Robtex

Up: 210.245.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 210.245.40.0/22
Down right: 210.245.44.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.245.40.26	A	namhocap.com
210.245.40.34	PTR	mail.novivietnam.com.vn
210.245.40.188	PTR	mail.dqcorp.vn
210.245.41.115	PTR	ftp.sabeco.com.vn
210.245.41.115	PTR	www.sabeco.com.vn
210.245.41.185	PTR	vn-zeus.com
210.245.41.186	PTR	vn-zeus.com
210.245.41.187	PTR	vn-zeus.com
210.245.41.188	PTR	vn-zeus.com
210.245.41.193	PTR	mail2.saobacdau.vn
210.245.41.211	PTR	www.acb.com.vn
210.245.41.212	PTR	www.acb.com.vn
210.245.42.90	PTR	dns2.saigonsoft.com.vn
210.245.42.95	PTR	mail.saigonsoft.com
210.245.42.229	PTR	harveynash.vn
210.245.42.229	PTR	www.silkroad-net.com
210.245.43.25	PTR	astaro.gt.com.vn
210.245.43.25	PTR	mail.gt.com.vn
210.245.43.35	PTR	mail.parkson.com.vn
210.245.43.37	A+PTR	mail.parkson.com.vn
210.245.43.92	PTR	mailserver.cp.com.vn
210.245.43.202	PTR	gannon.com.vn
210.245.44.22	A+PTR	mail.cosfi.com.vn
210.245.44.23	A	coscon.com.vn
210.245.44.24	A+PTR	mail.coscon.com.vn
210.245.44.76	PTR	mail.scb.com.vn
210.245.44.77	PTR	mail.scb.com.vn
210.245.44.83	PTR	mail.phugiasc.vn
210.245.44.113	PTR	mailhcm.vacodtt.com
210.245.44.148	A+PTR	mail-vnmedia.tns-global.com
210.245.45.115	A+PTR	mail.safi.com.vn
210.245.46.112	A	ptsc.vn
210.245.46.116	PTR	mail.pivotalvietnam.com
210.245.46.162	PTR	ns1.hpt.vn
210.245.46.163	PTR	ns2.hpt.vn
210.245.46.166	A	mail.hptvietnam.com.vn
210.245.46.166	A	ns1.hpt.vn
210.245.46.166	A	ns2.hpt.vn
210.245.46.169	PTR	169.dev.hpt.vn
210.245.46.171	PTR	smtp1.hpt.vn
210.245.46.210	PTR	mail.navigosgroup.com
210.245.46.210	PTR	mail.vietnamworks-edu.com
210.245.46.210	PTR	mail.vietnamworks-mail.com
210.245.46.227	PTR	mail1.saobacdau.vn
210.245.46.229	PTR	mail2.saobacdau.vn
210.245.46.245	A	hncb.com.vn
210.245.47.1	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.3	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.11	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.19	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.24	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.32	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.33	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.40	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.41	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.42	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.43	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.50	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.59	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.65	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.66	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.74	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.80	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.81	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.83	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.88	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.91	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.97	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.98	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.106	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.112	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.122	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.128	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.131	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.132	A	mail.hutech.edu.vn
210.245.47.144	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.146	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.153	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.154	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.155	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.160	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.163	PTR	webmail.falconship.com
210.245.47.168	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.170	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.171	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.176	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.177	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.179	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.185	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.192	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.194	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.195	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.200	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.201	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.202	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.208	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.210	PTR	kienlongbank.vn
210.245.47.210	PTR	mail.kienlongbank.vn
210.245.47.211	A+PTR	ftp.kienlongbank.vn
210.245.47.216	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.224	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.225	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.233	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.241	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.248	PTR	mgb-xxx.hcm.fpt.vn
210.245.47.251	PTR	mgb-xxx.hcm.fpt.vn