Robtex

Up: 210.245.96.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 210.245.96.0/24
Down right: 210.245.97.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.245.96.98	A	mxb.fpt.com.vn
210.245.96.106	A+PTR	mail.hsc.com.vn
210.245.96.106	A	mailbk.hsc.com.vn
210.245.96.118	A+PTR	mail02.pearlenergy.com
210.245.97.2	PTR	mail.tma.com.vn
210.245.97.3	PTR	mail.tma.com.vn
210.245.97.99	A	mail.laviewater.com
210.245.97.148	PTR	mail.cfyc.com.vn
210.245.97.148	A	mail.cmg.asia
210.245.97.148	A	mail.boonglobal.com
210.245.97.228	PTR	ah-alcc01815p9p.american-home.com.vn
210.245.97.228	A	american-home.com.vn