Robtex

Up: 203.152.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.152.56.0/23
Down right: 203.152.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.152.56.40	PTR	ns1.it77.com
203.152.56.41	PTR	ns1.it77.com
203.152.56.67	A	mail.riotinto-thailand.com
203.152.56.91	A+PTR	mail.lshorizon.com
203.152.56.114	PTR	csci.co.th
203.152.56.210	A+PTR	mail.yarnapund.com
203.152.56.210	A	mail.yarnapund.co.th
203.152.56.211	A	www.yarnapund.co.th
203.152.56.211	A	yarnapund.co.th
203.152.57.55	PTR	metro.pacific.net.th
203.152.57.66	PTR	metro.pacific.net.th
203.152.57.71	PTR	metro.pacific.net.th
203.152.57.120	PTR	metro.pacific.net.th
203.152.57.146	PTR	ip146.proptech.co.th
203.152.57.147	PTR	ip147.proptech.co.th
203.152.57.147	A	www.theplanet.co.th
203.152.57.147	A	proptech.co.th
203.152.57.148	PTR	ip148.proptech.co.th
203.152.57.152	A	clubstudiogolf.com
203.152.57.158	A	open.co.th
203.152.57.210	PTR	mail.pandora.co.th