| 2001:4dd0:d43a:: | 2001:4dd0:d43a:ffff:ffff:ffff:ffff:ffff |  NetCologne Gesellschaft fur Telekommunikation mb.. |
| 2001:4dd0:d43b:: | 2001:4dd0:d43b:ffff:ffff:ffff:ffff:ffff | Clarenbachwerk Koeln g. GmbH Alter Militaerring .. |
| 2001:4dd0:d43c:: | 2001:4dd0:d43c:ffff:ffff:ffff:ffff:ffff | MZ Medien Zentrum GmbH Walter-Gropius-Str. 20 D-.. |
| 2001:4dd0:d43d:: | 2001:4dd0:d43d:ffff:ffff:ffff:ffff:ffff | Thomas / Diedrich / - Rizzo Partnerschaft mbB La.. |
| 2001:4dd0:d43e:: | 2001:4dd0:d43e:ffff:ffff:ffff:ffff:ffff | IBF Unternehmensberatung Neukirchener Str. 1-3 D.. |
| 2001:4dd0:d43f:: | 2001:4dd0:d43f:ffff:ffff:ffff:ffff:ffff | GS Projektentwicklungen GbR Rheinische Allee 3a .. |
| 2001:4dd0:d440:: | 2001:4dd0:d440:ffff:ffff:ffff:ffff:ffff | SONNTAG Baugesellschaft mbH & Co. KG Max-Planck-.. |
| 2001:4dd0:d441:: | 2001:4dd0:d441:ffff:ffff:ffff:ffff:ffff | Birkenstock GmbH & Co. KG Services Harry-Blum-Pl.. |
| 2001:4dd0:d442:: | 2001:4dd0:d442:ffff:ffff:ffff:ffff:ffff | DHL Automotive GmbH Am Coloneum 3 D-50829 Koeln |
| 2001:4dd0:d443:: | 2001:4dd0:d443:ffff:ffff:ffff:ffff:ffff | NetCologne Gesellschaft fur Telekommunikation mb.. |
