Robtex

Up: 171.248.0.0/13
Can't show all results, try to descend to a more specific CIDR
Down left: 171.248.0.0/15
Down right: 171.250.0.0/15
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
171.248.0.0	PTR	dynamic-adsl.viettel.vn
171.248.2.240	A	mail.chuyenraovat.com
171.248.2.240	A	chuyenraovat.com
171.248.9.34	A	phuchunggold.com
171.248.13.115	PTR	dynamic-ip-adsl.viettel.vn
171.248.51.193	PTR	dynamic-adsl.viettel.vn
171.248.61.195	PTR	dynamic-ip-adsl.viettel.vn
171.248.104.99	A	home686.dyndns.org
171.248.105.242	A	quanaocongnhan.com
171.248.105.242	A	thietbibaoholaodong.net
171.248.113.228	A	kamo.dynns.com
171.248.120.32	A	r22310.ddns.net
171.248.122.172	A	12signs.info
171.248.125.198	A	pitco.myvnc.com
171.248.128.114	A	nixtoforge.com
171.248.149.143	A	nvtuan.dyndns.org
171.248.165.200	A	luanlycorp.com
171.248.173.84	PTR	dynamic-ip-adsl.viettel.vn
171.248.184.130	A	www.ledtech.vn
171.248.184.130	A	xe3banh.net
171.248.191.182	A	baokyvn.ddns.net
171.248.204.170	A	ns2.commadns.com
171.248.204.170	A	ns1.commadns.com
171.248.204.170	A	commadns.com
171.248.205.241	A	smstocdo.com
171.248.211.96	PTR	dynamic-ip-adsl.viettel.vn
171.248.248.65	PTR	dynamic-ip-adsl.viettel.vn
171.248.248.65	A	6879s.com
171.249.6.247	A	teamojisan.com
171.249.7.183	A	nvcorp.net
171.249.8.229	PTR	dynamic-adsl.viettel.vn
171.249.10.33	A	tuhop.ddns.net
171.249.10.228	A	www.tuhopco.com
171.249.11.190	A	chchcm.myq-see.com
171.249.11.190	A	limousinequangninh.com
171.249.28.170	PTR	dynamic-adsl.viettel.vn
171.249.42.219	A	webdicho.com
171.249.56.42	PTR	dynamic-adsl.viettel.vn
171.249.68.194	A	hakatu.com
171.249.68.194	A	mail.hakatu.com
171.249.69.224	PTR	dynamic-ip-adsl.viettel.vn
171.249.72.63	A	nutifood.ddns.net
171.249.72.104	A	tada.mobi
171.249.75.123	A	tuyhoaship.com
171.249.75.123	A	mail.tuyhoaship.com
171.249.81.0	A	bienbaohieu.com
171.249.81.119	PTR	dynamic-ip-adsl.viettel.vn
171.249.83.49	PTR	dynamic-ip-adsl.viettel.vn
171.249.98.247	A	nguyenductri.com
171.249.105.178	A	inthienan.com
171.249.107.33	A	mail.inthienan.com
171.249.107.254	A	video.muahang.net
171.249.107.254	A	batlua.hopquet.com
171.249.109.147	A	www1.hopquet.com
171.249.110.228	A	anhdang.info
171.249.116.200	A	gamebai9999.com
171.249.127.145	A	cdn.uniup.tk
171.249.161.106	A	services.dyndns.org
171.249.194.102	A	digitalassetfans.com
171.249.213.143	A	mail.ns1.mail.ns1.ns2.mail.518c2506e57106779f0cf55fcfd14fb065d00efe1d5a5a2a9b2d684d.6.mjuyh.com
171.249.215.145	PTR	dynamic-adsl.viettel.vn
171.249.234.167	PTR	dynamic-ip-adsl.viettel.vn
171.250.29.200	A	bigsaigons.com
171.250.29.207	A	btsiot.ddns.net
171.250.43.157	A	mail.wayphone.net
171.250.43.157	A	wayphone.net
171.250.45.4	PTR	dynamic-adsl.viettel.vn
171.250.47.135	PTR	dynamic-ip-adsl.viettel.vn
171.250.50.17	A	stagvn.com
171.250.64.75	A	vuavechai.net
171.250.70.35	PTR	dynamic-ip-adsl.viettel.vn
171.250.80.30	PTR	dynamic-adsl.viettel.vn
171.250.80.30	A	quancomthao.drayddns.com
171.250.119.83	PTR	dynamic-ip-adsl.viettel.vn
171.250.123.13	A	mail.2thangban.com
171.250.123.13	A	2thangban.com
171.250.123.48	A	tututhelul.com
171.250.132.1	A	sqchnde.com
171.250.136.33	A	gvasdnn.com
171.250.149.158	A	mkbentre.com
171.250.156.166	A	congdongehome3.com
171.250.174.10	A	vinaphar.com
171.250.182.106	PTR	dynamic-ip-adsl.viettel.vn
171.250.182.106	A	khangdat.dd-dns.de
171.250.182.106	A	khangdat.ddns.net
171.250.185.252	A	superdong.sytes.net
171.250.192.204	PTR	dynamic-adsl.viettel.vn
171.250.192.204	A	vietnamthanglong.ddns.net
171.250.194.7	A	dota2divine1.dynu.net
171.250.197.16	A	bonggao.net
171.250.199.143	A	myskitchen.com
171.250.203.210	A	nasbuffalo.net
171.250.204.129	A	www.asuamaytinh.com
171.250.205.234	A	wifibuffalo.net
171.250.208.45	A	mntaythanh.dyndns.tv
171.250.215.147	A	mail.trang.edu.vn
171.250.233.17	A	mail.smartmasy.com
171.250.235.119	A	vothuong.com
171.250.241.184	A	blu.uhnhe.com
171.250.245.67	A	online.uhnhe.com
171.250.245.67	A	mail20.uhnhe.com
171.250.245.67	A	stardoll.uhnhe.com
171.250.248.144	A	mail31.uhnhe.com
171.250.248.144	A	oyun.uhnhe.com
171.250.249.8	A	4.uhnhe.com
171.250.249.8	A	smail3.uhnhe.com
171.250.254.225	A	mail.mayincantho.com
171.251.21.109	PTR	dynamic-ip-adsl.viettel.vn
171.251.26.14	PTR	dynamic-adsl.viettel.vn
171.251.29.248	PTR	dynamic-ip-adsl.viettel.vn
171.251.48.14	A	mail.silksenseresort.com
171.251.48.62	A	www.cdmt.vn
171.251.48.62	A	cdmt.vn
171.251.48.134	A	vanilladalat.com
171.251.52.210	A	ccivn.com.vn
171.251.52.214	PTR	dynamic-ip-adsl.viettel.vn
171.251.52.214	A	nkk2206.info
171.251.53.10	A	thongkevanban.quangtri.gov.vn
171.251.53.10	A	antoanthucpham.quangtri.gov.vn
171.251.69.9	A	mail.catbahotel.vn
171.251.69.56	A	www.baoquangtri.vn
171.251.69.57	A	cuaminhhieu.com
171.251.69.57	A	designqti.com
171.251.74.173	A	tourgate.vn
171.251.74.173	A	mail.tourgate.vn
171.251.74.211	A	vfruit.net
171.251.100.159	A	checkserialcode.com
171.251.199.219	A	qarena-vn.site
171.251.199.219	A	mail.qarena-vn.site
171.251.228.44	PTR	dynamic-adsl.viettel.vn
171.251.228.44	A	gun2019.com
171.251.231.247	PTR	dynamic-ip-adsl.viettel.vn
171.251.233.125	PTR	dynamic-ip-adsl.viettel.vn
171.251.236.218	PTR	dynamic-ip-adsl.viettel.vn
171.251.237.141	PTR	dynamic-ip-adsl.viettel.vn