| 2003:41:c02f:: | 2003:41:c02f:ffff:ffff:ffff:ffff:ffff | iffland hoeren GmbH & Co. KG |
| 2003:41:c030:: | 2003:41:c030:ffff:ffff:ffff:ffff:ffff | Schober Information Group Deutschland GmbH |
| 2003:41:c031:: | 2003:41:c033:ffff:ffff:ffff:ffff:ffff | Deutsche Telekom AG |
| 2003:41:c034:: | 2003:41:c034:ffff:ffff:ffff:ffff:ffff | Gebr. Becker GmbH |
| 2003:41:c035:: | 2003:41:c035:ffff:ffff:ffff:ffff:ffff | Deutsche Telekom AG |
| 2003:41:c036:: | 2003:41:c036:ffff:ffff:ffff:ffff:ffff | KLENK HOLZ Aktiengesellschaft |
| 2003:41:c037:: | 2003:41:c037:ffff:ffff:ffff:ffff:ffff | CeGaT GmbH |
| 2003:41:c038:: | 2003:41:c038:ffff:ffff:ffff:ffff:ffff | Christian Winkler GmbH & Co. KG |
| 2003:41:c039:: | 2003:41:c039:ffff:ffff:ffff:ffff:ffff | Deutsche Metrohm |
| 2003:41:c03a:: | 2003:41:c03a:ffff:ffff:ffff:ffff:ffff | Feinmetall Gesellschaft mit beschraenkter Haftun.. |