERZE NETWORKS
  • Autonomous system (AS) number: 198378
  • 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: Netherlands
  • Total peering locations for this AS: 3
 198378 Unknown Yes
RGN
  • Autonomous system (AS) number: 214770
  • Type of AS: Content
  • 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: 2
 214770 Unknown Yes
RUDAKI
  • Autonomous system (AS) number: 211509
  • Type of AS: NSP
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Ukraine
  • Total peering locations for this AS: 5
 211509 Open Yes
Raoul Brouns
  • Autonomous system (AS) number: 215296
  • Type of AS: Educational/Research
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Netherlands
  • Total peering locations for this AS: 16
 215296 Open Yes
Remco van Zuijlen
  • Autonomous system (AS) number: 208717
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Netherlands
  • Total peering locations for this AS: 1
 208717 Unknown No
Riad Vargas
  • Autonomous system (AS) number: 216191
  • Type of AS: Educational/Research
  • Peering policy: No
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Brazil
  • Total peering locations for this AS: 4
 216191 No Yes
Riccardo Zanol
  • Autonomous system (AS) number: 209460
  • Type of AS:
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: No
  • Country of registration: Italy
  • Total peering locations for this AS: 1
 209460 Unknown Yes
Robert Weir
  • Autonomous system (AS) number: 213576
  • Type of AS: Educational/Research
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Ireland
  • Total peering locations for this AS: 23
 213576 Open Yes
Robert van der Meulen
  • Autonomous system (AS) number: 57048
  • Type of AS: Non-Profit
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Netherlands
  • Total peering locations for this AS: 3
 57048 Open Yes
Roman Sartov
  • Autonomous system (AS) number: 207301
  • Type of AS: Network Services
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Ukraine
  • Total peering locations for this AS: 4
 207301 Open Yes
Royfel
  • Autonomous system (AS) number: 138707
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: India
  • Total peering locations for this AS: 1
 138707 Unknown No
Rudolf Maduro
  • Autonomous system (AS) number: 204406
  • 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: Netherlands
  • Total peering locations for this AS: 4
 204406 Unknown Yes