Robtex

Up: 203.113.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.113.12.0/23
Down right: 203.113.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.113.12.2	PTR	cwt-core-01.totisp.net
203.113.12.7	A+PTR	kkm-ll-01.totisp.net
203.113.12.10	A+PTR	cwt-idcterm-01.totisp.net
203.113.12.10	A	bwtest.totisp.net
203.113.12.15	A	cwt-dnssw-01.totisp.net
203.113.12.27	A	lks-isp-01.totisp.net
203.113.12.29	PTR	cwt-dist-02.totisp.net
203.113.12.38	A	cwt-core-03.totisp.net
203.113.12.39	A	kkm-core-03.totisp.net
203.113.12.51	A+PTR	cwt-b20fl7mmgw-01.totisp.net
203.113.12.53	PTR	cwt-core-02.totisp.net
203.113.12.53	A	cwt-dist-02.totisp.net
203.113.12.62	A	smi-isp-01.totisp.net
203.113.12.63	A	cwt-gw-01.totisp.net
203.113.12.68	A	cwt-idcf7fw-01.totisp.net
203.113.12.76	A	cwt-core-01.totisp.net
203.113.12.78	A	kkm-core-01.totisp.net
203.113.12.130	A+PTR	cwt-idcgw-02.totisp.net
203.113.12.153	A	cwt-idcdist-02.totisp.net
203.113.12.156	A	cwt-idcaggre-01-vdc1.totisp.net
203.113.12.157	A	cwt-idcaggre-02-vdc1.totisp.net
203.113.12.202	A+PTR	nsn-ispcgw-01.totisp.net
203.113.13.3	PTR	203.113.13.3.static.totisp.net
203.113.13.12	PTR	203.113.13.12.static.totisp.net
203.113.13.21	PTR	ten-gi-0-9-2-0_3000.cwt-core-03.totisp.net
203.113.13.103	PTR	scanmail.totisp.net
203.113.14.2	PTR	203-113-14-2.totisp.net
203.113.14.4	A	ridcctv.com
203.113.14.5	A	azec2019.com
203.113.14.7	PTR	203-113-14-7.totisp.net
203.113.14.14	PTR	203-113-14-14.totisp.net
203.113.14.24	PTR	hq-systemisp-05.totisp.net
203.113.14.35	PTR	203-113-14-35.totisp.net
203.113.14.56	A	watkae.org
203.113.14.56	A	www.watkae.org
203.113.14.56	A	www.banpang.org
203.113.14.89	PTR	203-113-14-89.totisp.net
203.113.14.107	PTR	203-113-14-107.totisp.net
203.113.14.117	PTR	203-113-14-117.totisp.net
203.113.14.121	PTR	203-113-14-121.totisp.net
203.113.14.144	PTR	203-113-14-144.totisp.net
203.113.14.174	PTR	203-113-14-174.totisp.net
203.113.14.179	PTR	203-113-14-179.totisp.net
203.113.14.216	PTR	203-113-14-216.totisp.net
203.113.14.251	PTR	203-113-14-251.totisp.net
203.113.15.1	A	cwt-totispfw-01.totisp.net
203.113.15.5	PTR	ge0-2-0-0.gw2-cwt.totisp.net
203.113.15.14	PTR	203-113-15-14.totisp.net
203.113.15.19	PTR	vlan-70.cwt-idcgw-02.totisp.net
203.113.15.22	PTR	203-113-15-22.totisp.net
203.113.15.29	PTR	gig-1-20.kkm-dist-02.totisp.net
203.113.15.40	A+PTR	cwt-patch-07.trdownload.in.th
203.113.15.41	PTR	cwt-trpatchvip-01.trdownload.in.th
203.113.15.41	A	server-tr.tk
203.113.15.50	PTR	203-113-15-50.totisp.net
203.113.15.54	PTR	203-113-15-54.totisp.net
203.113.15.59	PTR	203-113-15-59.totisp.net
203.113.15.69	PTR	203-113-15-69.totisp.net
203.113.15.71	PTR	203-113-15-71.totisp.net
203.113.15.74	PTR	203-113-15-74.totisp.net
203.113.15.81	PTR	203-113-15-81.totisp.net
203.113.15.84	PTR	203-113-15-84.totisp.net
203.113.15.86	PTR	203-113-15-86.totisp.net
203.113.15.88	PTR	203-113-15-88.totisp.net
203.113.15.89	PTR	203-113-15-89.totisp.net
203.113.15.99	PTR	ns1.totisp.net
203.113.15.100	PTR	203-113-15-100.totisp.net
203.113.15.103	PTR	203-113-15-103.totisp.net
203.113.15.106	PTR	203-113-15-106.totisp.net
203.113.15.111	PTR	203-113-15-111.totisp.net
203.113.15.114	A+PTR	naga-01.totisp.net
203.113.15.115	A	garuda-01.totisp.net
203.113.15.117	PTR	203-113-15-117.totisp.net
203.113.15.123	PTR	ns2.totisp.net
203.113.15.124	PTR	phoenix-04.totisp.net
203.113.15.125	PTR	203-113-15-125.totisp.net
203.113.15.126	A	minotaur.totisp.net
203.113.15.131	A	ws1.totisp.net
203.113.15.133	A+PTR	ws2.totisp.net
203.113.15.133	A	ns1.totidc.net
203.113.15.134	PTR	203-113-15-134.totisp.net
203.113.15.134	A	griffin.totisp.net
203.113.15.135	PTR	harpie.totisp.net
203.113.15.136	A+PTR	www.totonline.net
203.113.15.142	PTR	203-113-15-142.totisp.net
203.113.15.143	PTR	ws3.totisp.net
203.113.15.143	A	siamtaisei.co.th
203.113.15.143	A	www.ipstar.tot.co.th
203.113.15.153	PTR	203-113-15-153.totisp.net
203.113.15.161	A	hydra.totisp.net
203.113.15.162	A	cwt-idcb4fw-01.totisp.net
203.113.15.168	PTR	203-113-15-168.totisp.net
203.113.15.173	PTR	203-113-15-173.totisp.net
203.113.15.176	PTR	203-113-15-176.totisp.net
203.113.15.180	PTR	203-113-15-180.totisp.net
203.113.15.188	PTR	203-113-15-188.totisp.net
203.113.15.194	PTR	203-113-15-194.totisp.net
203.113.15.209	PTR	203-113-15-209.totisp.net
203.113.15.213	PTR	203-113-15-213.totisp.net
203.113.15.217	PTR	203-113-15-217.totisp.net
203.113.15.229	PTR	203-113-15-229.totisp.net
203.113.15.230	PTR	203-113-15-230.totisp.net
203.113.15.235	A+PTR	bwm7.totisp.net
203.113.15.239	PTR	203-113-15-239.totisp.net
203.113.15.253	PTR	203-113-15-253.totisp.net