Robtex

Up: 220.232.252.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 220.232.253.0/25
Down right: 220.232.253.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.232.253.66	A	mail2.hksmarts.com
220.232.253.66	A	www.ecommhk.com
220.232.253.66	A	webmail.ecommhk.com
220.232.253.82	A	mail2.manheusen.com
220.232.253.122	A	nexusology.com
220.232.253.122	A	mail.thenoustech.com
220.232.253.150	PTR	providence.com.hk
220.232.253.150	A	mail-server.providence.com.hk
220.232.253.150	A	mailsrv.providence.com.hk
220.232.253.186	A	ns1.datacog.com