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
Julius Wolff
  • Autonomous system (AS) number: 211688
  • 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: Germany
  • Total peering locations for this AS: 6
 211688 Unknown Yes
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
nonexiste.net
  • Autonomous system (AS) number: 26457
  • Type of AS: Enterprise
  • 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: 4
 26457 Unknown Yes
Johan Hedberg
  • Autonomous system (AS) number: 8949
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Sweden
  • Total peering locations for this AS: 2
 8949 Unknown Yes
WEBCONEX
  • Autonomous system (AS) number: 211448
  • Type of AS: Enterprise
  • 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: 4
 211448 Unknown Yes
Roman Sartov
  • Autonomous system (AS) number: 207301
  • Type of AS: Network Services
  • 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: 4
 207301 Unknown Yes
Air's Project Private Network
  • Autonomous system (AS) number: 142553
  • Type of AS: Non-Profit
  • 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: 18
 142553 Unknown 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
Francesco Masala
  • Autonomous system (AS) number: 212539
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: No
  • Country of registration: Italy
  • Total peering locations for this AS: 1
 212539 Unknown Yes
E-Mouse Karol Urbanowicz
  • Autonomous system (AS) number: 198408
  • Type of AS: NSP
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Poland
  • Total peering locations for this AS: 5
 198408 Unknown Yes
Cyprea
  • Autonomous system (AS) number: 147039
  • Type of AS: Enterprise
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Maldives
  • Total peering locations for this AS: 6
 147039 Unknown Yes
Marius Florian Dumitrascu
  • Autonomous system (AS) number: 59922
  • Type of AS: Non-Profit
  • Peering policy: Unknown
  • Port speed: 0.1 Gbps
  • Does this member peer at the route server?: No
  • Country of registration: Romania
  • Total peering locations for this AS: 2
 59922 Unknown Yes
MieglNet
  • Autonomous system (AS) number: 210951
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Czechia
  • Total peering locations for this AS: 4
 210951 Unknown Yes