| 206.234.111.0 | 206.234.111.255 | PSINet/ Design Data Systems Corporation |
| 206.234.112.0 | 206.234.112.255 | PSINet/ RAM Mobile Data |
| 206.234.113.0 | 206.234.113.255 | PSINet/ Kestrel Technologies L.L.C. |
| 206.234.114.0 | 206.234.114.255 | PSINet/ Information Management Inc. |
| 206.234.115.0 | 206.234.115.255 | PSINet/ Business Link of America |
| 206.234.116.0 | 206.234.116.255 | PSINet/ Wickwire Gavin P.C. |
| 206.234.117.0 | 206.234.117.255 | PSINet/ W.B. Donner & Company |
| 206.234.118.0 | 206.234.118.255 | PSINet/ Advanced Rubber Concepts |
| 206.234.119.0 | 206.234.119.255 | PSINet/ The Core Group Inc. |
| 206.234.120.0 | 206.234.120.255 | PSINet/ SoftNet Systems Inc. |