| 2024-09-05 | Updated port counts over time can be found here: csv png xls |
| 2023-03-27 | Broadcast, Unknown-Unicast, and Multicast (BUM) graphs are now available. |
| 2022-04-19 | 400GbE one-time port fee introduced on join page at $15,000 with availability at the Westin Building and KOMO Plaza. |
| 2020-01-15 | The route servers now perform additional strict filtering using RPKI. |
| 2020-01-01 | 10GbE one-time port fee reduced from $2,000 to $1,500. 100GbE one-time port fee reduced from $10,000 to $7,500. No monthly fees. |
| 2019-12-18 | |
| 2017-06-05 | Jared Reimer's NANOG 70 presentation in honor of the 20th anniversary of the SIX. |
| 2017-03-07 | The route servers now perform strict filtering using Internet Routing Registry data. |
| 2017-01-11 | The route servers now support large BGP communities and prepend communities. |
| 2017-01-01 | 10GbE one-time port fee reduced from $3,000 to $2,000. 100GbE one-time port fee reduced from $16,000 to $10,000 and optic now included. |
| 2016-11-14 | Blackholing support has been implemented on the core switches and route servers. |
| 2016-09-30 | |
| 2016-08-26 | New switches - Large Netflix donation - Fundraising |
| 2016-05-09 | IPv6 and frame size charts have been added to the 5-minute sampling aggregate traffic page. 1-minute sampling is now also available. |
| 2016-01-01 | The SIX is @seattleix on Twitter. |
| 2015-06-04 | The Euro-IX IXP Member List JSON Schema is now implemented. |
| 2015-01-01 | 10GbE one-time port fee reduced from $5,000 to $3,000. |
| 2014-09-30 | 100/40GbE port fees added to join page. |
| 2014-07-23 | "Speed" column added to participants page and CSV/TSV files. Thanks goes to PeeringDB.com for this data. |
| 2014-07-22 | Route servers are now available. Connect and enjoy! |
| 2011-05-01 | "Approx Prefixes" column added to participants page and CSV/TSV files. Thanks goes to PeeringDB.com for this data. |
| 2010-06-21 | A multi-year aggregate traffic graph has been added to the bottom of the aggregate traffic page. |
| 2009-07-24 | "General Policy" column added to participants page and CSV/TSV files. Thanks goes to PeeringDB.com for this data. |
| 2009-07-17 | Added text files containing daily average and maximum traffic levels. Updated daily. |
| 2009-07-13 | Added a Topology & Extensions page. |
| 2009-04-03 | This web site is now accessible via IPv6. |
| 2008-12-14 | The ASN entries on the participants page now link to their respective entry at PeeringDB.com. Please create and/or maintain your entry at PeeringDB.com. |
| 2007-09-02 | CSV and TSV file types are now available from the participants page. |
| 2007-06-18 | The aggregate traffic page is back up and the SIX is now compliant with the Packet Clearing House documentation BCP for exchange points. |
| 2007-06-03 | The participants page is now automatically generated. Columns may be sorted. Please report any problems to webmaster_a_t_seattleix.net. |
