| Serial | Label | Owner key | Owner | Description |
|---|---|---|---|---|
| 1644750013 (2022-02-13) | IPv6 network fd23:c7b4:a2c8::/48 | cb2d7f7227 | GRUETZKOPF-DN42 | gruetzkopf research labs |
| 1518602431 (2018-02-14) | IPv6 network fd23:c7b4:a2c8::/48 | cb2d7f7227 | GRUETZKOPF-DN42 | gruetzkopf research labs |
| 1512579643 (2017-12-06) | IPv6 network fd23:c7b4:a2c8::/48 | cb2d7f7227 | GRUETZKOPF-DN42 | gruetzkopf research labs |
| 1507388452 (2017-10-07) | IPv6 network fd23:c7b4:a2c8::/48 | cb2d7f7227 | GRUETZKOPF-DN42 | gruetzkopf research labs |
| 1470744009 (2016-08-09) | IPv6 network fd23:c7b4:a2c8::/48 | cb2d7f7227 | GRUETZKOPF-DN42 | gruetzkopf research labs |