Robtex

Up: 117.0.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 117.0.0.0/18
Down right: 117.0.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.0.0.0	PTR	localhost
117.0.0.1	PTR	localhost
117.0.0.1	A	dabin.co
117.0.0.1	A	arijoputane.com
117.0.0.2	PTR	localhost
117.0.0.3	PTR	localhost
117.0.0.128	PTR	localhost
117.0.0.129	PTR	localhost
117.0.0.130	PTR	localhost
117.0.1.2	PTR	localhost
117.0.1.25	A	vdi.fsoft.com.vn
117.0.1.128	PTR	localhost
117.0.2.2	PTR	localhost
117.0.3.0	PTR	localhost
117.0.3.2	PTR	localhost
117.0.3.74	A	onlinelearning.uet.vnu.edu.vn
117.0.4.75	A	mail.taxihanoieco.com
117.0.4.75	A	ns1.taxihanoieco.com
117.0.4.131	PTR	localhost
117.0.6.129	PTR	localhost
117.0.7.1	PTR	localhost
117.0.7.3	PTR	localhost
117.0.8.2	PTR	localhost
117.0.9.2	PTR	localhost
117.0.13.2	PTR	localhost
117.0.17.128	PTR	localhost
117.0.20.2	PTR	localhost
117.0.22.172	A	messhinsungcntvina.com
117.0.22.172	A	edishinsungcntvina.com
117.0.23.1	PTR	localhost
117.0.23.155	A	anhhuan.dyndns.org
117.0.27.0	PTR	localhost
117.0.27.3	PTR	localhost
117.0.27.131	PTR	localhost
117.0.28.2	PTR	localhost
117.0.29.158	A	mail.khangminhauto.vn
117.0.29.158	A	khangminhauto.ddns.net
117.0.29.158	A	khangminh.dnsdynamic.com
117.0.30.2	PTR	localhost
117.0.32.2	A	mail1.bibomart.net
117.0.32.49	A	*.137.70-static.reverse.noithatchungcu.com
117.0.32.49	A	*.70-static.reverse.noithatchungcu.com
117.0.32.49	A	mail.todays.vn
117.0.32.238	A	www.bacgiangdpi.gov.vn
117.0.32.238	A	ldldbacgiang.org.vn
117.0.32.238	A	danhmucvietnam.net
117.0.33.97	A	mail.teenlamdep.com
117.0.33.97	A	mail.shopdepmoingay.com
117.0.33.97	A	btl.edu.vn
117.0.33.149	A	thaihung.info
117.0.33.149	A	maytinhtancuong.com
117.0.33.149	A	tancuongmobile.com
117.0.33.158	A	musicloverstravel.com
117.0.34.12	A	ccard.vn
117.0.34.25	A	disoffice.zapto.org
117.0.34.39	A	ato.vn
117.0.34.131	PTR	localhost
117.0.34.141	A	mail.megastarmedia.vn
117.0.34.151	A	mail.nazzy.vn
117.0.34.151	A	racomart.com
117.0.34.151	A	nazzy.vn
117.0.35.10	A	chuphongnet.net
117.0.35.69	A	www.tuyenlaodongnhatban.vn
117.0.35.69	A	tuyenlaodongnhatban.vn
117.0.35.69	A	www.xkldnhatban.vn
117.0.35.161	A	ohay.com.vn
117.0.35.161	A	www.ohay.com.vn
117.0.36.6	A	comngon247.com
117.0.36.31	A	vietlitetek.com
117.0.36.75	A	khanbongxuatkhau.com
117.0.36.173	A	mail.yphai.com
117.0.36.173	A	yphai.com
117.0.36.201	A	hostmaster.datviet.com.vn
117.0.36.201	A	com.datviet.com.vn
117.0.37.1	PTR	localhost
117.0.37.110	A	navisoft.com.vn
117.0.37.110	A	ozgame.net
117.0.37.110	A	phamnhan.com
117.0.37.244	A	tranthanhepu.com
117.0.37.244	A	laptrinhvui.com
117.0.37.253	A	berichmart.com
117.0.38.37	A	ftsvn.com
117.0.38.108	A	www.tasaduyenhai.com
117.0.38.108	A	jika2.com.vn
117.0.38.108	A	rorzerobotech.com
117.0.38.136	A	saigonforus.com
117.0.38.136	A	rubydana.com
117.0.38.136	A	tuanken.tk
117.0.39.22	A	tcorp.com.vn
117.0.39.167	A	mail.quydatnghean.com
117.0.43.130	PTR	localhost
117.0.48.0	PTR	localhost
117.0.48.2	PTR	localhost
117.0.49.1	PTR	localhost
117.0.49.3	PTR	localhost
117.0.49.131	PTR	localhost
117.0.51.45	A	demo.vinagon.com
117.0.52.0	PTR	localhost
117.0.52.129	PTR	localhost
117.0.53.3	PTR	localhost
117.0.57.1	PTR	localhost
117.0.57.3	PTR	localhost
117.0.57.71	A	mail.babibibo.com
117.0.57.129	PTR	localhost
117.0.58.54	A	acquyvienthongcu.com
117.0.59.130	PTR	localhost
117.0.63.0	PTR	localhost
117.0.63.131	PTR	localhost
117.0.64.1	PTR	localhost
117.0.64.2	PTR	localhost
117.0.64.3	PTR	localhost
117.0.64.128	PTR	localhost
117.0.64.129	PTR	localhost
117.0.65.0	PTR	localhost
117.0.65.1	PTR	localhost
117.0.65.3	PTR	localhost
117.0.65.129	PTR	localhost
117.0.66.0	PTR	localhost
117.0.66.1	PTR	localhost
117.0.67.0	PTR	localhost
117.0.67.131	PTR	localhost
117.0.71.0	PTR	localhost
117.0.71.1	PTR	localhost
117.0.71.3	PTR	localhost
117.0.74.128	PTR	localhost
117.0.75.130	PTR	localhost
117.0.82.2	PTR	localhost
117.0.82.3	PTR	localhost
117.0.83.130	PTR	localhost
117.0.83.131	PTR	localhost
117.0.85.129	PTR	localhost
117.0.85.131	PTR	localhost
117.0.90.1	PTR	localhost
117.0.90.31	A	banpinmattroi.com
117.0.90.131	PTR	localhost
117.0.93.1	PTR	localhost
117.0.95.249	A	auvamua.com
117.0.96.128	PTR	localhost
117.0.100.2	PTR	localhost
117.0.100.3	PTR	localhost
117.0.100.131	PTR	localhost
117.0.104.141	PTR	localhost
117.0.106.3	PTR	localhost
117.0.107.131	PTR	localhost
117.0.108.1	PTR	localhost
117.0.108.131	PTR	localhost
117.0.109.206	A	octech.no-ip.org
117.0.110.158	PTR	localhost
117.0.110.202	PTR	localhost
117.0.114.91	PTR	localhost
117.0.115.1	PTR	localhost
117.0.117.131	PTR	localhost
117.0.118.128	PTR	localhost
117.0.122.1	PTR	localhost
117.0.122.25	A	mail.scandalvn.com
117.0.122.25	A	scandalvn.com
117.0.123.131	PTR	localhost
117.0.125.0	PTR	localhost
117.0.125.2	PTR	localhost
117.0.125.3	PTR	localhost
117.0.126.0	PTR	localhost