Robtex

Up: 61.19.244.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 61.19.245.0/25
Down right: 61.19.245.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.19.245.4	A+PTR	ftp.idc.cattelecom.com
61.19.245.7	PTR	idcbck1.catidc.net
61.19.245.10	PTR	op.net
61.19.245.10	PTR	www2.supercheapphuket.com
61.19.245.16	PTR	www.bbc.ac.th
61.19.245.16	PTR	www.regisnew.cathosting.in.th
61.19.245.16	PTR	www.siamsaag.com
61.19.245.20	PTR	idcwh1.idc.cattelecom.com
61.19.245.20	A	*.fascino.co.th
61.19.245.20	A	www.gogospattaya.com
61.19.245.21	A+PTR	siamwaxy.com
61.19.245.21	A	www.siamwaxy.com
61.19.245.22	PTR	unix2.idc.cattelecom.com
61.19.245.25	PTR	dhammasociety.org
61.19.245.25	PTR	host.testzone
61.19.245.25	PTR	www.dhammasociety.org
61.19.245.30	PTR	idc.cattelecom.com
61.19.245.30	PTR	www.idc.cattelecom.com
61.19.245.30	A+PTR	www.cathosting.in.th
61.19.245.32	PTR	cacti.idc.cattelecom.com
61.19.245.36	PTR	idc.cattelecom.com
61.19.245.36	PTR	reg.idc.cattelecom.com
61.19.245.36	A+PTR	ticket.idc.cattelecom.com
61.19.245.50	A+PTR	myna.cat.net.th
61.19.245.50	A+PTR	teal.cat.net.th
61.19.245.51	A+PTR	ns1.idc.cattelecom.com
61.19.245.51	A	ns3.cattelecom.com
61.19.245.52	A+PTR	ns2.idc.cattelecom.com
61.19.245.52	A	ns3.mybycat.com
61.19.245.52	A	ns3.cat3g.com
61.19.245.53	PTR	monitor.idc.cattelecom.com
61.19.245.53	PTR	www.monitor2.idc.cattelecom.com
61.19.245.57	PTR	ftp.idc.cattelecom.com
61.19.245.60	PTR	css.idc.cattelecom.com
61.19.245.100	A+PTR	idcvscn.idc.cattelecom.com
61.19.245.101	PTR	ttt.ttt.com
61.19.245.102	PTR	qqq.ttt.com
61.19.245.110	A	mail.technicphotharam.com
61.19.245.110	A	mail.dole.co.th
61.19.245.142	PTR	probe5.catidc.net
61.19.245.146	PTR	ppttss.cathosting.in.th
61.19.245.157	PTR	tempcaching.idc.cattelecom.com
61.19.245.196	A+PTR	teal2.cat.net.th
61.19.245.200	A+PTR	testmail.cathosting.in.th
61.19.245.201	PTR	mail.abc.com
61.19.245.202	PTR	mail.def.com
61.19.245.203	PTR	mail.xyz.com
61.19.245.233	A+PTR	dns2.idc.cattelecom.com
61.19.245.238	A+PTR	esa.idc.cattelecom.com
61.19.245.240	A+PTR	idcmail1.cattelecom.com
61.19.245.241	A+PTR	idcmail2.cattelecom.com
61.19.245.242	PTR	mail.idc.cattelecom.com
61.19.245.242	A	mail.unionmicronclean.com
61.19.245.242	A	mail.regentchaambeach.com
61.19.245.243	A+PTR	dns4.idc.cattelecom.com
61.19.245.245	A+PTR	dns1.idc.cattelecom.com
61.19.245.246	A+PTR	dns2.idc.cattelecom.com
61.19.245.246	A	ns2.webmasterthailand.com
61.19.245.251	A+PTR	intranet.idc.cattelecom.com
61.19.245.251	A	www.idc.cattelecom.com
61.19.245.251	A	ticket.idc.cattelecom.com
61.19.245.252	PTR	mail1.abc.ac.th
61.19.245.253	PTR	idcbck1.catidc.net