Robtex

Up: 202.12.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 202.12.31.0/25
Down right: 202.12.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.12.31.0	PTR	network.loopbacks.hk.apnic.net
202.12.31.1	PTR	ns4-gw.apnic.net
202.12.31.1	A	hkgw1.apnic.net
202.12.31.2	A	hkgw2.apnic.net
202.12.31.8	PTR	network.vlan35.hk.apnic.net
202.12.31.18	A+PTR	hk-anysec1.apnic.net
202.12.31.19	A+PTR	hk-anysec2.apnic.net
202.12.31.25	PTR	vlan52.hkanygw1.apnic.net
202.12.31.26	A	hk-anysec1-mg.apnic.net
202.12.31.27	A	hk-anysec2-mg.apnic.net
202.12.31.34	A	hkanygw1.apnic.net
202.12.31.44	A+PTR	hks1.apnic.net
202.12.31.45	A	hks2.apnic.net
202.12.31.46	A	hkanys1.apnic.net
202.12.31.50	A	z1.hkx.dnadm.se
202.12.31.53	A+PTR	ns4.apnic.net
202.12.31.53	A	v.au
202.12.31.53	A	tinnie.apnic.net
202.12.31.140	A	ns4.apnic.com
202.12.31.141	A	sec4.apnic.com
202.12.31.141	A	sec4.apnic.net
202.12.31.142	A+PTR	cassia.apnic.net
202.12.31.144	A	fennel.apnic.org
202.12.31.144	A	fennel.apnic.net
202.12.31.146	A+PTR	jaggery.apnic.net
202.12.31.148	A+PTR	hk-yuji.apnic.net
202.12.31.150	A	hk-anycollect.apnic.net
202.12.31.183	PTR	cinnamon.apnic.net