Robtex

Up: 27.72.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 27.72.0.0/18
Down right: 27.72.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.72.0.0	PTR	localhost
27.72.0.138	PTR	localhost
27.72.0.244	PTR	localhost
27.72.1.20	PTR	localhost
27.72.1.20	A	mail01.agrivina.com
27.72.1.20	A	dalathasfarm.com
27.72.1.35	A	raovatdaknong.com
27.72.4.2	PTR	localhost
27.72.6.2	PTR	localhost
27.72.17.76	A	cknguyen.org
27.72.17.167	PTR	localhost
27.72.18.33	PTR	localhost
27.72.19.245	PTR	localhost
27.72.19.245	A	beautymonday.com
27.72.19.253	PTR	localhost
27.72.21.8	PTR	localhost
27.72.21.13	PTR	localhost
27.72.21.13	A	npmb.vn
27.72.21.13	A	nppmb.vn
27.72.21.34	A	mail.vicembutson.com.vn
27.72.21.135	PTR	dynamic-adsl.viettel.vn
27.72.22.37	PTR	dynamic-adsl.viettel.vn
27.72.22.37	A	xbqdnd.vn
27.72.23.66	A+PTR	mail.ancnc.vn
27.72.23.66	A	www.phuchoidata.com
27.72.23.66	A	mail.phuchoidata.com
27.72.23.70	A	ancnc.vn
27.72.26.63	PTR	localhost
27.72.28.111	A	www.adctopweb.com
27.72.28.111	A	quoctehanoi.edu.vn
27.72.28.219	PTR	localhost
27.72.28.219	A	hanoidigestivecenter.net
27.72.28.226	A	vgs.vn
27.72.29.41	PTR	dynamic-adsl.viettel.vn
27.72.29.41	A	en-cls.vn
27.72.29.108	PTR	localhost
27.72.29.180	A	ticketingnamthanh.com
27.72.29.180	A	tdev.tk
27.72.29.180	A	supportnamthanh.com
27.72.30.42	PTR	dynamic-adsl.viettel.vn
27.72.30.42	A	mail.landdecor.vn
27.72.30.182	A	iocorner.com
27.72.30.244	A	linhkientuancuong.com
27.72.30.244	A	www.machintuancuong.com
27.72.31.30	A	mail.amonir.com
27.72.31.30	A	amonir.com
27.72.31.96	A	phinvlabs.com
27.72.31.96	A	dlccomplexs.com
27.72.31.111	PTR	localhost
27.72.31.185	A	mail.phanbonquocgia.gov.vn
27.72.31.185	A	www.phanbonquocgia.gov.vn
27.72.31.185	A	phanbonquocgia.gov.vn
27.72.32.130	PTR	localhost
27.72.36.68	PTR	localhost
27.72.40.71	PTR	localhost
27.72.40.186	PTR	localhost
27.72.41.196	A	danngason.asia
27.72.42.131	A	ximanglongson.com
27.72.42.167	PTR	localhost
27.72.42.167	A	maytinhquocthai.com
27.72.42.167	A	www.maytinhquocthai.com
27.72.44.113	PTR	localhost
27.72.45.173	PTR	localhost
27.72.45.221	PTR	dynamic-ip-adsl.viettel.vn
27.72.46.135	PTR	localhost
27.72.46.142	A	tudonghoathaibinh.com
27.72.46.142	A	truongchinhtrithaibinh.edu.vn
27.72.46.142	A	mttq.thaibinh.gov.vn
27.72.47.138	PTR	localhost
27.72.49.122	PTR	localhost
27.72.49.197	PTR	localhost
27.72.49.221	PTR	dynamic-ip-adsl.viettel.vn
27.72.49.251	PTR	localhost
27.72.56.28	PTR	localhost
27.72.56.28	A	kb.ftl.vn
27.72.56.28	A	products.php.kb.ftl.vn
27.72.56.142	PTR	localhost
27.72.56.142	A	fsivietnam.com.vn
27.72.56.142	A	fsivietnam.vn
27.72.56.186	PTR	localhost
27.72.56.186	A	habanosvn.com
27.72.56.186	A	www.mamnonminhduong.edu.vn
27.72.56.196	PTR	localhost
27.72.56.217	PTR	localhost
27.72.57.17	PTR	localhost
27.72.57.17	A	hyundai-hn.com
27.72.57.45	PTR	localhost
27.72.57.55	PTR	localhost
27.72.57.124	PTR	dynamic-ip-adsl.viettel.vn
27.72.57.124	A	truyen-api.sachmem.vn
27.72.57.124	A	comments.sachmem.vn
27.72.57.151	PTR	localhost
27.72.57.151	A	tonkinland.com
27.72.57.151	A	www.quangcaosanbay.net
27.72.57.215	PTR	localhost
27.72.58.78	A+PTR	mail.trucbach.vn
27.72.58.78	A	trucbach.vn
27.72.58.78	A	ytuongmoi.com.vn
27.72.58.160	A	grdsolution.com
27.72.58.237	A	bdviet.org
27.72.59.9	PTR	localhost
27.72.59.209	PTR	localhost
27.72.59.253	A	qbvptrhagiang.vn
27.72.59.253	A	www.siteam.vn
27.72.59.253	A	codetechone.com
27.72.60.5	A	haybuonban.com
27.72.60.5	A	keyweb.vn
27.72.60.5	A	ksmain.com
27.72.60.25	PTR	localhost
27.72.61.21	PTR	mail.galaxyvietnam.vn
27.72.61.21	PTR	mail.hisungdoor.com
27.72.61.21	A	mail.galaxyviet.vn
27.72.61.38	PTR	localhost
27.72.61.38	A	onfire.vn
27.72.61.38	A	imbastore.vn
27.72.62.125	A	www.alodenled.vn
27.72.62.125	A	linhkieneu.com
27.72.62.125	A	nhadatthanhoai.com
27.72.62.254	PTR	localhost
27.72.63.13	A	giaidieu.com
27.72.63.130	PTR	localhost
27.72.63.130	A	clbmohinh.com
27.72.63.160	PTR	dynamic-ip-adsl.viettel.vn
27.72.63.165	A	tusachluat.vn
27.72.63.165	A	luattrongtay.vn
27.72.63.165	A	www.luattrongtay.vn
27.72.63.168	PTR	localhost
27.72.64.235	PTR	localhost
27.72.65.33	PTR	localhost
27.72.68.135	PTR	localhost
27.72.68.140	A	ttcvn.net
27.72.69.210	A	bttytb.hopto.org
27.72.72.34	PTR	localhost
27.72.72.98	PTR	localhost
27.72.72.98	A	mail.sannhiquangninh.vn
27.72.72.98	A	sannhiquangninh.vn
27.72.72.224	PTR	dynamic-adsl.viettel.vn
27.72.73.9	A	noscosmetics.com
27.72.73.166	PTR	localhost
27.72.73.199	PTR	localhost
27.72.73.199	A	cdythaiphong.edu.vn
27.72.73.242	A	mail.cayxanhhaihung.com
27.72.75.227	PTR	dynamic-ip-adsl.viettel.vn
27.72.76.2	A	qltacphamvhntpt.com
27.72.79.198	A	thptphandinhgiot.edu.vn
27.72.79.198	A	www.thpt-tuangiao-dienbien.edu.vn
27.72.79.198	A	thpt-tuangiao-dienbien.edu.vn
27.72.79.229	PTR	localhost
27.72.80.9	PTR	localhost
27.72.80.102	PTR	dynamic-ip-adsl.viettel.vn
27.72.80.102	A	chuyenkhamnamkhoabacninh.com
27.72.80.237	A	srolegends.com
27.72.81.168	PTR	dynamic-ip-adsl.viettel.vn
27.72.84.87	PTR	dynamic-ip-adsl.viettel.vn
27.72.84.87	A	bvcubadonghoi.vn
27.72.84.138	A	smtp.gelowitz.org
27.72.86.168	PTR	ftts.co
27.72.86.168	PTR	mail.fortresstooks.com.vn
27.72.88.50	A	vimcitygialam.com
27.72.88.54	A	hrm.eurowindow.biz
27.72.88.84	PTR	localhost
27.72.88.84	A	dinhdoship.com
27.72.88.84	A	metjc.com
27.72.88.105	PTR	localhost
27.72.88.155	PTR	localhost
27.72.88.155	A	pvr.vn
27.72.88.155	A	svpgate.com
27.72.88.167	PTR	dynamic-ip-adsl.viettel.vn
27.72.88.220	A	viwa.gov.vn
27.72.90.118	PTR	localhost
27.72.90.118	A	foutecvn.com
27.72.95.134	PTR	dynamic-ip-adsl.viettel.vn
27.72.96.31	A	kienthuctieuduong.vn
27.72.96.190	PTR	dynamic-ip-adsl.viettel.vn
27.72.96.190	A	www.erpvietnam.vn
27.72.96.190	A	www.ehoadon.com.vn
27.72.97.106	A	tingsystem.com
27.72.97.106	A	tingsystem.vn
27.72.97.106	A	www.tingsystem.vn
27.72.97.159	PTR	dynamic-adsl.viettel.vn
27.72.97.159	A	computervision.vn
27.72.97.159	A	assd.tk
27.72.100.108	A	ktht.nuce.edu.vn
27.72.100.111	PTR	localhost
27.72.100.111	A	www.galaxyviet.vn
27.72.100.111	A	galaxyviet.vn
27.72.100.158	A	www.ksystem.vn
27.72.100.168	PTR	localhost
27.72.102.13	PTR	dynamic-ip-adsl.viettel.vn
27.72.102.13	A	www.khoahoc365.com
27.72.102.75	A	cdnnv.com
27.72.102.208	A	thegoldenpalm.vn
27.72.103.37	PTR	dynamic-adsl.viettel.vn
27.72.104.11	A	evngenco1.vn
27.72.104.11	A	mail.evngenco1.vn
27.72.104.68	A	coquynhielts.edu.vn
27.72.104.68	A	www.coquynhielts.edu.vn
27.72.104.142	A	dienlucvinhhung.com.vn
27.72.105.10	PTR	localhost
27.72.105.10	A	www.ntq.solutions
27.72.105.10	A	ntq.solutions
27.72.105.111	A	cloud.itlvn.com
27.72.105.154	A	vanphongtructuyen.com
27.72.105.169	A	congnongtech.com
27.72.105.189	A	www.hadong.gov.vn
27.72.106.2	PTR	dynamic-ip-adsl.viettel.vn
27.72.112.110	PTR	localhost
27.72.113.68	A	thucsontamgioi2.com
27.72.116.19	A+PTR	mail.tasaceramic.vn
27.72.116.19	A	www.tasaceramic.com
27.72.116.19	A	tasaceramic.vn
27.72.117.133	PTR	dynamic-adsl.viettel.vn
27.72.120.156	PTR	dynamic-ip-adsl.viettel.vn
27.72.120.234	A	flacohostel.com
27.72.122.111	A	tanson.info
27.72.122.111	A	walakv.com
27.72.123.133	PTR	localhost
27.72.124.137	A	www.capnuochaiphong.com.vn
27.72.124.137	A	capnuochaiphong.com.vn
27.72.126.16	PTR	dynamic-adsl.viettel.vn
27.72.126.16	A	laptop-tn.com
27.72.126.16	A	camera-tn.com
27.72.127.172	PTR	localhost
27.72.127.172	A	haiduongdost.gov.vn