Robtex

Up: 58.137.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 58.137.12.0/23
Down right: 58.137.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.137.12.2	A	www.thespi.com
58.137.12.5	A	mx2.thespi.com
58.137.12.7	A	rodgradea.com
58.137.12.7	A	xn--12c2be5cc5d1gd.com
58.137.12.15	A	thespi.com
58.137.12.15	A	tkw03.thespi.com
58.137.12.15	A	*.thespi.com
58.137.12.18	A	spitoyota.com
58.137.12.27	A	m.tk.co.th
58.137.12.30	A	mail.thespi.com
58.137.12.52	PTR	reverse-58-137-12-52.csloxinfo.net
58.137.12.52	A	ns2.imperialhotels.com
58.137.12.52	A	mail.riverhouse-chiangrai.com
58.137.12.66	PTR	mailgateway.themall.co.th
58.137.12.66	A	mail.mcardmall.com
58.137.12.70	A	www.meppay.com
58.137.12.83	A	sbg.ckbl.net
58.137.12.98	PTR	mail.nmc.co.th
58.137.12.99	PTR	mail.nmc.co.th
58.137.12.101	PTR	webmail.nmc.co.th
58.137.12.141	PTR	smtp.tqm.co.th
58.137.12.141	A	smtp2.tqm.co.th
58.137.12.171	PTR	reverse-58-137-12-171.csloxinfo.net
58.137.12.181	PTR	jupiter.wtec.co.th
58.137.12.181	A	siamfukoku.co.th
58.137.12.182	PTR	smtpgw.wtec.co.th
58.137.12.182	A	mail.wtec.co.th
58.137.12.182	A	mail.siamfukoku.co.th
58.137.12.183	PTR	www.wtec.co.th
58.137.12.187	A	mail.cool-kitchen.com
58.137.12.228	A	th.fmsynergia.com
58.137.12.236	A	peoplemediamail.com
58.137.12.236	A	mail.peoplemediamail.com
58.137.12.236	A	webmail.peoplemediamail.com
58.137.13.2	PTR	ip-58-137-13-2.csloxinfo.com
58.137.13.2	A	ns3.aerothai.co.th
58.137.13.3	A	mail.grandparknakhon.com
58.137.13.4	PTR	ip-58-137-13-4.csloxinfo.com
58.137.13.5	A	webmail.aerothai.co.th
58.137.13.7	A	vpn.aerothai.co.th
58.137.13.45	A	interscan.aerothai.co.th
58.137.13.124	PTR	www.aerothai.co.th
58.137.13.199	PTR	ip-58-137-13-199.csloxinfo.com
58.137.13.220	PTR	ip-58-137-13-220.csloxinfo.com
58.137.14.51	PTR	mail.lpi.co.th
58.137.14.131	PTR	reverse-58-137-14-131.csloxinfo.net
58.137.14.131	A	mail1.peacecanning.com
58.137.14.131	A	mail1.fbfoodservice.com
58.137.14.226	A	www.its-tradeship.co.th
58.137.15.82	A	mail.prakit.com
58.137.15.82	A	mail.bangkokwriter.com
58.137.15.85	A	mail.hplogistics.net
58.137.15.85	A	mail.dfsbkk.com
58.137.15.87	A	mail.bangkokwriter.com
58.137.15.213	PTR	bl-58-137-15-213.csloxinfo.net
58.137.15.242	A	mail.scc.ac.th