Robtex

Up: 203.147.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.147.8.0/22
Down right: 203.147.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.147.10.140	PTR	mailklt.kawasumi.co.th
203.147.10.141	PTR	mailklt.kawasumi.co.th
203.147.10.241	A+PTR	mail.sfcinemacity.com
203.147.10.251	A	mail.maya.co.th
203.147.10.253	A	zimbra.sfcinemacity.com
203.147.11.3	A	mail.vipco-thai.com
203.147.11.72	PTR	ftp.shc.ac.th
203.147.11.74	PTR	www.shc.ac.th
203.147.11.178	PTR	hismail.harrowschool.ac.th
203.147.11.189	A+PTR	mail.mkrestaurant.com
203.147.11.189	A	mail.mkrgs.com
203.147.11.189	A	mail.mkrgth.com
203.147.11.195	A	tsic.co.th
203.147.11.201	A+PTR	mail.tsic.co.th
203.147.12.4	A+PTR	smtp26.ji-net.com
203.147.12.4	A	mjproduct.co.th
203.147.12.13	PTR	pop3.sahapat.co.th
203.147.12.26	PTR	pop3.dmc2th.com
203.147.12.35	PTR	pop3.acesthailand.com
203.147.12.43	PTR	pop3.mbaintl.co.th
203.147.12.49	A+PTR	pop3.ndpth.com
203.147.12.49	A	mail.ndpth.com
203.147.12.52	PTR	pop3.smgsport.com
203.147.12.57	PTR	pop3.thaisraelcc.or.th
203.147.12.64	A	backupmail.ji-net.com
203.147.12.74	PTR	pop3.domnickhunter.co.th
203.147.12.76	A+PTR	pop3.nicth.com
203.147.12.76	A	mail.nicth.com
203.147.12.86	PTR	pop3.united-drug.co.th
203.147.12.90	A	mail.yumark.co.th
203.147.12.90	A	pop3.yumark.co.th
203.147.12.91	PTR	pop3.ppkmetalarts.co.th
203.147.12.93	A	mail.amway.co.th
203.147.12.95	A	pop3.kaga-t.com
203.147.12.96	A+PTR	pop3.jab-net.co.th
203.147.12.96	A	mail.jab-net.co.th
203.147.12.97	PTR	pop3.belle.co.th
203.147.12.137	A	siamohgi.co.th
203.147.12.218	PTR	pop3.ldc.co.th
203.147.12.228	A+PTR	pop3.qeyinc.com
203.147.12.228	A	mail.qeyinc.com
203.147.12.248	A	thaiabomail.amway.co.th
203.147.12.250	A	dentalvision.co.th
203.147.12.250	A	pretzelclub.com
203.147.12.250	A	bangkokair.co.th
203.147.12.252	PTR	webmail.ji-net.com
203.147.14.14	PTR	stcc.jasmine.com
203.147.14.15	PTR	service.stcc.jasmine.com
203.147.14.66	A+PTR	mail.sit.co.th
203.147.14.72	A+PTR	out.sit.co.th
203.147.15.3	PTR	instagate.ter.co.th
203.147.15.130	A+PTR	ttcsmtpgw.ttc.toshiba.co.th
203.147.15.130	A	ttc.toshiba.co.th
203.147.15.130	A	tcc.toshiba.th.com
203.147.15.138	A	mail.toshiba.co.th
203.147.15.162	PTR	mail.ttlc.toshiba.co.th