| Serial | Label | Owner key | Owner | Description |
|---|---|---|---|---|
| 1469610010 (2016-07-27) | IPv4 network 172.21.100.0/23 | cb2d7f7227 | FLO-DN42 | |
| 1469286008 (2016-07-23) | IPv4 network 172.21.100.0/23 | cb2d7f7227 | FLO-DN42 | |
| 1468000813 (2016-07-08) | IPv4 network 172.21.100.0/23 | cb2d7f7227 | FLO-DN42 | |
| 1459947608 (2016-04-06) | IPv4 network 172.21.100.0/23 | cb2d7f7227 | FLO-DN42 | Used for split up and reserved. |