Robtex

Up: 210.3.48.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.3.48.0/25
Down right: 210.3.48.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.3.48.10	PTR	remote.hk.amassfreight.com
210.3.48.158	PTR	mail.roccomagic.com.hk
210.3.48.158	PTR	www.roccomagic.com.hk
210.3.48.182	A+PTR	www.apgglobal.com
210.3.48.182	A	greenpieces.com
210.3.48.182	A	zimbracs.apgglobal.com