Robtex

Up: 58.137.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 58.137.80.0/23
Down right: 58.137.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.137.81.3	PTR	reverse-58-137-81-3.csloxinfo.net
58.137.81.13	A	registrars.rvsms.com
58.137.81.14	A	registrars.rvsms.net
58.137.81.18	A	backmail.lcit.com
58.137.81.27	A	friendlygl.com
58.137.81.27	A	mail.friendlygl.com
58.137.81.34	A	firewall.zkurodath.com
58.137.81.227	A	time-logistics.com
58.137.82.51	A+PTR	mail.suzuyo.co.th
58.137.82.152	A	govacationthailand.com
58.137.82.195	A	www.chuo.co.th
58.137.82.199	A+PTR	mail1.chuo.co.th
58.137.82.200	A+PTR	smtp.chuo.co.th
58.137.83.19	A+PTR	smtpdr.thanachartfund.com
58.137.83.20	A	tbmgwdr.thanachart.co.th
58.137.83.21	A+PTR	tbmgwdr1.thanachart.co.th
58.137.83.35	PTR	mail.tipak.co.th
58.137.83.35	A	mail.tipack.co.th
58.137.83.35	A	webmail.tipak.co.th
58.137.83.56	A	gtgth.com
58.137.83.58	A	www.sosuco.com
58.137.83.59	A	mail.sosucofactory.com
58.137.83.59	A	mail.sosuco.com
58.137.83.98	PTR	mail.siammotorsparts.com
58.137.83.100	A	ns1.smparts.co.th
58.137.83.100	A	mail01.smparts.co.th
58.137.83.100	A	mail.smmjcb.com
58.137.83.110	PTR	mail.siammotorsparts.com
58.137.83.133	A	dhcm002.datapro.co.th
58.137.83.135	PTR	mail.pacifictravel.co.th
58.137.83.136	PTR	mail.silomassets.co.th
58.137.83.139	A	mail.carboline.co.th
58.137.83.148	PTR	mailgw.nationchannel.com
58.137.83.151	A	www.icbcthai.com
58.137.83.160	A	ossmailfront.itsdcs.com
58.137.83.160	A	maillist.itsdcs.com
58.137.83.161	A+PTR	mailgw.datapro.co.th
58.137.83.164	A	yuvabadhanafoundation.org
58.137.83.164	A	www.taroonline.com
58.137.83.164	A	www.krabienliveseakayak.com
58.137.83.165	PTR	mailgw.datapro.co.th
58.137.83.180	A	pil.premier.co.th
58.137.83.188	A	pms.qlf.or.th
58.137.83.198	A	servicedesk.itsdcs.com
58.137.83.200	A	ciscovpn.premier.co.th
58.137.83.215	A	devdcscloud.datapro.co.th
58.137.83.215	A	demo.datapro.co.th
58.137.83.215	A	demodcscloud.datapro.co.th
58.137.83.220	A+PTR	mailgw.nationchannel.com
58.137.83.221	A	campaign.nationchannel.com
58.137.83.222	A	bpo.dcs-dwork.com
58.137.83.222	A	engagement.dcs-dwork.com
58.137.83.227	A	av.premier.co.th
58.137.83.228	A	webconf.premier.co.th
58.137.83.232	A+PTR	mail2.itsdcs.com
58.137.83.234	A	dcsupload.itsdcs.com
58.137.83.234	A	pe.premier.co.th