| 2003:100:281e:: | 2003:100:281e:ffff:ffff:ffff:ffff:ffff | dieBauingenieure-Bauphysik GmbH |
| 2003:100:281f:: | 2003:100:281f:ffff:ffff:ffff:ffff:ffff | VBK-Verkehrsbetriebe Karlsruhe GmbH |
| 2003:100:2820:: | 2003:100:2820:ffff:ffff:ffff:ffff:ffff | Paulaner Brauerei Gruppe GmbH & Co. KGaA |
| 2003:100:2821:: | 2003:100:2821:ffff:ffff:ffff:ffff:ffff | IB Freier Traeger |
| 2003:100:2822:: | 2003:100:2822:ffff:ffff:ffff:ffff:ffff | Rubix GmbH |
| 2003:100:2823:: | 2003:100:300f:ffff:ffff:ffff:ffff:ffff | Deutsche Telekom AG |
| 2003:100:3010:: | 2003:100:3010:ffff:ffff:ffff:ffff:ffff | Revierpark Wischlingen GmbH |
| 2003:100:3011:: | 2003:100:3011:ffff:ffff:ffff:ffff:ffff | Deutsche Post DHL |
| 2003:100:3012:: | 2003:100:3012:ffff:ffff:ffff:ffff:ffff | SMS medipool GmbH |
| 2003:100:3013:: | 2003:100:3013:ffff:ffff:ffff:ffff:ffff | syncreon Deutschland GmbH |