Seattle Internet Exchange (MTU 1500) - SIX Seattle

United States of America

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

About this IXP

Data last updated May 2026

Capacity at this IXP

28,265 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 May 2026

Members of this IXP

371

ASNs (autonomous system numbers) are listed in PeeringDB

In the last 12 months

  • ASNs left22
  • New ASNs joined23

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: May 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.

  • United States of America: 275
  • Canada: 36
  • United Kingdom: 9
  • Australia: 6
  • Hong Kong: 5
View all countries of registration
  • Netherlands: 5
  • South Korea: 4
  • France: 3
  • Singapore: 3
  • Indonesia: 2
  • Switzerland: 2
  • New Zealand: 2
  • Germany: 2
  • Japan: 2
  • Philippines: 2
  • Luxembourg: 1
  • Isle of Man: 1
  • South Africa: 1
  • Israel: 1
  • Saudi Arabia: 1
  • Belgium: 1
  • Estonia: 1
  • Guam: 1
  • China: 1
  • Czechia: 1
  • Sweden: 1
  • Seychelles: 1
  • Taiwan: 1

Types of network at this IXP

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

  • NSP: 106
  • Cable/DSL/ISP: 98
  • Content: 71
  • Unknown: 32
  • Educational/Research: 25
View all network types
  • Enterprise: 16
  • Non-Profit: 11
  • Network Services: 9
  • Government: 2
  • Route Server: 1

Members peering at the route server

266 / 371

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

301 / 371

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 May 2026

Name AS Number Peering policy RPKI Enabled
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: NSP
  • 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: 10
 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: 36
 54825 Open 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 No
Evocative Global
  • Autonomous system (AS) number: 4213
  • Type of AS: NSP
  • Peering policy: Open
  • 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 Open 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: 25
 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: 65
 35280 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
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: 146
 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: 9
 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: Open
  • 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: 2
 53340 Open Yes
FibreTel Networks
  • Autonomous system (AS) number: 399116
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Open
  • 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 Open Yes
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
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
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
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: 54
 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: 9
 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
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
GFiber | Webpass
  • Autonomous system (AS) number: 19165
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Open
  • Port speed: 100 Gbps
  • Does this member peer at the route server?: No
  • Country of registration: United States of America
  • Total peering locations for this AS: 7
 19165 Open Yes
GMCHOSTING
  • Autonomous system (AS) number: 19186
  • 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: 4
 19186 Unknown Yes
GTA/Teleguam Holdings, LLC
  • Autonomous system (AS) number: 9246
  • Type of AS: Cable/DSL/ISP
  • Peering policy: Open
  • Port speed: 10 Gbps
  • Does this member peer at the route server?: Yes
  • Country of registration: Guam
  • Total peering locations for this AS: 4
 9246 Open Yes
GTHost
  • Autonomous system (AS) number: 63023
  • 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: 19
 63023 Open Yes