Robtex

Up: 221.132.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 221.132.16.0/22
Down right: 221.132.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.132.16.0	PTR	localhost
221.132.16.2	PTR	static.vnpt.vn
221.132.16.241	PTR	localhost
221.132.17.8	PTR	221.132.17.0-static
221.132.17.8	A	dogolamhong.com
221.132.17.8	A	mx.nganhahotel.com.vn
221.132.17.16	PTR	221.132.17.0-static
221.132.17.16	A	mail.sarakorea.vn
221.132.17.16	A	nganhahotel.com.vn
221.132.17.17	PTR	static.vnpt.vn
221.132.17.17	A	mail.sieuthigiaypatin.com
221.132.17.17	A	mail.acervietnam.net
221.132.17.18	PTR	static.vnpt.vn
221.132.17.19	PTR	vps19.vbz.vn
221.132.17.25	PTR	ms1.diemnhan.net
221.132.17.25	A	mail.thegioipatin.vn
221.132.17.25	A	mail.shoppatin.com
221.132.17.26	PTR	static.vnpt.vn
221.132.17.27	PTR	static.vnpt.vn
221.132.17.27	A	mail.sieuthigiaypatin.net
221.132.17.28	PTR	static.vnpt.vn
221.132.17.29	A	mail.sieuthipatin.com
221.132.17.32	A	tin.icb.com.vn
221.132.17.33	PTR	static.vnpt.vn
221.132.17.33	A	mail.giay1banh.com
221.132.17.37	A	mail.giaymotbanh.com
221.132.17.51	A	mail.thegioipatin.com.vn
221.132.17.55	A	mail.asusvietnam.net
221.132.17.57	A	mail.myphamoriflame.net
221.132.17.84	A	mail.v-point.vn
221.132.17.103	A	tantamquoc.vn
221.132.17.134	A	xexichlo.com
221.132.17.134	A	*.maydemtien.vn
221.132.17.134	A	suacandientu.vn
221.132.17.145	PTR	static.vnpt.vn
221.132.17.151	PTR	static.vnpt.vn
221.132.17.165	PTR	static.vnpt.vn
221.132.17.185	PTR	static.vnpt.vn
221.132.17.185	A	trochoinauan.vn
221.132.17.186	A	mail.boluudien.net.vn
221.132.17.186	A	hoangkimvietgroup.com
221.132.17.186	A	background-www.boluudien.net.vn
221.132.17.194	A	nhadatcanban.com.vn
221.132.18.5	A	img.hayhaytv.com
221.132.18.10	A	static.advalue.com.vn
221.132.18.10	A	ss.yomedia.vn
221.132.18.12	A	static.advalue.com.vn
221.132.18.12	A	ss.yomedia.vn
221.132.18.19	A	mail.dmmt.vn
221.132.18.21	A	sotuphapangiang.com
221.132.18.22	A	quangcaotonghop.com
221.132.18.22	A	trangvangcongnghe.com
221.132.18.26	A	thcs.t3h.vn
221.132.18.28	A	tailieuhoctap.vn
221.132.18.28	A	dulieu.tailieuhoctap.vn
221.132.18.39	A	unitasvietnam.com
221.132.18.39	A	robusta.vn
221.132.18.42	A	baogiadichvu.com
221.132.18.43	A	www.robusta.vn
221.132.18.46	A	applinhtinh.com
221.132.18.50	A	daklak.city
221.132.18.50	A	www.daklak.city
221.132.18.51	A	www.vntoday.xyz
221.132.18.51	A	sapaluxurytravel.com
221.132.18.75	A	mail.nghecongchung.com
221.132.18.75	A	www.ruounep.net
221.132.18.75	A	noithatquocdung.com
221.132.18.101	A	yte-hatinh.vnpthis.vn
221.132.18.111	A	vnptdaknong.qlvbdh.vnpt.vn
221.132.18.113	A	bqlattphcm.vnptioffice.vn
221.132.18.113	A	phuyen.vnptioffice.vn
221.132.18.114	A	vnptdaknong.qlvbdh.vnpt.vn
221.132.18.114	A	vpdt.hungduy.com.vn
221.132.18.152	A	mail.camnangtiepthi.com
221.132.18.153	A	mail.camnangtieudung.net
221.132.18.157	A	mail.chotinhduc.com
221.132.18.162	PTR	dc18.kdata.vn
221.132.18.162	A	www.tinhdauthiennhiengiasi.net
221.132.18.163	PTR	dc18.kdata.vn
221.132.18.164	PTR	dc18.kdata.vn
221.132.18.164	A	hara.vn
221.132.18.164	A	sku.vn
221.132.18.168	A	vietfungi.com
221.132.18.168	A	kientao.com.vn
221.132.18.169	A	mail.motorolavietnam.net
221.132.18.171	PTR	dc18.kdata.vn
221.132.18.171	A	mail02.haravan.vn
221.132.18.177	A	mail.giuchotenmien.net
221.132.18.178	A	mail.hitachivietnam.net
221.132.18.181	PTR	msgin.berllake.net
221.132.18.181	A	mail.phaimanh.net
221.132.18.183	A	mail.phanmemmaytinh.net
221.132.18.185	A	mail.linhkienipad.com
221.132.18.186	A+PTR	balnergy.com
221.132.18.187	A	mail.phukienthamtu.com
221.132.18.188	A	dcine.live
221.132.18.192	A	mail.linhkienxehoi.net
221.132.18.192	A	mail.manhnguyenmobile.com
221.132.18.198	PTR	ms01.mailsecure.cloud
221.132.18.198	A	onlinevina.vn
221.132.18.198	A	www.onlinevina.vn
221.132.18.199	PTR	ms02.mailsecure.cloud
221.132.18.203	A	www.midesk.vn
221.132.18.203	A	misms.vn
221.132.18.203	A	micxm.vn
221.132.18.210	A	xmpp.midesk.vn
221.132.18.216	A	gogogo.cf
221.132.18.216	A	gotek.vn
221.132.18.216	A	gogogo.gq
221.132.18.236	A	doppio.loship.vn
221.132.18.236	A	soju.loship.vn
221.132.18.242	A	www.vanlong.us
221.132.18.242	A	vanlong.us
221.132.18.245	A	tea-2.lozi.vn
221.132.18.249	A	mocha.lozi.vn
221.132.18.250	A	chienbinhloship.com
221.132.18.250	A	mocuahangtrenloship.com
221.132.18.250	A	med.loship.vn
221.132.19.2	A	www.sahara.com.vn
221.132.19.5	A	baotrivitinh.com
221.132.19.6	A	suaipad.org
221.132.19.10	A	phauthuatimplant.com
221.132.19.11	A	rangsumy.com
221.132.19.15	A	chinhrangho.com
221.132.19.15	A	xinchaovietnam.edu.vn
221.132.19.16	A	rangsutitan.com
221.132.19.17	A	yeuamnhac.edu.vn
221.132.19.17	A	ranggiacodinh.com
221.132.19.18	A	niengrangthammy.net
221.132.19.25	A	trongranggia.net
221.132.19.26	A	benhnhakhoa.com
221.132.19.27	A	chinhnhathaolap.com
221.132.19.28	A	niengrangho.com
221.132.19.35	A	phohue.edu.vn
221.132.19.37	A	channuoi.org
221.132.19.38	A	caphesang.edu.vn
221.132.19.45	A	thegioishowbiz.edu.vn
221.132.19.46	A	gioithieuvieclam.edu.vn
221.132.19.47	A	chuyenphophuong.org
221.132.19.49	A	chavacon.edu.vn
221.132.19.50	A	nhachu.edu.vn
221.132.19.52	A	mientayyeuthuong.org
221.132.19.53	A	nguoidanang.org
221.132.19.60	A	yeuvasong.edu.vn
221.132.19.63	A	nuoica.edu.vn
221.132.19.64	A	nhipsongdothi.edu.vn
221.132.19.67	A	diendanlamchame.org
221.132.19.68	A	chinhnhakhongnhorang.org
221.132.19.69	A	anhdepvietnam.org
221.132.19.74	A	bacsinhakhoa.vn
221.132.19.75	A	bangiasi.edu.vn
221.132.19.76	A	bocrangsu.edu.vn
221.132.19.77	A	chamsocrangdep.edu.vn
221.132.19.80	A	datquang.edu.vn
221.132.19.81	A	dentalsaigon.org
221.132.19.83	A	xfactor.edu.vn
221.132.19.84	A	guongmatthanquen.org
221.132.19.88	A	quangcaobienhoa.org
221.132.19.89	A	dienthoaibienhoa.org
221.132.19.92	A	suckhoemoingay.edu.vn
221.132.19.93	A	diendandienthoai.edu.vn
221.132.19.96	A	diendansmartphone.org
221.132.19.97	A	dulichdanang.edu.vn
221.132.19.98	A	dulichhoian.org
221.132.19.99	A	quanngonsaigon.org
221.132.19.104	A	thegioicongnghe.org
221.132.19.105	A	dulichdalat.edu.vn
221.132.19.106	A	maiphuongbienhoa.org
221.132.19.107	A	fptshopbienhoa.org
221.132.19.114	A	nhorangtreem.com
221.132.19.115	A	nhakhoaphongngua.com
221.132.19.116	A	nhakhoatongquat.net
221.132.19.117	A	phuchinhcodinh.com
221.132.19.120	A	tramrang.net
221.132.19.123	A	rangho.com
221.132.19.124	A	rangmom.com
221.132.19.155	A	mail.vinaseoweb.com
221.132.20.2	A	yeuamnhac.edu.vn
221.132.20.2	A	channuoi.org
221.132.20.2	A	nhachu.edu.vn
221.132.20.9	A	chinhnhasaigon.com
221.132.20.10	A	nhakhoasaigonbh.com
221.132.20.11	A	phauthuatimplant.com
221.132.20.16	A	taytrangrang.org
221.132.20.18	A	implantsaigon.com
221.132.20.20	A	nhakhoasaigon.vn
221.132.20.22	A	rangcam.com
221.132.20.24	A	tremocrang.com
221.132.21.11	PTR	localhost
221.132.21.26	PTR	localhost
221.132.21.59	PTR	localhost
221.132.21.73	PTR	localhost
221.132.21.98	PTR	localhost
221.132.21.104	PTR	localhost
221.132.21.122	PTR	localhost
221.132.22.2	PTR	static.vnpt.vn
221.132.23.3	A+PTR	mail.hcmtelecom.com.vn
221.132.23.3	A	ebill.hcmtelecom.vn