Robtex

Up: 42.117.2.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 42.117.2.0/25
Down right: 42.117.2.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
42.117.2.2	PTR	mail.hoangnguyengroup.vn
42.117.2.2	A	dvnguyenkim.com
42.117.2.2	A	mail.giay-nam.com
42.117.2.3	PTR	server23.bangthongviet.vn
42.117.2.3	A	webmail.khongian.org
42.117.2.3	A	free-dj.clubviet.net
42.117.2.4	A	ultimateshopify.com
42.117.2.4	A	onghoangchungkhoan.com
42.117.2.4	A	bacthayoption.com
42.117.2.5	A	ghe-massage-nhat-ban.com
42.117.2.6	A	ghe-massage-nhat-ban.com
42.117.2.6	A	dungcuthehinh.thethaodaiviet.com
42.117.2.6	A	thethaodaiviet.com
42.117.2.8	A	baohophuctai.com
42.117.2.10	A	linkhrs.net
42.117.2.13	PTR	top-left.linkhrs.net
42.117.2.13	A	dungcungoaitroi.com
42.117.2.14	PTR	f171-enews-folder.linkhrs.net
42.117.2.14	A	tuvanphonggym.com
42.117.2.14	A	thanhlyphongtap.com
42.117.2.19	A	root.phimvang.info
42.117.2.19	A	mail.phimvang.info
42.117.2.19	A	ns1.vnnavi.net
42.117.2.21	PTR	server221.bangthongviet.vn
42.117.2.21	A	congchungbuingochieu.com
42.117.2.21	A	mail.duanvinhomekhanhhoi.net
42.117.2.22	A+PTR	server222.bangthongviet.vn
42.117.2.22	A	lucygod.com
42.117.2.22	A	gamemobileviet.com
42.117.2.23	A	images.sieuthitaigia.vn
42.117.2.23	A	lovetuyenquang.com
42.117.2.23	A	images.elipsport.vn
42.117.2.24	PTR	server224.bangthongviet.vn
42.117.2.24	A	sampviet.com
42.117.2.24	A	come.view-pictures.123muavaban.com
42.117.2.25	A	tuvanmoitruongviet.com
42.117.2.25	A	hoachatnhapkhau.com
42.117.2.25	A	coidemit.com
42.117.2.26	PTR	server226.bangthongviet.vn
42.117.2.26	A	muaonline247.com
42.117.2.26	A	wapmienphi.org
42.117.2.27	A+PTR	server227.bangthongviet.vn
42.117.2.27	A	mail.banxetaitragop.com
42.117.2.27	A	batdongsanthanglong.com
42.117.2.28	PTR	server228.bangthongviet.vn
42.117.2.28	A	10.djviet.com.vn
42.117.2.28	A	187.djviet.com.vn
42.117.2.30	A	daivietsport.com
42.117.2.30	A	flymyname.com
42.117.2.30	A	mail.hoathuyettimmach.vn
42.117.2.33	PTR	mail.oaihung.com
42.117.2.35	PTR	server235.bangthongviet.vn
42.117.2.35	A	blog6.backlinks.clubs38.net
42.117.2.35	A	www.js.dj.clubs38.net
42.117.2.36	A+PTR	server236.bangthongviet.vn
42.117.2.38	A	adobe-dns.5up.vn
42.117.2.38	A	abacus.abuse.5up.vn
42.117.2.38	A	cnz.5up.vn
42.117.2.42	A	maichoitn.net
42.117.2.42	A	www.gocsex.net
42.117.2.42	A	gocsex.net
42.117.2.44	PTR	server244.bangthongviet.vn
42.117.2.44	A	autoindustry536.blog.dictionaries.dj.clubs38.net
42.117.2.44	A	264770464.6461796c6967687477696e64796a616e6540686f746d616message.xalo.biz
42.117.2.45	PTR	mail.honhuico.com
42.117.2.45	A	quangbinhit.com
42.117.2.50	PTR	mail.benhvienthuduc.vn
42.117.2.50	A	gocnhophunu.net
42.117.2.50	A	benhvienthuduc.com.vn
42.117.2.51	A	meotrimun.net
42.117.2.51	A	mx.meotrimun.net
42.117.2.51	A	kemtrinamdamat.net
42.117.2.52	A	broker.aoetv.vn
42.117.2.52	A	bz2.aoetv.vn
42.117.2.52	A	forum.aoetv.vn
42.117.2.56	PTR	mail56.sunshinevn.com
42.117.2.56	A	pomcrm.com
42.117.2.56	A	baobihoaminh.com
42.117.2.57	PTR	mail57.sunshinevn.com
42.117.2.57	A	f5style.info
42.117.2.59	A	vietguard.org
42.117.2.60	A	yeuhanh.nl
42.117.2.60	A	yourniq.com
42.117.2.61	A	ithanaka.com
42.117.2.61	A	sungairsoft.net
42.117.2.61	A	allstyles.us
42.117.2.83	A	mail.tandao.tk
42.117.2.96	A	tudonghoa.org
42.117.2.96	A	mt-softvn.com
42.117.2.96	A	htedu.info
42.117.2.131	A	www.baobinhthuan.com.vn
42.117.2.131	A	namtrungbo.com
42.117.2.131	A	mail.baobinhthuan.com.vn
42.117.2.133	A	netado.vn
42.117.2.161	A+PTR	mail.apkgala.com
42.117.2.162	A+PTR	mail.khanhnhu.net
42.117.2.163	A	lehoanggia.net
42.117.2.165	A	khanhnhu.net
42.117.2.165	A	www.dienvan.com
42.117.2.170	A	dienvan.com
42.117.2.170	A	mail.dienvan.com
42.117.2.173	A	khudancudainam.com
42.117.2.173	A	anmyhotel.com
42.117.2.174	A	monngonmoiben.com
42.117.2.195	A	alireviews-dev.fireapps.io
42.117.2.195	A	aliorders-dev.fireapps.io
42.117.2.195	A	alireviews-v3.fireapps.io
42.117.2.201	A	fireapps.vn
42.117.2.201	A	gamego.com
42.117.2.206	A	mail.dauhubinhduong.com
42.117.2.206	A	phongphucctv.com
42.117.2.206	A	dauhubinhduong.com