| Serial | Label | Owner key | Owner | Description |
|---|---|---|---|---|
| 1456660871 (2016-02-28) | IPv4 network 172.23.237.0/24 | cb2d7f7227 | ORG-CTFL | Chaostreff Flensburg e.V. |
| 1454972410 (2016-02-08) | IPv4 network 172.23.237.0/24 | cb2d7f7227 | ORG-CTFL | Chaostreff Flensburg e.V. |
| 1454947208 (2016-02-08) | IPv4 network 172.23.237.0/24 | cb2d7f7227 | ORG-CTFL | Chaostreff Flensburg e.V. |
| 1428339615 (2015-04-06) | IPv4 network 172.23.237.0/24 | cb2d7f7227 | ORG-CTFL | Chaostreff Flensburg e.V. |
| 1428256820 (2015-04-05) | IPv4 network 172.23.237.0/24 | cb2d7f7227 | ORG-CTFL | Chaostreff Flensburg e.V. |
| 1416179277 (2014-11-16) | IPv4 network 172.23.237.0/24 | cb2d7f7227 | TBSPACE-DN42 | TBSPACE HOME |
| 1402189208 (2014-06-08) | IPv4 network 172.23.237.0/24 | f88b678481 | TBSPACE-DN42 | TBSPACE HOME |
| 1386417616 (2013-12-07) | IPv4 network 172.23.237.0/24 | f88b678481 | TBSPACE-DN42 | TBSPACE HOME |