| Serial | Label | Owner key | Owner | Description |
|---|---|---|---|---|
| 1644750012 (2022-02-13) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1518602428 (2018-02-14) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1516140075 (2018-01-16) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1512579640 (2017-12-06) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1507388446 (2017-10-07) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1496682011 (2017-06-05) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1487782810 (2017-02-22) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1484784019 (2017-01-19) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1484611271 (2017-01-17) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1458694806 (2016-03-23) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1458680408 (2016-03-22) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1458666008 (2016-03-22) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1458594006 (2016-03-21) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1456750806 (2016-02-29) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |
| 1456660867 (2016-02-28) | IPv4 network 172.20.152.0/23 | cb2d7f7227 | IRL-DN42 | Electronics Research Group Testbed |