| US | AS13539 | Bastyr University |
| US | AS22293 | InfoSpace Holdings, LLC |
| US | AS396258 | Seattle University |
| US | AS36075 | SpaceLabs Medical, Inc. |
| US | AS394457 | Zumiez Inc. |
| US | AS36709 | NP Information Systems |
| US | AS20423 | Suquamish Tribe |
| US | AS32108 | WSECU |
| US | AS27500 | ICANN Meetings |
| US | AS55244 | Blue Origin |
| US | AS20168 | Precor Incorporated |
| US | AS54703 | PHYSIO-CONTROL, INC. |
| US | AS39965 | Radiant Global Logistics Inc. |
| CA | AS398444 | Absolute Software Corporation |
| US | AS40410 | FRIT |
| US | AS54128 | The Pokemon Company International, Inc. |
| US | AS394608 | KEXP |
| US | AS14919 | Oracle Corporation |
| US | AS394318 | Telecommunication Systems Inc. |
| US | AS14010 | Jack Henry & Associates, Inc. |
| US | AS12237 | IBM |
| US | AS399985 | Pemco Mutual Insurance Company |
| US | AS21549 | Iron Mountain Inc |
| US | AS27225 | TrueBlue, Inc. |
| US | AS33184 | Med-Data, Inc. |
| US | AS11270 | TwinStar Credit Union |
| US | AS397537 | The Baseball Club of Seattle, LLLP |
| US | AS11278 | Nintendo Of America inc. |
| US | AS15307 | Childrens Hospital and Regional Medical Center |
| US | AS36224 | HCL AMERICA INC |
| US | AS396402 | MultiCare Health System |
| US | AS13978 | Washington Health Benefit Exchange |
| US | AS16763 | Tideworks Technology |
| US | AS22590 | Island Health |
| US | AS400036 | Seattle Arena Company, LLC |
| US | AS40572 | Pemco Mutual Insurance Company |
| US | AS33529 | Peak Web Hosting |
| US | AS394631 | SAMARITAN HEALTH SERVICES |
| US | AS36040 | Google LLC AS36040 |
| US | AS397804 | Lighthouse Document Technologies, Inc |
| US | AS32027 | Port of Seattle |
| US | AS14203 | Juniper Networks (NoAM) |
| US | AS22179 | Links Technology Solutions, Inc. |
| US | AS22681 | Blue Nile, Inc |
| US | AS18598 | Transaction Network Services, Inc. |
| US | AS395617 | Plymouth Poultry Company |
| US | AS393387 | Port of Tacoma |
| US | AS21745 | US FOODS, INC. |
| US | AS395974 | Comcast Cable Communications, LLC |
| US | AS396296 | Horizon Credit Union |
