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
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
GoCodeIT AS835 Autonomous system (AS) number: 835 Type of AS: 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: 11	835	Open	Yes
Haruue Network Limited Autonomous system (AS) number: 146950 Type of AS: Educational/Research Peering policy: Unknown Port speed: 1 Gbps Does this member peer at the route server?: No Country of registration: Hong Kong Total peering locations for this AS: 5	146950	Unknown	Yes
HOOP7NETWORK Autonomous system (AS) number: 216440 Type of AS: Network Services 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	216440	Unknown	Yes
Hoyos Consulting Autonomous system (AS) number: 53597 Type of AS: NSP 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: 12	53597	Unknown	Yes
Hurricane Electric Autonomous system (AS) number: 6939 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: 323	6939	Unknown	Yes
HYEHOST Autonomous system (AS) number: 47272 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: 15	47272	Open	Yes
Idaho Regional Optical Network Autonomous system (AS) number: 46435 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: 2	46435	Unknown	Yes
imput Autonomous system (AS) number: 16909 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	16909	Unknown	Yes
Internet2 I2PX Autonomous system (AS) number: 11164 Type of AS: Educational/Research Peering policy: Unknown 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: 12	11164	Unknown	Yes
Kawaii Networks Autonomous system (AS) number: 27523 Type of AS: NSP 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: 7	27523	Open	Yes
KPU Telecom Autonomous system (AS) number: 32204 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: 2	32204	Unknown	No
Macarne - AS64289 Autonomous system (AS) number: 64289 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: 26	64289	Unknown	Yes
MIDnet Autonomous system (AS) number: 16970 Type of AS: 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: 8	16970	Open	Yes
Misaka.io Autonomous system (AS) number: 917 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: 21	917	Unknown	Yes
Montana Opticom AS11924 Autonomous system (AS) number: 11924 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: 2	11924	Unknown	Yes
Mountain West Technologies AS10947 Autonomous system (AS) number: 10947 Type of AS: Cable/DSL/ISP Peering policy: Unknown 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: 3	10947	Unknown	Yes
Muilties Network Autonomous system (AS) number: 205329 Type of AS: Educational/Research Peering policy: Open Port speed: 10 Gbps Does this member peer at the route server?: Yes Country of registration: Taiwan Total peering locations for this AS: 17	205329	Open	Yes
Nathan Sales Autonomous system (AS) number: 34553 Type of AS: Educational/Research 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: 10	34553	Unknown	Yes
Nato Internet Service Autonomous system (AS) number: 46997 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: 8	46997	Unknown	Yes
OneCubit Autonomous system (AS) number: 149522 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: South Korea Total peering locations for this AS: 8	149522	Unknown	Yes
Pacific Northwest Gigapop Autonomous system (AS) number: 101 Type of AS: Educational/Research 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: 6	101	Open	Yes
PCH AS42 Autonomous system (AS) number: 42 Type of AS: Educational/Research 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: 322	42	Open	Yes
Pomona Consulting AS398223 Autonomous system (AS) number: 398223 Type of AS: Peering policy: Open Port speed: 30 Gbps Does this member peer at the route server?: Yes Country of registration: United States of America Total peering locations for this AS: 3	398223	Open	Yes
Pudu, LLC Autonomous system (AS) number: 47689 Type of AS: Non-Profit Peering policy: Open Port speed: 11 Gbps Does this member peer at the route server?: Yes Country of registration: United States of America Total peering locations for this AS: 9	47689	Open	Yes
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