Robtex

Up: 210.203.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 210.203.160.0/22
Down right: 210.203.164.0/22

IP	Type	Hostname
210.203.160.24	A	ns.umdang.com
210.203.160.25	PTR	mailserv.kol.co.th
210.203.160.25	A	mail.nmpp.go.th
210.203.160.225	A	ns.simatech.co.th
210.203.160.226	A	ns2.simatech.co.th
210.203.163.188	PTR	mail.korat-denki.co.th