Robtex

Up: 118.175.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 118.175.20.0/25
Down right: 118.175.20.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
118.175.20.34	A	mail.roamscreen.com
118.175.20.149	A+PTR	mail.vispac.co.th
118.175.20.149	A	mail.vbuilder.co.th
118.175.20.149	A	mail.vispack.com
118.175.20.210	A	mail.thaiautotools.co.th
118.175.20.243	A	sesa17.go.th