Robtex

Up: 123.16.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 123.16.64.0/19
Down right: 123.16.96.0/19

IP	Type	Hostname
123.16.64.0	PTR	static.vnpt.vn
123.16.64.66	PTR	static.vnpt.vn
123.16.64.130	PTR	static.vnpt.vn
123.16.64.194	PTR	static.vnpt.vn
123.16.74.0	PTR	static.vnpt.vn
123.16.74.1	PTR	static.vnpt.vn
123.16.74.64	PTR	static.vnpt.vn
123.16.74.194	PTR	static.vnpt.vn
123.16.77.2	PTR	static.vnpt.vn
123.16.78.8	PTR	static.vnpt.vn
123.16.78.24	PTR	static.vnpt.vn
123.16.78.86	PTR	static.vnpt.vn
123.16.78.100	PTR	localhost
123.16.78.219	PTR	localhost
123.16.78.220	PTR	static.vnpt.vn
123.16.78.242	PTR	static.vnpt.vn
123.16.80.98	A	teckey.com
123.16.81.11	PTR	static.vnpt.vn
123.16.81.157	PTR	static.vnpt.vn
123.16.81.202	PTR	static.vnpt.vn
123.16.82.195	PTR	static.vnpt.vn
123.16.82.241	A	meovat360.net
123.16.83.33	PTR	static.vnpt.vn
123.16.83.35	PTR	localhost
123.16.83.146	PTR	static.vnpt.vn
123.16.83.199	PTR	static.vnpt.vn
123.16.84.1	PTR	static.vnpt.vn
123.16.84.131	PTR	static.vnpt.vn
123.16.84.193	PTR	static.vnpt.vn
123.16.85.65	PTR	static.vnpt.vn
123.16.85.66	PTR	static.vnpt.vn
123.16.85.131	PTR	static.vnpt.vn
123.16.85.171	A	quehancaocap.com
123.16.87.2	PTR	static.vnpt.vn
123.16.88.222	A	glennygaard.com
123.16.91.21	PTR	static.vnpt.vn
123.16.91.213	A	tenmiencmr.com
123.16.92.70	PTR	static.vnpt.vn
123.16.92.71	PTR	static.vnpt.vn
123.16.92.71	A	alobanbe.com
123.16.92.198	PTR	static.vnpt.vn
123.16.94.37	PTR	static.vnpt.vn
123.16.95.30	PTR	static.vnpt.vn
123.16.95.30	A	1102.life
123.16.95.57	PTR	static.vnpt.vn
123.16.95.173	PTR	static.vnpt.vn
123.16.95.173	A	mail.hongthuyyb.com
123.16.95.173	A	hongthuyyb.com
123.16.96.192	PTR	static.vnpt.vn
123.16.97.2	PTR	localhost
123.16.97.103	PTR	static.vnpt.vn
123.16.99.193	PTR	localhost
123.16.99.193	A	moontypn.info
123.16.101.0	PTR	static.vnpt.vn
123.16.101.128	PTR	static.vnpt.vn
123.16.101.131	PTR	static.vnpt.vn
123.16.101.195	PTR	static.vnpt.vn
123.16.103.77	PTR	static.vnpt.vn
123.16.103.90	PTR	static.vnpt.vn
123.16.105.175	A	mail.netone.vn
123.16.107.207	PTR	static.vnpt.vn
123.16.107.216	PTR	static.vnpt.vn
123.16.109.24	PTR	static.vnpt.vn
123.16.109.100	PTR	static.vnpt.vn
123.16.109.119	PTR	static.vnpt.vn
123.16.109.124	PTR	static.vnpt.vn
123.16.109.193	PTR	localhost
123.16.109.205	PTR	static.vnpt.vn
123.16.110.14	PTR	static.vnpt.vn
123.16.110.156	PTR	static.vnpt.vn
123.16.110.192	PTR	static.vnpt.vn
123.16.110.201	PTR	static.vnpt.vn
123.16.111.132	PTR	static.vnpt.vn
123.16.112.129	PTR	static.vnpt.vn
123.16.112.131	PTR	static.vnpt.vn
123.16.114.2	PTR	static.vnpt.vn
123.16.114.66	PTR	static.vnpt.vn
123.16.114.194	PTR	static.vnpt.vn
123.16.114.195	PTR	static.vnpt.vn
123.16.115.42	PTR	static.vnpt.vn
123.16.115.101	PTR	static.vnpt.vn
123.16.115.128	PTR	static.vnpt.vn
123.16.115.198	PTR	static.vnpt.vn
123.16.116.18	PTR	static.vnpt.vn
123.16.116.144	PTR	static.vnpt.vn
123.16.118.1	PTR	static.vnpt.vn
123.16.118.129	PTR	static.vnpt.vn
123.16.119.1	PTR	static.vnpt.vn
123.16.119.192	PTR	static.vnpt.vn
123.16.120.1	PTR	static.vnpt.vn
123.16.120.52	PTR	localhost
123.16.123.22	PTR	static.vnpt.vn
123.16.123.75	PTR	localhost
123.16.123.140	PTR	localhost
123.16.125.1	PTR	static.vnpt.vn
123.16.125.3	PTR	localhost
123.16.125.67	PTR	static.vnpt.vn
123.16.125.193	PTR	static.vnpt.vn
123.16.126.54	PTR	localhost
123.16.126.198	PTR	localhost
123.16.126.208	PTR	static.vnpt.vn
123.16.127.169	PTR	localhost
123.16.127.207	PTR	static.vnpt.vn
123.16.127.241	PTR	static.vnpt.vn