2015 - M&A - e-shelter Rhein-Ruhr 1
e-shelter was acquired by NTT in 2015 and later rebranded to be part of NTT Global Data Centers

| Distance | Data Center | Address |
|---|---|---|
| 0.81 km | EXA Edge DC Bonn | Brühler Str. 26A |
| 5.55 km | tops.net Data Center | Holtorfer Strasse 35 |
| 18.12 km | PlusServer Cologne | Welserstrasse 14 |
| 18.34 km | Host Europe Data Center | Hansestrasse 109 |
| 19.12 km | nLighten Cologne CGB1 | Max-Planck-Strasse 36 |
| 21.26 km | Penta CGN01 | Dillenburger Str. 70a |
| 22.21 km | euNetworks Colocation Cologne | Theodor-Babilon-Strasse 1-3 |
| 25.56 km | NetCologne Lindenthal | Josef-Lammerting-Allee 19 |
| 25.65 km | Surfplanet Datacenter | Am Springborn 1 |
| 27.43 km | NetCologne Lövenich | Kölner Str. 103 |