Robtex

Up: 101.99.16.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 101.99.18.0/24
Down right: 101.99.19.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
101.99.18.10	PTR	static.cmcti.vn
101.99.18.18	PTR	static.cmcti.vn
101.99.18.26	PTR	mail.antv.gov.vn
101.99.18.41	PTR	static.cmcti.vn
101.99.18.51	PTR	static.cmcti.vn
101.99.18.51	A	www.hchomecenter.com.vn
101.99.18.51	A	hchomecenter.com.vn
101.99.18.52	A+PTR	webmail.hc.com.vn
101.99.18.52	A	giaiphapaohoa.net
101.99.18.56	PTR	static.cmcti.vn
101.99.18.74	PTR	mail.hoaphat.com.vn
101.99.18.74	A	www.hoaphat.com.vn
101.99.18.74	A	www.hoaphat.vn
101.99.18.75	A+PTR	mail.hoaphat.com.vn
101.99.18.76	PTR	mail.hoaphat.com.vn
101.99.18.76	A	hoaphat.com
101.99.18.76	A	www.hoaphat.com
101.99.18.77	A+PTR	mail.hoaphat.com.vn
101.99.18.77	A	www.hoaphat.com.vn
101.99.18.77	A	hoaphat.vn
101.99.18.88	PTR	static.cmcti.vn
101.99.18.102	A+PTR	mail.plc.com.vn
101.99.18.180	PTR	static.cmcti.vn
101.99.18.194	PTR	mail.vsm.vn
101.99.18.200	A+PTR	mail.vsm.vn
101.99.18.204	PTR	static.cmcti.vn
101.99.18.204	A	tritue.edu.vn
101.99.18.214	A	caygiongs.com
101.99.18.224	PTR	static.cmcti.vn
101.99.18.224	A	ts.edu.net.vn
101.99.18.224	A	ebook.edu.net.vn
101.99.18.225	PTR	static.cmcti.vn
101.99.18.226	PTR	static.cmcti.vn
101.99.18.226	A	bacgiang.edu.vn
101.99.18.226	A	www.bacgiang.edu.vn
101.99.18.230	PTR	static.cmcti.vn
101.99.18.234	PTR	static.cmcti.vn
101.99.18.237	PTR	static.cmcti.vn
101.99.18.238	PTR	static.cmcti.vn
101.99.18.239	PTR	static.cmcti.vn
101.99.19.3	PTR	static.cmcti.vn
101.99.19.20	PTR	mail.vrbank.com.vn
101.99.19.20	A	mail2.vrbank.com.vn
101.99.19.24	A+PTR	mail.vrbank.com.vn
101.99.19.43	PTR	static.cmcti.vn
101.99.19.43	A	www.sotaichinh.hanoi.gov.vn
101.99.19.59	A	apollotravel.vn
101.99.19.59	A	didulich.net
101.99.19.59	A	mail.nongduocsapa.vn
101.99.19.60	PTR	static.cmcti.vn
101.99.19.85	PTR	static.cmcti.vn
101.99.19.85	A	vienthongtinkhoahoc.org.vn
101.99.19.114	PTR	static.cmcti.vn
101.99.19.120	PTR	static.cmcti.vn
101.99.19.133	PTR	mx1.atitelecom.vn
101.99.19.194	PTR	static.cmcti.vn
101.99.19.195	PTR	static.cmcti.vn
101.99.19.195	A	thongke.gso.gov.vn
101.99.19.198	PTR	mail.gso.gov.vn
101.99.19.198	A	mail.thongke.gov.vn
101.99.19.198	A	www.thongke.gov.vn
101.99.19.211	A	mail.bbsvn.com
101.99.19.211	A	bbsvn.com
101.99.19.226	PTR	static.cmcti.vn