Robtex

Up: 147.8.180.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 147.8.181.0/25
Down right: 147.8.181.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
147.8.181.8	A+PTR	mailbox.eee.hku.hk
147.8.181.15	A+PTR	ip-1015.eee.hku.hk
147.8.181.45	A+PTR	mri-dj800.eee.hku.hk
147.8.181.64	A+PTR	ljm712a.eee.hku.hk
147.8.181.77	A	pc-1077.eee.hku.hk
147.8.181.78	A+PTR	pc-1078.eee.hku.hk
147.8.181.79	PTR	pc-1079.eee.hku.hk
147.8.181.79	A	portal.iclass.hk
147.8.181.79	A	iclass.hk
147.8.181.101	A	ip-1101.eee.hku.hk
147.8.181.129	A+PTR	ip-1129.eee.hku.hk
147.8.181.159	PTR	su507.eee.hku.hk
147.8.181.160	A+PTR	su508.eee.hku.hk
147.8.181.167	A	camfordmaths.com
147.8.181.167	A	mail.tonywu.org
147.8.181.177	A+PTR	hpfklam.eee.hku.hk
147.8.181.178	A+PTR	indy21.eee.hku.hk
147.8.181.183	A+PTR	nwhub04.eee.hku.hk
147.8.181.235	A+PTR	pu1004.eee.hku.hk
147.8.181.237	PTR	pu1006.eee.hku.hk
147.8.181.238	A+PTR	pu1007.eee.hku.hk
147.8.181.239	A+PTR	pu1008.eee.hku.hk
147.8.181.241	A+PTR	pu1010.eee.hku.hk
147.8.181.242	A+PTR	pu1011.eee.hku.hk
147.8.181.243	A+PTR	pu1012.eee.hku.hk
147.8.181.249	A+PTR	su501.eee.hku.hk
147.8.181.250	A+PTR	su502.eee.hku.hk
147.8.181.254	A+PTR	su506.eee.hku.hk