4b42 Internet Exchange Point

Switzerland

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

About this IXP

Data last updated February 2026

Capacity at this IXP

285 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 February 2026

Members of this IXP

288

ASNs (autonomous system numbers) are listed in PeeringDB

In the last 12 months

  • ASNs left77
  • 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: February 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
  • China: 25
  • United States of America: 25
  • United Kingdom: 23
  • Netherlands: 16
View all countries of registration
  • France: 15
  • Italy: 13
  • Indonesia: 10
  • Ukraine: 9
  • Switzerland: 8
  • Taiwan: 7
  • Canada: 7
  • Ireland: 6
  • Spain: 5
  • Romania: 4
  • India: 4
  • Brazil: 4
  • Hong Kong: 4
  • Poland: 4
  • Australia: 4
  • Türkiye: 4
  • Belgium: 4
  • Hungary: 3
  • Greece: 3
  • Singapore: 3
  • South Korea: 2
  • Bolivia: 2
  • Latvia: 2
  • Philippines: 2
  • Japan: 2
  • Thailand: 2
  • Denmark: 2
  • Czechia: 2
  • Austria: 2
  • Argentina: 2
  • Maldives: 2
  • Sweden: 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
  • Israel: 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: 35
  • Non-Profit: 27
  • Cable/DSL/ISP: 26
  • NSP: 24
View all network types
  • Content: 22
  • Enterprise: 20
  • Network Services: 9
  • Route Server: 1

Members peering at the route server

262 / 288

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

235 / 288

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 February 2026

Name AS Number Peering policy RPKI Enabled
Leonardo de Souza Rodrigues
  • Autonomous system (AS) number: 204374
  • Type of AS: NSP
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Brazil
  • Total peering locations for this AS: 10
 204374 Unknown Yes
BILLY Remi
  • Autonomous system (AS) number: 204186
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: France
  • Total peering locations for this AS: 1
 204186 Unknown Yes
Jianfeng Ren
  • Autonomous system (AS) number: 200890
  • Type of AS:
  • Peering policy: Unknown
  • Port speed: 0.1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: China
  • Total peering locations for this AS: 4
 200890 Unknown Yes
Lars Ewald
  • Autonomous system (AS) number: 200372
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: No
  • Country of registration: Germany
  • Total peering locations for this AS: 8
 200372 Unknown Yes
HELMICH NET
  • Autonomous system (AS) number: 209164
  • 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
 209164 Unknown Yes
Junxiao Shi
  • Autonomous system (AS) number: 200690
  • Type of AS: Educational/Research
  • 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: 5
 200690 Unknown Yes
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
Graham Hayes
  • Autonomous system (AS) number: 206290
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Ireland
  • Total peering locations for this AS: 2
 206290 Unknown Yes
Mario Enrique Lopez Guzman
  • Autonomous system (AS) number: 211604
  • Type of AS: Non-Profit
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Guatemala
  • Total peering locations for this AS: 6
 211604 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
WURZELLOS
  • Autonomous system (AS) number: 210562
  • 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: 5
 210562 Unknown Yes
tzepesh
  • Autonomous system (AS) number: 209652
  • Type of AS: Non-Profit
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Romania
  • Total peering locations for this AS: 4
 209652 Unknown Yes
Ismael-Balthazar Ouchebouq
  • Autonomous system (AS) number: 47157
  • Type of AS: Non-Profit
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: France
  • Total peering locations for this AS: 3
 47157 Unknown Yes
Giannis Kontos
  • Autonomous system (AS) number: 202224
  • 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: Greece
  • Total peering locations for this AS: 4
 202224 Unknown Yes
MARQUES
  • Autonomous system (AS) number: 210013
  • Type of AS:
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: No
  • Country of registration: France
  • Total peering locations for this AS: 3
 210013 Unknown Yes
Mactel
  • Autonomous system (AS) number: 142381
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Port speed: 0.1 Gbps
  • Does this member peer at the route server?: No
  • Country of registration: Indonesia
  • Total peering locations for this AS: 1
 142381 Unknown Yes
Tsukudani Network
  • Autonomous system (AS) number: 150325
  • Type of AS: Non-Profit
  • Peering policy: Unknown
  • Port speed: 0.1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United Kingdom
  • Total peering locations for this AS: 7
 150325 Unknown Yes
KSM-Net
  • Autonomous system (AS) number: 210888
  • Type of AS:
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Germany
  • Total peering locations for this AS: 2
 210888 Unknown No
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
Adrian Trifonov
  • Autonomous system (AS) number: 199177
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Canada
  • Total peering locations for this AS: 3
 199177 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
Arjen Essink
  • Autonomous system (AS) number: 199183
  • Type of AS: Non-Profit
  • 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: 7
 199183 Unknown Yes
Mykola Turskyi
  • Autonomous system (AS) number: 198942
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Ukraine
  • Total peering locations for this AS: 2
 198942 Unknown No
Daniil Gentili
  • Autonomous system (AS) number: 198747
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Italy
  • Total peering locations for this AS: 2
 198747 Unknown Yes
MLGT
  • Autonomous system (AS) number: 204508
  • Type of AS: Enterprise
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Italy
  • Total peering locations for this AS: 17
 204508 Unknown Yes