Robtex

Up: 58.147.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 58.147.0.0/18
Down right: 58.147.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.147.0.3	PTR	mx-ll-58.147.0-3.static.tttmaxnet.com
58.147.0.3	A	www.e-tech.ac.th
58.147.0.24	A	e-org.e-tech.ac.th
58.147.0.71	A	www.e-tech.ac.th
58.147.2.131	PTR	mx-ll-58.147.2-131.static.tttmaxnet.com
58.147.6.2	PTR	mx-ll-58.147.6-2.static.tttmaxnet.com
58.147.8.2	PTR	58.147.8.2.static-range.ttt.co.th
58.147.8.2	A	bsnr.co.th
58.147.9.129	PTR	mx-ll-58.147.9-129.static.tttmaxnet.com
58.147.9.131	PTR	mx-ll-58.147.9-131.static.tttmaxnet.com
58.147.9.243	A	opizza.dnip.net
58.147.13.2	PTR	mx-ll-58.147.13-2.static.tttmaxnet.com
58.147.16.4	PTR	mail.sews-ct.co.th
58.147.17.133	A	mail.nes.co.th
58.147.18.159	A	mail.kknotebook.co.th
58.147.20.78	A	ns2.kkk222.net
58.147.20.78	A	ns2.mmm111.net
58.147.21.193	A	kcoffice.kcfresh.com
58.147.23.131	PTR	mx-ll-58.147.23-131.static.tttmaxnet.com
58.147.23.192	A	videolab.co.th
58.147.34.3	PTR	mx-ll-58.147.34-3.dynamic.tttmaxnet.com
58.147.34.4	PTR	mx-ll-58.147.34-4.dynamic.tttmaxnet.com
58.147.34.129	PTR	mx-ll-58.147.34-129.dynamic.tttmaxnet.com
58.147.47.1	PTR	mx-ll-58.147.47-1.dynamic.tttmaxnet.com
58.147.47.2	PTR	mx-ll-58.147.47-2.dynamic.tttmaxnet.com
58.147.47.128	PTR	mx-ll-58.147.47-128.dynamic.tttmaxnet.com
58.147.47.129	PTR	mx-ll-58.147.47-129.dynamic.tttmaxnet.com
58.147.48.4	PTR	mx-ll-58.147.48-4.dynamic.tttmaxnet.com
58.147.49.4	PTR	mx-ll-58.147.49-4.dynamic.tttmaxnet.com
58.147.49.131	PTR	mx-ll-58.147.49-131.dynamic.tttmaxnet.com
58.147.52.1	PTR	mx-ll-58.147.52-1.dynamic.tttmaxnet.com
58.147.52.3	PTR	mx-ll-58.147.52-3.dynamic.tttmaxnet.com
58.147.53.2	PTR	mx-ll-58.147.53-2.dynamic.tttmaxnet.com
58.147.53.3	PTR	mx-ll-58.147.53-3.dynamic.tttmaxnet.com
58.147.57.1	PTR	mx-ll-58.147.57-1.dynamic.tttmaxnet.com
58.147.66.138	PTR	mx-ll-58.147.66-138.static.tttmaxnet.com
58.147.69.72	PTR	mx-ll-58.147.69-72.static.tttmaxnet.com
58.147.69.72	A	mail.gspa-buu.net
58.147.69.81	PTR	58.147.69.81.static-range.ttt.co.th
58.147.69.81	A	mail.research-gspa.org
58.147.70.2	PTR	mx-ll-58.147.70-2.static.tttmaxnet.com
58.147.70.3	PTR	mx-ll-58.147.70-3.static.tttmaxnet.com
58.147.70.128	PTR	mx-ll-58.147.70-128.static.tttmaxnet.com
58.147.70.129	PTR	mx-ll-58.147.70-129.static.tttmaxnet.com
58.147.71.1	PTR	mx-ll-58.147.71-1.static.tttmaxnet.com
58.147.71.18	A	ns1.bethel.org.hk
58.147.71.130	PTR	mx-ll-58.147.71-130.static.tttmaxnet.com
58.147.76.1	PTR	mx-ll-58.147.76-1.static.tttmaxnet.com
58.147.76.3	PTR	mx-ll-58.147.76-3.static.tttmaxnet.com
58.147.79.85	A	mail.godiveweb.com
58.147.79.85	A	mail.kortormor.com
58.147.79.98	A	smtp2.musicbigload.com
58.147.79.98	A	smtp2.livehoro.com
58.147.84.4	PTR	mx-ll-58.147.84-4.static.tttmaxnet.com
58.147.84.129	PTR	mx-ll-58.147.84-129.static.tttmaxnet.com
58.147.86.3	PTR	mx-ll-58.147.86-3.static.tttmaxnet.com
58.147.91.4	PTR	mx-ll-58.147.91-4.static.tttmaxnet.com
58.147.97.3	PTR	mx-ll-58.147.97-3.static.tttmaxnet.com
58.147.100.32	PTR	smtp.mthai.com
58.147.100.142	PTR	demopicpost.mthai.com
58.147.100.142	PTR	picpost.mthai.com
58.147.100.144	PTR	video.mthai.com
58.147.100.146	PTR	content.mthai.com
58.147.100.146	PTR	game.mthai.com
58.147.100.146	PTR	news.mthai.com
58.147.100.147	PTR	gossipstar.mthai.com
58.147.100.147	PTR	gs.mthai.com
58.147.100.147	PTR	people.mthai.com
58.147.101.131	PTR	mx-ll-58.147.101-131.static.tttmaxnet.com
58.147.103.35	PTR	mx-ll-58.147.103-35.static.tttmaxnet.com
58.147.112.131	PTR	mx-ll-58.147.112-131.static.tttmaxnet.com
58.147.116.129	PTR	mx-ll-58.147.116-129.static.tttmaxnet.com
58.147.122.98	PTR	mx-ll-58.147.122-98.static.tttmaxnet.com
58.147.123.129	PTR	mx-ll-58.147.123-129.static.tttmaxnet.com
58.147.123.130	PTR	mx-ll-58.147.123-130.static.tttmaxnet.com
58.147.126.98	A	surgeonaids.com