Seattle Internet Exchange (MTU 1500) - SIX Seattle

United States of America

Ville: Seattle
Site Web: https://www.seattleix.net/

About this IXP

Data last updated Novembre 2025

Capacity at this IXP

25 004 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 Novembre 2025

Members of this IXP

370

ASNs (autonomous system numbers) are listed in PeeringDB

In the last 12 months

ASNs left30
New ASNs joined12

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: Novembre 2025

View this IXP on PeeringDB

Pays d’enregistrement

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.

États-Unis d'Amérique: 275
Canada: 36
Royaume-Uni: 12
Australie: 6
Pays-Bas: 5

View all countries of registration

Hong Kong: 4
Corée du Sud: 4
France: 3
Nouvelle-Zélande: 2
Singapour: 2
Allemagne: 2
Suisse: 2
Philippines: 2
Indonésie: 2
Japon: 2
Israël: 1
Taïwan: 1
Luxembourg: 1
Estonie: 1
Belgique: 1
Roumanie: 1
Guam: 1
Afrique du Sud: 1
Chine: 1
République tchèque: 1
Suède: 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: 25

View all network types

Enterprise: 15
Non-Profit: 11
Network Services: 9
Government: 3
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 Novembre 2025

Nom	AS Number	Peering policy	RPKI Enabled
0xDEADBEEF AS60326 Autonomous system (AS) number: 60326 Type of AS: Educational/Research Peering policy: Open Port speed: 10 Gbps Does this member peer at the route server?: Yes Country of registration: Royaume-Uni Total peering locations for this AS: 13	60326	Open	Yes
215248 - Bastiaan Mathijs Brink Autonomous system (AS) number: 215248 Type of AS: Peering policy: Open Port speed: 10 Gbps Does this member peer at the route server?: Yes Country of registration: Pays-Bas Total peering locations for this AS: 52	215248	Open	Yes
617A Corporation Autonomous system (AS) number: 399135 Type of AS: Peering policy: Unknown Speed: Unknown Does this member peer at the route server?: No Country of registration: États-Unis d'Amérique Total peering locations for this AS: 3	399135	Unknown	Yes
7Hoop Network Telecom, LLC Autonomous system (AS) number: 63066 Type of AS: Cable/DSL/ISP Peering policy: Open Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: États-Unis d'Amérique Total peering locations for this AS: 6	63066	Open	Yes
AARNet Autonomous system (AS) number: 7575 Type of AS: Educational/Research Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: Yes Country of registration: Australie Total peering locations for this AS: 31	7575	Unknown	Yes
Accel Net Autonomous system (AS) number: 18647 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: États-Unis d'Amérique Total peering locations for this AS: 1	18647	Unknown	Yes
Access Communications Co-operative Autonomous system (AS) number: 21804 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: Canada Total peering locations for this AS: 3	21804	Unknown	Yes
Accuris Technologies Primary Autonomous system (AS) number: 52210 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: Canada Total peering locations for this AS: 8	52210	Unknown	Yes
Accutar Canada Autonomous system (AS) number: 1011 Type of AS: Enterprise 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: 3	1011	Unknown	Yes
Acronis AMER Autonomous system (AS) number: 53991 Type of AS: Peering policy: Unknown Port speed: 100 Gbps Does this member peer at the route server?: Yes Country of registration: États-Unis d'Amérique Total peering locations for this AS: 21	53991	Unknown	Yes
Adobe Systems Autonomous system (AS) number: 15224 Type of AS: Content Peering policy: Unknown Port speed: 200 Gbps Does this member peer at the route server?: No Country of registration: États-Unis d'Amérique Total peering locations for this AS: 6	15224	Unknown	Yes
Advanced Communications Technology Autonomous system (AS) number: 30110 Type of AS: NSP Peering policy: Unknown Port speed: 100 Gbps Does this member peer at the route server?: Yes Country of registration: États-Unis d'Amérique Total peering locations for this AS: 3	30110	Unknown	Yes
AEBC Internet Corp. Autonomous system (AS) number: 25668 Type of AS: NSP Peering policy: Unknown Port speed: 100 Gbps Does this member peer at the route server?: Yes Country of registration: Canada Total peering locations for this AS: 3	25668	Unknown	Yes
AirBridge Broadband Autonomous system (AS) number: 27578 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: États-Unis d'Amérique Total peering locations for this AS: 1	27578	Unknown	Yes
Akamai Technologies Autonomous system (AS) number: 20940 Type of AS: Content Peering policy: Open Port speed: 600 Gbps Does this member peer at the route server?: Yes Country of registration: Pays-Bas Total peering locations for this AS: 230	20940	Open	Yes
Akari Networks Limited Autonomous system (AS) number: 38136 Type of AS: Peering policy: Unknown Port speed: 1 Gbps Does this member peer at the route server?: Yes Country of registration: Hong Kong Total peering locations for this AS: 1	38136	Unknown	Yes
Alaska Communications Systems Group, Inc. Autonomous system (AS) number: 7782 Type of AS: NSP Peering policy: Unknown Port speed: 60 Gbps Does this member peer at the route server?: Yes Country of registration: États-Unis d'Amérique Total peering locations for this AS: 3	7782	Unknown	Yes
Allwire Technologies LLC Autonomous system (AS) number: 29769 Type of AS: Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: États-Unis d'Amérique Total peering locations for this AS: 1	29769	Unknown	Yes
AllWorldIT ZA Autonomous system (AS) number: 328112 Type of AS: NSP Peering policy: Open Port speed: 10 Gbps Does this member peer at the route server?: Yes Country of registration: Afrique du Sud Total peering locations for this AS: 23	328112	Open	Yes
Altius Institute for Biomedical Sciences Autonomous system (AS) number: 395664 Type of AS: Educational/Research Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: États-Unis d'Amérique Total peering locations for this AS: 1	395664	Unknown	No
Altopia Corporation Autonomous system (AS) number: 6456 Type of AS: Content Peering policy: Unknown Port speed: 40 Gbps Does this member peer at the route server?: Yes Country of registration: États-Unis d'Amérique Total peering locations for this AS: 2	6456	Unknown	Yes
Amazon.com Autonomous system (AS) number: 16509 Type of AS: Enterprise Peering policy: Selective Port speed: 1,400 Gbps Does this member peer at the route server?: No Country of registration: États-Unis d'Amérique Total peering locations for this AS: 152	16509	Selective	Yes
AMERICOM NETWORKS Autonomous system (AS) number: 399503 Type of AS: Cable/DSL/ISP Peering policy: Selective Speed: Unknown Does this member peer at the route server?: No Country of registration: États-Unis d'Amérique Total peering locations for this AS: 6	399503	Selective	No
Andromeda Industries Autonomous system (AS) number: 401361 Type of AS: Content Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: Yes Country of registration: États-Unis d'Amérique Total peering locations for this AS: 2	401361	Unknown	Yes
APPLEBEE-NETWORKS Autonomous system (AS) number: 23459 Type of AS: Peering policy: Unknown Port speed: 10 Gbps Does this member peer at the route server?: Yes Country of registration: États-Unis d'Amérique Total peering locations for this AS: 4	23459	Unknown	Yes
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