Seattle Internet Exchange (MTU 9000) - SIX Seattle (Jumbo)

United States of America

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

About this IXP

Data last updated November 2025

Capacity at this IXP

3,108 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 9000) - SIX Seattle (Jumbo) 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 left8
New ASNs joined15

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: 54
Canada: 5
Germany: 1
Hong Kong: 1
South Korea: 1

View all countries of registration

Netherlands: 1
Taiwan: 1
Australia: 1
South Africa: 1
China: 1

Types of network at this IXP

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

NSP: 17
Educational/Research: 14
Unknown: 14
Cable/DSL/ISP: 10
Content: 8

View all network types

Route Server: 1
Enterprise: 1
Network Services: 1
Non-Profit: 1

Members peering at the route server

43 / 67

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

60 / 67

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 9000) - SIX Seattle (Jumbo)

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
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: Netherlands 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: United States of America 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: Selective 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: 6	63066	Selective	Yes
AARNet Autonomous system (AS) number: 7575 Type of AS: Educational/Research Peering policy: Selective Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: Australia Total peering locations for this AS: 31	7575	Selective	Yes
Accuris Technologies Primary Autonomous system (AS) number: 52210 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: Canada Total peering locations for this AS: 8	52210	Open	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: 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: 12	53991	Selective	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: South Africa Total peering locations for this AS: 23	328112	Open	Yes
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: United States of America Total peering locations for this AS: 2	6456	Unknown	Yes
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: United States of America 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: United States of America Total peering locations for this AS: 4	23459	Unknown	Yes
Archeo Futurus Autonomous system (AS) number: 36584 Type of AS: Peering policy: Unknown Port speed: 200 Gbps Does this member peer at the route server?: No Country of registration: United States of America Total peering locations for this AS: 3	36584	Unknown	No
Arctic Fox Networks Autonomous system (AS) number: 11611 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: 2	11611	Unknown	Yes
Astute Hosting Autonomous system (AS) number: 54527 Type of AS: Content Peering policy: Open Port speed: 10 Gbps Does this member peer at the route server?: No Country of registration: Canada Total peering locations for this AS: 5	54527	Open	No
Atlantic Metro Autonomous system (AS) number: 29838 Type of AS: NSP Peering policy: Open 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: 15	29838	Open	Yes
Ausra Systems AS400818 Autonomous system (AS) number: 400818 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: 7	400818	Unknown	Yes
Blue Origin Autonomous system (AS) number: 55244 Type of AS: 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: 6	55244	Unknown	Yes
Bytefilter LLC Autonomous system (AS) number: 1002 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: 4	1002	Unknown	Yes
CANARIE Inc Autonomous system (AS) number: 6509 Type of AS: Educational/Research Peering policy: Unknown Port speed: 100 Gbps Does this member peer at the route server?: No Country of registration: Canada Total peering locations for this AS: 9	6509	Unknown	Yes
Cofractal Autonomous system (AS) number: 26073 Type of AS: 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: 7	26073	Open	Yes
Collier Technologies Autonomous system (AS) number: 25819 Type of AS: NSP Peering policy: Unknown 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: 2	25819	Unknown	Yes
CrashPlan Group LLC Autonomous system (AS) number: 62715 Type of AS: Content 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: 6	62715	Unknown	Yes
Cryoflesh Autonomous system (AS) number: 398960 Type of AS: Peering policy: Unknown 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: 2	398960	Unknown	Yes
DANGA INTERACTIVE Autonomous system (AS) number: 32150 Type of AS: Educational/Research 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: 2	32150	Unknown	No
DREN Autonomous system (AS) number: 668 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: 11	668	Unknown	No
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