Madison Internet Exchange - MadIX

United States of America

City: Madison
Website: http://kb.wisc.edu/ns/page.php?id=6636

About this IXP

Data last updated November 2025

Capacity at this IXP

182 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 Madison Internet Exchange - MadIX as shown in PeeringDB in November 2025

Members of this IXP

ASNs (autonomous system numbers) are listed in PeeringDB

In the last 12 months

ASNs left0
New ASNs joined0

Participates in the MANRS IXP program

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

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: November 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.

United States of America: 16

Types of network at this IXP

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

Cable/DSL/ISP: 7
Educational/Research: 3
NSP: 3
Content: 2
Unknown: 1

Members peering at the route server

1 / 16

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

13 / 16

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 Madison Internet Exchange - MadIX

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

Name	AS Number	Peering policy	RPKI Enabled
20C AS35848 Autonomous system (AS) number: 35848 Type of AS: Peering policy: Unknown Port speed: 20 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 1	35848	Unknown	Yes
5NINES, LLC Autonomous system (AS) number: 16842 Type of AS: Cable/DSL/ISP Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 1	16842	Unknown	No
Berbee Information Networks Corporation Autonomous system (AS) number: 3599 Type of AS: Content Peering policy: Unknown Port speed: 0.5 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 1	3599	Unknown	No
Hoyos Consulting Autonomous system (AS) number: 53597 Type of AS: NSP Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 12	53597	Unknown	Yes
Hurricane Electric Autonomous system (AS) number: 6939 Type of AS: NSP Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 323	6939	Unknown	Yes
LiteWire Internet Services Autonomous system (AS) number: 32003 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: United States of America Total peering locations for this AS: 1	32003	Unknown	Yes
Minnesota VoIP Autonomous system (AS) number: 32621 Type of AS: Content Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 9	32621	Unknown	Yes
Netwurx Autonomous system (AS) number: 26785 Type of AS: Cable/DSL/ISP Peering policy: Unknown Port speed: 1 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 2	26785	Unknown	No
SupraNet Communications Autonomous system (AS) number: 4150 Type of AS: Cable/DSL/ISP Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 7	4150	Unknown	Yes
TDS Telecom Autonomous system (AS) number: 4181 Type of AS: Cable/DSL/ISP Peering policy: Unknown Port speed: 20 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 9	4181	Unknown	Yes
University of Wisconsin - Madison Autonomous system (AS) number: 59 Type of AS: Educational/Research Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 1	59	Unknown	Yes
University of Wisconsin System Autonomous system (AS) number: 3128 Type of AS: Educational/Research Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 3	3128	Unknown	Yes
Upnetwi Autonomous system (AS) number: 398310 Type of AS: Cable/DSL/ISP Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 1	398310	Unknown	Yes
US Signal Autonomous system (AS) number: 26554 Type of AS: NSP Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 7	26554	Unknown	Yes
WIN Technology Autonomous system (AS) number: 11796 Type of AS: Cable/DSL/ISP Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 5	11796	Unknown	Yes
WiscNet Autonomous system (AS) number: 2381 Type of AS: Educational/Research Peering policy: Open Port speed: 30 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 5	2381	Open	Yes