| Serial | Label | Owner key | Owner | Description |
|---|---|---|---|---|
| 1549911688 (2019-02-11) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42, PYROPETER-DN42 | CCCHB network monitoring test prefix |
| 1538911791 (2018-10-07) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42, PYROPETER-DN42 | Pool for some transit experiments |
| 1518602429 (2018-02-14) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 | |
| 1516140077 (2018-01-16) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 | |
| 1512579642 (2017-12-06) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 | |
| 1510974009 (2017-11-18) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 | |
| 1508889613 (2017-10-25) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 | |
| 1507388447 (2017-10-07) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 | |
| 1502402479 (2017-08-10) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 | |
| 1501837222 (2017-08-04) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 | |
| 1501376409 (2017-07-30) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 | |
| 1501369209 (2017-07-29) | IPv4 network 172.22.1.0/24 | cb2d7f7227 | FRITZ-DN42 |