| 2001:610:479:: | 2001:610:47f:ffff:ffff:ffff:ffff:ffff | SURF B.V. |
| 2001:610:480:: | 2001:610:480:ffff:ffff:ffff:ffff:ffff | Noorderpoort College |
| 2001:610:481:: | 2001:610:497:ffff:ffff:ffff:ffff:ffff | SURF B.V. |
| 2001:610:498:: | 2001:610:498:ffff:ffff:ffff:ffff:ffff | Protestantse Theologische Universiteit |
| 2001:610:499:: | 2001:610:49f:ffff:ffff:ffff:ffff:ffff | SURF B.V. |
| 2001:610:4a0:: | 2001:610:4a1:ffff:ffff:ffff:ffff:ffff | Universiteit Utrecht Heidelberglaan 8 NL-3584 CS.. |
| 2001:610:4a2:: | 2001:610:4a7:ffff:ffff:ffff:ffff:ffff | SURF B.V. |
| 2001:610:4a8:: | 2001:610:4a8:ffff:ffff:ffff:ffff:ffff | Nederlands Instituut voor Onderzoek der Zee Den .. |
| 2001:610:4a9:: | 2001:610:4a9:ffff:ffff:ffff:ffff:ffff | SURF B.V. |
| 2001:610:4aa:: | 2001:610:4aa:ffff:ffff:ffff:ffff:ffff | Nederlands Instituut voor Onderzoek der Zee Yers.. |