Seattle Internet Exchange (MTU 1500) - SIX Seattle

United States of America

City
Seattle
Website
https://www.seattleix.net/

About this IXP

Data last updated December 2025

Capacity at this IXP

24,904 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 Seattle Internet Exchange (MTU 1500) - SIX Seattle as shown in PeeringDB in December 2025

Members of this IXP

370

ASNs (autonomous system numbers) are listed in PeeringDB

In the last 12 months

  • ASNs left28
  • New ASNs joined12

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: December 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: 275
  • Canada: 36
  • United Kingdom: 12
  • Australia: 6
  • Netherlands: 5
View all countries of registration
  • Hong Kong: 4
  • South Korea: 4
  • France: 3
  • New Zealand: 2
  • Singapore: 2
  • Germany: 2
  • Switzerland: 2
  • Philippines: 2
  • Indonesia: 2
  • Japan: 2
  • Israel: 1
  • Taiwan: 1
  • Luxembourg: 1
  • Estonia: 1
  • Belgium: 1
  • Romania: 1
  • Guam: 1
  • South Africa: 1
  • China: 1
  • Czechia: 1
  • Sweden: 1

Types of network at this IXP

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

  • NSP: 102
  • Cable/DSL/ISP: 98
  • Content: 74
  • Unknown: 32
  • Educational/Research: 26
View all network types
  • Enterprise: 15
  • Non-Profit: 11
  • Network Services: 9
  • Government: 2
  • Route Server: 1

Members peering at the route server

264 / 370

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

297 / 370

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 Seattle Internet Exchange (MTU 1500) - SIX Seattle

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

Name AS Number Peering policy RPKI Enabled
Electric Lightwave
  • Autonomous system (AS) number: 7385
  • 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: 1
 7385 Unknown Yes
Elevate Technology Group
  • Autonomous system (AS) number: 26038
  • Type of AS: NSP
  • 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: 3
 26038 Unknown Yes
Emerald Onion
  • Autonomous system (AS) number: 396507
  • Type of AS: NSP
  • 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: 3
 396507 Unknown Yes
Energy Sciences Network (ESnet)
  • Autonomous system (AS) number: 293
  • Type of AS: Educational/Research
  • Peering policy: Selective
  • Port speed: 100 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 9
 293 Selective Yes
Equinix Metal
  • Autonomous system (AS) number: 54825
  • Type of AS: Content
  • Peering policy: Open
  • Port speed: 100 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 38
 54825 Open Yes
ETS TELECOM
  • Autonomous system (AS) number: 18914
  • Type of AS: Network Services
  • Peering policy: Unknown
  • Port speed: 100 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 2
 18914 Unknown Yes
Everythink
  • Autonomous system (AS) number: 54632
  • Type of AS: Content
  • Peering policy: Unknown
  • Port speed: 10 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Canada
  • Total peering locations for this AS: 2
 54632 Unknown Yes
Evocative Global
  • Autonomous system (AS) number: 4213
  • Type of AS: NSP
  • Peering policy: Unknown
  • Port speed: 200 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 11
 4213 Unknown Yes
Expereo International bv
  • Autonomous system (AS) number: 15695
  • Type of AS: NSP
  • Peering policy: Open
  • Port speed: 10 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Netherlands
  • Total peering locations for this AS: 33
 15695 Open Yes
F5 Inc.
  • Autonomous system (AS) number: 35280
  • Type of AS: Content
  • Peering policy: Unknown
  • Port speed: 100 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: France
  • Total peering locations for this AS: 63
 35280 Unknown Yes
Fastly, Inc.
  • Autonomous system (AS) number: 54113
  • Type of AS: Content
  • Peering policy: Unknown
  • Port speed: 400 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 139
 54113 Unknown Yes
Fastrack Technology
  • Autonomous system (AS) number: 58580
  • Type of AS: NSP
  • Peering policy: Unknown
  • Port speed: 10 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Australia
  • Total peering locations for this AS: 10
 58580 Unknown Yes
Fatbeam
  • Autonomous system (AS) number: 55039
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Port speed: 100 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 3
 55039 Unknown Yes
Fiberhub
  • Autonomous system (AS) number: 53340
  • Type of AS: Content
  • 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: 3
 53340 Unknown Yes
FibreTel Networks
  • Autonomous system (AS) number: 399116
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Port speed: 20 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Canada
  • Total peering locations for this AS: 2
 399116 Unknown No
FireServe, LLC
  • Autonomous system (AS) number: 25905
  • 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
 25905 Unknown No
FirstDigital AS13415
  • Autonomous system (AS) number: 13415
  • Type of AS:
  • Peering policy: Open
  • Port speed: 100 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 5
 13415 Open Yes
First Step Internet
  • Autonomous system (AS) number: 23138
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Port speed: 20 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 1
 23138 Unknown No
FogNet - iFog GmbH
  • Autonomous system (AS) number: 34927
  • Type of AS: NSP
  • Peering policy: Open
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Switzerland
  • Total peering locations for this AS: 49
 34927 Open Yes
Free Range Cloud Hosting Inc
  • Autonomous system (AS) number: 53356
  • Type of AS: NSP
  • Peering policy: Unknown
  • Speed: Unknown
  • Does this member peer at the route server?: Yes
  • Country of registration: Canada
  • Total peering locations for this AS: 10
 53356 Unknown Yes
Frontier Networks
  • Autonomous system (AS) number: 7311
  • Type of AS: NSP
  • Peering policy: Unknown
  • Port speed: 1 Gbps
  • Does this member peer at the route server?: No
  • Country of registration: Canada
  • Total peering locations for this AS: 5
 7311 Unknown Yes
FYBERCOM
  • Autonomous system (AS) number: 394449
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Unknown
  • Port speed: 100 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 2
 394449 Unknown Yes
Gcore
  • Autonomous system (AS) number: 199524
  • Type of AS: Content
  • Peering policy: Selective
  • Port speed: 100 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Luxembourg
  • Total peering locations for this AS: 100
 199524 Selective Yes
General Communications Incorp
  • Autonomous system (AS) number: 8047
  • Type of AS: NSP
  • Peering policy: Unknown
  • Port speed: 200 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: United States of America
  • Total peering locations for this AS: 1
 8047 Unknown Yes
GENESIS TECHNOLOGY COMMUNICATION
  • Autonomous system (AS) number: 30032
  • Type of AS:
  • 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: 6
 30032 Unknown No