Robtex

Up: 118.143.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 118.143.66.0/25
Down right: 118.143.66.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
118.143.66.1	A+PTR	register.hksources.net
118.143.66.2	A	apop.hksources.net
118.143.66.3	A+PTR	asmtp1.hksources.net
118.143.66.3	A	hksources.net
118.143.66.4	A	asmtp2.hksources.net
118.143.66.35	A	ns3.shopthrupost.hk
118.143.66.35	A	ns3.hongkongpost.com
118.143.66.35	A	ns3.hongkongpoststamps.com
118.143.66.154	PTR	static-dia-154-66-143-118-on-nets.com
118.143.66.154	A	smtp.iserve.com.hk
118.143.66.154	A	dns2.iserve.com.hk
118.143.66.198	A+PTR	cicironport2.hkcic.org
118.143.66.198	PTR	mail2.cic.hk
118.143.66.198	A+PTR	mail2.hkic.edu.hk