Robtex

Up: 203.121.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 203.121.160.0/20
Down right: 203.121.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.121.160.99	PTR	mail.chr.co.th
203.121.160.123	PTR	mail.sofitel.co.th
203.121.160.132	PTR	smtp.oceanglass.com
203.121.161.158	A+PTR	gw.ha.or.th
203.121.161.222	PTR	bkkbox.com
203.121.162.67	PTR	mail.bigc.co.th
203.121.162.72	PTR	mis.bigc.co.th
203.121.162.72	PTR	mailgw.bigc.co.th.162.121.203.in-addr.arpa
203.121.162.76	PTR	ns.bigc.co.th
203.121.162.85	A	srs.bigc.co.th
203.121.162.227	PTR	mail.ndmi.or.th
203.121.163.219	PTR	mail.devss.com
203.121.163.227	A	zplthailand.com
203.121.164.77	A	mail.tlicarecenter.com
203.121.164.88	A	www.tlicarecenter.com
203.121.164.195	PTR	mail.tipco.net
203.121.164.250	PTR	mail.cyber-lock.com
203.121.165.2	A	3forfun.com
203.121.165.2	A	www.tv3mobile.com
203.121.165.2	A	xn--82ce6ap6ajgic2e8a9c9a6c4fhd2sh.com
203.121.165.7	A+PTR	mail.thanachart.co.th
203.121.165.130	A	ns2.vingworld.tv
203.121.165.144	A	*.vingtv.com
203.121.166.2	PTR	pool-isdn-2.microthai.com
203.121.166.32	PTR	pool-isdn-32.microthai.com
203.121.166.98	PTR	pool-isdn-98.microthai.com
203.121.167.131	PTR	mx2.cpf.co.th
203.121.167.131	PTR	smtp.cpf.co.th
203.121.167.132	PTR	mail.cpf.co.th
203.121.167.202	PTR	mail.bkp.co.th
203.121.167.219	A	yourcp.com
203.121.167.219	A	cpfreshmartclub.com
203.121.167.235	PTR	smtp3.cpf.co.th
203.121.167.253	A	pacific.cpf-it.com
203.121.167.253	A	pi.cpconsumer.com
203.121.167.253	A	pi.fightingcockthailand.com
203.121.169.250	A	ask.co.th
203.121.169.251	A+PTR	mail.bgpl-lease.com
203.121.169.251	A	mail.bgpl.co.th
203.121.170.135	A	mail2.trienergy.co.th
203.121.170.178	A	mail.diethelmtravel.org
203.121.170.178	A	mail3.my.diethelmtravel.com
203.121.170.178	A	mail3.diethelmtravel.com
203.121.172.21	A+PTR	adcgoodnet-21.pacific.net.th
203.121.172.25	A+PTR	adcgoodnet-25.pacific.net.th
203.121.172.39	A+PTR	adcadsl-39.pacific.net.th
203.121.172.42	A+PTR	adcadsl-42.pacific.net.th
203.121.172.43	A+PTR	adcadsl-43.pacific.net.th
203.121.172.45	A	adcadsl-45.pacific.net.th
203.121.172.67	A+PTR	adcgoodnet-67.pacific.net.th
203.121.172.69	A+PTR	adcgoodnet-69.pacific.net.th
203.121.172.74	A	adcgoodnet-74.pacific.net.th
203.121.172.78	A+PTR	adcgoodnet-78.pacific.net.th
203.121.172.100	A+PTR	adcadsl-100.pacific.net.th
203.121.172.101	A	adcadsl-101.pacific.net.th
203.121.172.102	A+PTR	adcadsl-102.pacific.net.th
203.121.172.103	A+PTR	adcadsl-103.pacific.net.th
203.121.176.12	PTR	mail2.scblife.co.th
203.121.177.35	A+PTR	mail.peoplesgarment.com
203.121.177.35	PTR	mail.pg.co.th
203.121.178.211	A+PTR	mx1.calcomp.co.th
203.121.178.212	A+PTR	mx2.calcomp.co.th
203.121.178.215	A	www.calcomp.co.th
203.121.178.217	A+PTR	mx3.calcomp.co.th
203.121.178.232	A	mail1.jintana.com
203.121.179.130	PTR	mail.acmethai.com
203.121.180.34	A+PTR	googig.com
203.121.180.34	A	eiidiotii.googig.com
203.121.180.34	A	th.googig.com
203.121.180.74	A	mail.fotomakerlab-wh.com
203.121.180.74	A	www.nakhonpathomcity.go.th
203.121.180.74	A	ns1.chanlert.com
203.121.180.75	PTR	photo2me.smethaiweb.com
203.121.180.241	A	webmail.aa.accor.com
203.121.182.8	A	www1.value.co.th
203.121.182.71	PTR	mailgw.thaizone.com
203.121.182.94	PTR	mx.thaizone.com
203.121.182.123	PTR	dns1.thaizone.com
203.121.182.133	A+PTR	host1.itclever.com
203.121.182.134	PTR	host2.itclever.com
203.121.182.134	A	mail.apam2010.com
203.121.182.134	A	mail.siamgroundwater.com
203.121.182.136	PTR	fl1.itclever.com
203.121.182.161	PTR	ns2.thaisia.co.th
203.121.182.165	A+PTR	mailfilter.loftdata.com
203.121.182.165	A	mailfilter.thaisia.co.th
203.121.182.165	A	mail.industrialprovision.com
203.121.182.197	A+PTR	ns5.coltdnic.com
203.121.182.197	A	ev.co.th
203.121.182.197	A	niche-est.com
203.121.182.229	A	nfsgw.pacific.net.th
203.121.182.238	PTR	mail.contour.co.th
203.121.182.238	A	xn--l3c2ac0aqb2q.com
203.121.182.238	A	mail.xn--l3c2ac0aqb2q.com
203.121.182.240	PTR	mail.coltdnic.com
203.121.185.135	A	southcitygroup.com
203.121.185.135	A	dejudom.com
203.121.185.135	A	designstrategy.co.th
203.121.190.2	PTR	mail.kvsinter.com