Robtex

Up: 203.172.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 203.172.64.0/20
Down right: 203.172.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.172.66.201	A	nexon.in.th
203.172.67.36	A	webmail.ch7.com
203.172.69.4	A	www.bwc.ac.th
203.172.69.4	A	bwc.ac.th
203.172.73.56	A	zbmail.ktbst.co.th
203.172.75.36	A	ihgbangkok.com
203.172.76.34	PTR	reverse-203-172-76-34.csloxinfo.net
203.172.76.65	PTR	reverse-203-172-76-65.csloxinfo.net
203.172.76.129	PTR	reverse-203-172-76-129.csloxinfo.net
203.172.76.131	PTR	reverse-203-172-76-131.csloxinfo.net
203.172.76.192	PTR	reverse-203-172-76-192.csloxinfo.net
203.172.76.193	PTR	reverse-203-172-76-193.csloxinfo.net
203.172.76.194	PTR	reverse-203-172-76-194.csloxinfo.net
203.172.76.195	PTR	reverse-203-172-76-195.csloxinfo.net
203.172.76.225	PTR	reverse-203-172-76-225.csloxinfo.net
203.172.76.226	PTR	reverse-203-172-76-226.csloxinfo.net
203.172.76.227	PTR	reverse-203-172-76-227.csloxinfo.net
203.172.77.10	A	ns1.set.or.th
203.172.77.21	A	wdn001.wip1.settrade.com
203.172.77.23	A	wdn003.wip1.settrade.com
203.172.77.43	A	wen043.wip1.settrade.com
203.172.77.44	A	wen043.wip1.settrade.com
203.172.77.46	A	wen046.wip1.settrade.com
203.172.77.47	A	wen046.wip1.settrade.com
203.172.77.55	A	rn.wip1.settrade.com
203.172.77.62	A	wen062.wip1.settrade.com
203.172.77.63	A	wen062.wip1.settrade.com
203.172.77.205	A	sense.wip1.settrade.com
203.172.80.0	PTR	reverse-203-172-80-0.csloxinfo.net
203.172.80.1	PTR	reverse-203-172-80-1.csloxinfo.net
203.172.80.1	A	pop.bangkokshuho.com
203.172.80.1	A	webmail.eplus.co.th
203.172.80.2	PTR	axmail12.csloxinfo.com
203.172.80.3	PTR	axmail13.csloxinfo.com
203.172.81.0	PTR	reverse-203-172-81-0.csloxinfo.net
203.172.81.224	PTR	reverse-203-172-81-224.csloxinfo.net
203.172.83.37	PTR	reverse-203-172-83-37.csloxinfo.net
203.172.88.1	PTR	reverse-203-172-88-1.csloxinfo.net
203.172.88.32	PTR	reverse-203-172-88-32.csloxinfo.net
203.172.88.35	PTR	reverse-203-172-88-35.csloxinfo.net
203.172.88.99	PTR	reverse-203-172-88-99.csloxinfo.net
203.172.88.130	PTR	reverse-203-172-88-130.csloxinfo.net
203.172.88.162	PTR	reverse-203-172-88-162.csloxinfo.net
203.172.88.163	PTR	reverse-203-172-88-163.csloxinfo.net
203.172.88.194	PTR	reverse-203-172-88-194.csloxinfo.net
203.172.88.224	PTR	reverse-203-172-88-224.csloxinfo.net
203.172.88.226	PTR	reverse-203-172-88-226.csloxinfo.net
203.172.92.33	A	lir-nsnmt1.csloxinfo.net
203.172.93.43	A	ras-pktlf3.csloxinfo.net