Robtex

Up: 120.138.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 120.138.66.0/25
Down right: 120.138.66.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
120.138.66.0	PTR	ptr.vng.vn
120.138.66.5	PTR	ptr.vng.vn
120.138.66.5	A	hrsc.apps.zing.vn
120.138.66.5	A	img-gift.apps.zing.vn
120.138.66.7	PTR	ptr.vng.vn
120.138.66.7	A	zingme.com
120.138.66.7	A	me.zing.vn
120.138.66.9	PTR	ptr.vng.vn
120.138.66.9	A	img-photo.apps.zing.vn
120.138.66.9	A	img1-photo.apps.zing.vn
120.138.66.10	A	connect.me.zing.vn
120.138.66.11	PTR	ptr.vng.vn
120.138.66.12	PTR	ptr.vng.vn
120.138.66.15	PTR	ptr.vng.vn
120.138.66.15	A	login.me.zing.vn
120.138.66.17	PTR	ptr.vng.vn
120.138.66.17	A	oauth-me.zing.vn
120.138.66.18	PTR	ptr.vng.vn
120.138.66.18	A	8.1.s50.avatar.zdn.vn
120.138.66.18	A	0.1.s50.avatar.zdn.vn
120.138.66.19	PTR	ptr.vng.vn
120.138.66.25	PTR	ptr.vng.vn
120.138.66.29	PTR	ptr.vng.vn
120.138.66.31	PTR	ptr.vng.vn
120.138.66.35	PTR	ptr.vng.vn
120.138.66.37	PTR	ptr.vng.vn
120.138.66.45	PTR	ptr.vng.vn
120.138.66.47	PTR	ptr.vng.vn
120.138.66.57	PTR	ptr.vng.vn
120.138.66.60	PTR	ptr.vng.vn
120.138.66.62	PTR	ptr.vng.vn
120.138.66.64	PTR	ptr.vng.vn
120.138.66.70	PTR	ptr.vng.vn
120.138.66.73	PTR	ptr.vng.vn
120.138.66.78	PTR	ptr.vng.vn
120.138.66.81	PTR	ptr.vng.vn
120.138.66.85	PTR	ptr.vng.vn
120.138.66.89	PTR	ptr.vng.vn
120.138.66.91	PTR	ptr.vng.vn
120.138.66.97	PTR	ptr.vng.vn
120.138.66.98	PTR	ptr.vng.vn
120.138.66.99	PTR	ptr.vng.vn
120.138.66.104	PTR	ptr.vng.vn
120.138.66.113	PTR	ptr.vng.vn
120.138.66.118	A	grdai.vn
120.138.66.118	A	vnai.ml
120.138.66.119	PTR	ptr.vng.vn
120.138.66.121	PTR	ptr.vng.vn
120.138.66.124	PTR	ptr.vng.vn
120.138.66.127	PTR	ptr.vng.vn
120.138.66.128	PTR	ptr.vng.vn
120.138.66.129	PTR	ptr.vng.vn
120.138.66.137	A	s47.idtvc.zing.vn
120.138.66.139	PTR	ptr.vng.vn
120.138.66.139	A	s17.idtvc.zing.vn
120.138.66.143	PTR	ptr.vng.vn
120.138.66.145	PTR	ptr.vng.vn
120.138.66.148	PTR	ptr.vng.vn
120.138.66.152	PTR	ptr.vng.vn
120.138.66.154	PTR	ptr.vng.vn
120.138.66.155	PTR	ptr.vng.vn
120.138.66.156	PTR	ptr.vng.vn
120.138.66.161	PTR	ptr.vng.vn
120.138.66.163	PTR	ptr.vng.vn
120.138.66.166	PTR	ptr.vng.vn
120.138.66.169	PTR	ptr.vng.vn
120.138.66.174	PTR	ptr.vng.vn
120.138.66.175	PTR	ptr.vng.vn
120.138.66.176	PTR	ptr.vng.vn
120.138.66.177	PTR	ptr.vng.vn
120.138.66.182	PTR	ptr.vng.vn
120.138.66.184	PTR	ptr.vng.vn
120.138.66.195	PTR	ptr.vng.vn
120.138.66.196	PTR	ptr.vng.vn
120.138.66.202	PTR	ptr.vng.vn
120.138.66.204	PTR	ptr.vng.vn
120.138.66.208	PTR	ptr.vng.vn
120.138.66.211	PTR	ptr.vng.vn
120.138.66.213	PTR	ptr.vng.vn
120.138.66.222	PTR	ptr.vng.vn
120.138.66.223	PTR	ptr.vng.vn
120.138.66.225	PTR	ptr.vng.vn
120.138.66.228	PTR	ptr.vng.vn
120.138.66.232	PTR	ptr.vng.vn
120.138.66.238	A	s1.idvlcm.zing.vn
120.138.66.239	PTR	ptr.vng.vn
120.138.66.242	PTR	ptr.vng.vn
120.138.66.243	PTR	ptr.vng.vn
120.138.66.248	PTR	ptr.vng.vn
120.138.66.250	PTR	ptr.vng.vn
120.138.66.252	PTR	ptr.vng.vn
120.138.66.254	PTR	ptr.vng.vn
120.138.66.255	PTR	ptr.vng.vn