Robtex

Up: 223.255.160.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 223.255.161.0/25
Down right: 223.255.161.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
223.255.161.2	A+PTR	mail.palco-ind.com.hk
223.255.161.2	A	easternpro.net
223.255.161.2	A	uniontop.net
223.255.161.3	A	yanti-hk.com
223.255.161.6	A	mail2.palco-ind.com.hk
223.255.161.6	A	palco-ind.com.hk
223.255.161.38	A	fuweitoys.com
223.255.161.38	A	rmzcity.com
223.255.161.38	A	mail.neufarmsland.com
223.255.161.54	A	mail5.agile.com.cn
223.255.161.98	A	suntachemical.com
223.255.161.131	A	hnfeiyue.com
223.255.161.136	A	vhcadtools.com
223.255.161.136	A	conradtcwong.com
223.255.161.137	A	www.vhcad.com
223.255.161.146	A+PTR	mail.ortuscapital.com
223.255.161.146	A+PTR	wharft-a.ortuscapital.com
223.255.161.146	A	office.ortuscapital.com
223.255.161.149	A	wharft-d.ortuscapital.com
223.255.161.151	A+PTR	wharft-f.ortuscapital.com
223.255.161.153	A+PTR	wharft-h.ortuscapital.com
223.255.161.154	A+PTR	wharft-i.ortuscapital.com
223.255.161.165	A	hkafs.com
223.255.161.165	A	norman-ng-english.com
223.255.161.173	A	derbywww.hkmillennium.com
223.255.161.189	A	kenfair.hk
223.255.161.190	A	asiansourcing.com
223.255.161.211	PTR	hksic.com
223.255.161.212	PTR	hksic.com
223.255.161.212	A	hksic.cn
223.255.161.212	A	www.hksic.com
223.255.161.213	A+PTR	mail1.hksic.com
223.255.161.213	A	mail1.theamycollection.com
223.255.161.213	A	hksic.com
223.255.161.214	PTR	hksic.com
223.255.161.215	PTR	macmini.hksic.com
223.255.161.215	A	sichk.com
223.255.161.215	A	macmini.sichk.com
223.255.161.216	PTR	hksic.com
223.255.161.217	PTR	hksic.com
223.255.161.218	PTR	hksic.com
223.255.161.219	PTR	hksic.com
223.255.161.220	PTR	hksic.com
223.255.161.252	A	www.altaitechnologies.com
223.255.161.252	A	altaitechnologies.com
223.255.161.254	A+PTR	mail.altaitechnologies.com