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
Florian Martin Esser
  • Autonomous system (AS) number: 209859
  • Type of AS: Non-Profit
  • 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: 5
 209859 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
FSIT AG
  • Autonomous system (AS) number: 59891
  • Type of AS: Content
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Switzerland
  • Total peering locations for this AS: 8
 59891 Unknown Yes
Fubuki Network
  • Autonomous system (AS) number: 212425
  • Type of AS: Educational/Research
  • 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: 6
 212425 Unknown Yes
Gaetan Ferez
  • Autonomous system (AS) number: 212783
  • 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: 2
 212783 Unknown Yes
Gentlent GmbH
  • Autonomous system (AS) number: 52112
  • Type of AS: Content
  • 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: 42
 52112 Open 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
Giuseppe Augiero
  • Autonomous system (AS) number: 204611
  • 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: 3
 204611 Unknown Yes
Gonzalo-Ferrera-Borras
  • Autonomous system (AS) number: 213716
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: No
  • Country of registration: Spain
  • Total peering locations for this AS: 3
 213716 Unknown No
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
Gransy s.r.o. - anycastdns.cz
  • Autonomous system (AS) number: 60592
  • Type of AS: Content
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Czechia
  • Total peering locations for this AS: 6
 60592 Unknown Yes
Gregory Shapiro
  • Autonomous system (AS) number: 199518
  • Type of AS: Educational/Research
  • Peering policy: Open
  • 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: 14
 199518 Open Yes
GTDev Network
  • Autonomous system (AS) number: 139589
  • 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: 7
 139589 Unknown Yes
GTDev Network RIPE
  • Autonomous system (AS) number: 208127
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: China
  • Total peering locations for this AS: 1
 208127 Unknown No
Haraguroicha Legacy Internet Service
  • Autonomous system (AS) number: 212359
  • Type of AS: Educational/Research
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Taiwan
  • Total peering locations for this AS: 1
 212359 Unknown Yes
HEIJKOOP
  • Autonomous system (AS) number: 214723
  • Type of AS: Educational/Research
  • 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: 4
 214723 Unknown Yes
Hellomouse
  • Autonomous system (AS) number: 204446
  • Type of AS:
  • 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: 2
 204446 Unknown No
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
Hop179
  • Autonomous system (AS) number: 11967
  • Type of AS: NSP
  • Peering policy: Open
  • 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: 16
 11967 Open Yes
Hoshi Network
  • Autonomous system (AS) number: 134666
  • 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: 3
 134666 Unknown Yes
Hostingstudio AS59570
  • Autonomous system (AS) number: 59570
  • Type of AS: Content
  • 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: 11
 59570 Unknown Yes
HOTARU NETWORK
  • Autonomous system (AS) number: 200455
  • Type of AS: Educational/Research
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: No
  • Country of registration: United Kingdom
  • Total peering locations for this AS: 8
 200455 Open Yes
HWSL - B00B
  • Autonomous system (AS) number: 212149
  • 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: 3
 212149 Unknown No
Hyper Group Global Communication
  • Autonomous system (AS) number: 216324
  • Type of AS: NSP
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United Kingdom
  • Total peering locations for this AS: 13
 216324 Open Yes
ILHAM MAULANA
  • Autonomous system (AS) number: 203686
  • 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: 8
 203686 Unknown Yes