Robtex

Up: 123.31.44.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 123.31.45.0/25
Down right: 123.31.45.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.31.45.10	PTR	localhost
123.31.45.10	A	www.viwa.gov.vn
123.31.45.11	A	tailieuso.org
123.31.45.18	A	gshthc.com
123.31.45.23	PTR	localhost
123.31.45.23	A	dacsanshop.com
123.31.45.23	A	www.vietek.net
123.31.45.28	A	www.giaothong24h.vn
123.31.45.45	PTR	localhost
123.31.45.45	A	www.baovinhlong.vn
123.31.45.45	A	baodongnai.com.vn
123.31.45.47	A	caonguatot.com
123.31.45.47	A	namanretreat.com
123.31.45.49	A	www.maytamnuocnhat.com
123.31.45.49	A	suckhoevacongnghe.com
123.31.45.49	A	www.ghemassagenhat.com
123.31.45.58	A	bimattuvi.com
123.31.45.59	A	sao247.vn
123.31.45.59	A	www.timzatot.vn
123.31.45.64	A	vimodel.vn
123.31.45.65	PTR	localhost
123.31.45.65	A	hotnews247.net
123.31.45.65	A	img.vimodel.vn
123.31.45.67	A	www.vanhoaonline.com.vn
123.31.45.67	A	www.vanhoaonline.vn
123.31.45.67	A	vanhoaonline.com.vn
123.31.45.71	PTR	localhost
123.31.45.71	A	hayday.vn
123.31.45.75	A	cdn2.vtvlive.vn
123.31.45.77	A	mail.vinaphone-mgamemarket.com
123.31.45.77	A	vinaphone-mgamemarket.com
123.31.45.79	PTR	localhost
123.31.45.82	A	phunuchudong.vn
123.31.45.89	PTR	localhost
123.31.45.89	A	bigkool.mobi
123.31.45.94	PTR	localhost
123.31.45.94	A	hethongao.com
123.31.45.94	A	mail.hethongao.com
123.31.45.102	A	mail.duyblue.com
123.31.45.102	A	makhuyenmai365.com
123.31.45.102	A	danhgiaxiaomi.com
123.31.45.103	A	winmart.onl
123.31.45.103	A	www.ksshop.vn
123.31.45.103	A	www.winmart.onl
123.31.45.107	A	etestmevnua.com
123.31.45.107	A	mail.etestmevnua.com
123.31.45.108	A	www.adtgroup.vn
123.31.45.110	PTR	localhost
123.31.45.110	A	www.backantv.vn
123.31.45.115	A	www.conmuavang.info.vn
123.31.45.115	A	conmuavang.info.vn
123.31.45.118	A	www.bctech.vn
123.31.45.124	A	hotrodichvuviettel.com
123.31.45.179	PTR	localhost
123.31.45.201	PTR	localhost
123.31.45.201	A	khomanhinhled.com
123.31.45.201	A	khomanhinh.com
123.31.45.202	A	ngoaihangphui.com
123.31.45.205	PTR	localhost
123.31.45.205	A	ns1.tenten.vn.nondepsaigon.net
123.31.45.205	A	ns1.tenten.vn.nonketsaigon.net
123.31.45.207	PTR	localhost
123.31.45.207	A	kimloaidotlo.com
123.31.45.207	A	www.nuocsachviet.com
123.31.45.208	PTR	localhost
123.31.45.209	PTR	localhost
123.31.45.209	A	img251.dienthoaigo.com.vn
123.31.45.209	A	arttest.dienthoaigo.com.vn
123.31.45.210	A	mail.viendaotao.vn
123.31.45.212	PTR	localhost
123.31.45.212	A	*.172.68-static.reverse.noithat360.com.vn
123.31.45.212	A	adlog.noithat360.com.vn
123.31.45.213	PTR	localhost
123.31.45.213	A	ec-vn.com
123.31.45.214	PTR	localhost
123.31.45.214	A	ns1.tenten.vn.munonvn.net
123.31.45.214	A	ns1.tenten.vn.munonsaigon.net
123.31.45.217	PTR	localhost
123.31.45.217	A	catcat.com.vn
123.31.45.217	A	natureviet.com
123.31.45.219	PTR	localhost
123.31.45.219	A	damynghetinhhanh.com
123.31.45.219	A	ruttien24h.com
123.31.45.220	A	mail.minhlongjsc.com
123.31.45.223	A	ns2.ohdayroi.com
123.31.45.223	A	mail.tienichonl.com
123.31.45.223	A	tienichonl.com
123.31.45.224	PTR	localhost
123.31.45.224	A	mail.silentbaytravel.com
123.31.45.224	A	silentbaytravel.com
123.31.45.227	PTR	static.vnpt.vn
123.31.45.227	A	beatfiltering.com2fhttp3atools.neolink.vn
123.31.45.227	A	*.bo3.tools.neolink.vn
123.31.45.228	PTR	localhost
123.31.45.228	A	www.munonquangcao.com
123.31.45.228	A	nonquangcaohcm.com
123.31.45.230	PTR	localhost
123.31.45.230	A	root.sanvang.com
123.31.45.230	A	*.sanvang.com
123.31.45.231	PTR	localhost
123.31.45.231	A	bdsthachthat.com
123.31.45.231	A	visanet.vn
123.31.45.232	PTR	localhost
123.31.45.232	A	suachuanhagiarehcm.com
123.31.45.232	A	solavinadaknong.com
123.31.45.233	PTR	localhost
123.31.45.233	A	www.vienthammyskydiamond.vn
123.31.45.233	A	vienthammyskydiamond.com
123.31.45.234	A	phuotdanang.com
123.31.45.234	A	tabaloshop.net
123.31.45.234	A	giayphuothanoi.com
123.31.45.236	PTR	localhost
123.31.45.236	A	phanmemdaiviet.com
123.31.45.236	A	srothienan.com
123.31.45.238	A	srotanvuong.com
123.31.45.239	A	xettuyenonline.com
123.31.45.239	A	gomgiang.vn
123.31.45.239	A	thongtinhanquoc.net
123.31.45.240	PTR	localhost
123.31.45.240	A	ns1.cncaptech.edu.vn
123.31.45.240	A	cncsofts.com
123.31.45.241	A	mail.tincaymen.com
123.31.45.241	A	cayxanhcaygionggiare.com
123.31.45.241	A	tincaymen.com
123.31.45.242	PTR	localhost
123.31.45.242	A	mail.phukienbentre.com
123.31.45.242	A	mail.lochung.vn
123.31.45.243	PTR	localhost
123.31.45.243	A	inviethanjsc.com
123.31.45.243	A	autodaitin.com
123.31.45.244	A	banhdabacgiang.com
123.31.45.244	A	www.senbeautique.com
123.31.45.244	A	www.dalattourism.vn
123.31.45.245	A	bidzbee.com
123.31.45.246	A	dongphuchuytai.com
123.31.45.246	A	daoplat.net
123.31.45.246	A	nhahanghuongduyen.com.vn
123.31.45.247	PTR	localhost
123.31.45.247	A	www.kikivn.net
123.31.45.247	A	ns4.tenten.vn.trinhgiaphat.com.vn
123.31.45.248	PTR	localhost
123.31.45.250	PTR	localhost
123.31.45.250	A	bvote.vn
123.31.45.251	PTR	localhost
123.31.45.251	A	gigadet.com
123.31.45.252	A	www.giaybom.com
123.31.45.253	A	bloggia.vn
123.31.45.253	A	www.bloggia.vn
123.31.45.254	A	vvplus.info
123.31.45.254	A	clip.vvplus.info
123.31.45.254	A	visitpush.com