Robtex

Up: 143.89.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 143.89.240.0/23
Down right: 143.89.242.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
143.89.241.251	A	remote.ust.hk
143.89.243.6	A+PTR	radica.ust.hk
143.89.243.20	A+PTR	pvs0068.ust.hk
143.89.243.33	PTR	pvs0081.ust.hk
143.89.243.33	A	unity-sensor.com
143.89.243.33	A	unity-drive.com
143.89.243.102	A	join.ust.hk