| Serial | Label | Owner key | Owner | Description |
|---|---|---|---|---|
| 1456660870 (2016-02-28) | IPv4 network 172.23.180.0/24 | cb2d7f7227 | GIANG-DN42 | Host30K Company - www.host30k.com |
| 1454972409 (2016-02-08) | IPv4 network 172.23.180.0/24 | cb2d7f7227 | GIANG-DN42 | Host30K Company - www.host30k.com |
| 1435500014 (2015-06-28) | IPv4 network 172.23.180.0/24 | cb2d7f7227 | GIANG-DN42 | Host30K Company - www.host30k.com |
| 1435420806 (2015-06-27) | IPv4 network 172.23.180.0/24 | cb2d7f7227 | GIANG-DN42 | Host30K Company - www.host30k.com |
| 1431032410 (2015-05-07) | IPv4 network 172.23.180.0/24 | cb2d7f7227 | JMLIBER-DN42 | JMLiber Reserved |
| 1431021610 (2015-05-07) | IPv4 network 172.23.180.0/24 | cb2d7f7227 | JMLIBER-DN42 | JMLiber Reserved |
| 1416179276 (2014-11-16) | IPv4 network 172.23.180.0/24 | cb2d7f7227 | ARCHCD-DN42 | Arch.CD IP4 |
| 1413536656 (2014-10-17) | IPv4 network 172.23.180.0/24 | f88b678481 | ARCHCD-DN42 | Arch.CD IP4 |
| 1397768410 (2014-04-17) | IPv4 network 172.23.180.0/24 | f88b678481 | ARCHCD-DN42 | Arch.CD IP4 |
| 1392037209 (2014-02-10) | IPv4 network 172.23.180.0/24 | f88b678481 | W1R3-DN42 | w1r3 network ipv4 services |
| 1387789210 (2013-12-23) | IPv4 network 172.23.180.0/24 | f88b678481 | W1R3-DN42 | w1r3 network services |