Robtex

Up: 27.67.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 27.67.128.0/18
Down right: 27.67.192.0/18

IP	Type	Hostname
27.67.128.0	PTR	localhost
27.67.129.168	PTR	localhost
27.67.130.28	PTR	localhost
27.67.131.6	PTR	localhost
27.67.131.57	PTR	localhost
27.67.132.121	PTR	localhost
27.67.132.121	A	cotuongtv.com
27.67.132.203	PTR	localhost
27.67.132.203	A	mail.greennutritech.com
27.67.133.41	PTR	localhost
27.67.133.42	PTR	localhost
27.67.133.51	PTR	localhost
27.67.133.55	PTR	localhost
27.67.133.196	PTR	localhost
27.67.134.31	PTR	localhost
27.67.135.66	PTR	localhost
27.67.136.95	PTR	localhost
27.67.137.58	PTR	localhost
27.67.137.93	PTR	localhost
27.67.138.192	PTR	localhost
27.67.138.192	A	mail.smartshoppingph.com
27.67.139.51	PTR	localhost
27.67.140.178	PTR	localhost
27.67.141.53	PTR	localhost
27.67.142.133	PTR	localhost
27.67.142.225	PTR	localhost
27.67.143.195	PTR	localhost
27.67.153.250	PTR	localhost
27.67.153.250	A	pattassions.com
27.67.165.45	PTR	localhost
27.67.176.65	PTR	localhost
27.67.176.65	A	www.javi.com.vn
27.67.176.65	A	javi.com.vn
27.67.176.129	PTR	localhost
27.67.177.21	PTR	localhost
27.67.177.201	PTR	localhost
27.67.177.239	PTR	localhost
27.67.184.61	PTR	localhost
27.67.184.61	A	binhan12.com
27.67.184.243	PTR	localhost
27.67.185.118	PTR	localhost
27.67.187.197	PTR	localhost
27.67.188.36	PTR	localhost
27.67.188.183	PTR	localhost
27.67.188.202	PTR	localhost
27.67.189.131	PTR	localhost
27.67.189.144	PTR	localhost
27.67.190.234	PTR	localhost
27.67.195.130	PTR	localhost
27.67.196.67	PTR	localhost
27.67.196.108	PTR	localhost
27.67.198.80	PTR	localhost
27.67.219.150	PTR	localhost
27.67.221.252	PTR	localhost
27.67.236.246	PTR	localhost
27.67.236.246	A	hopqua2018.com
27.67.236.246	A	mail.hopqua2018.com
27.67.242.28	PTR	localhost
27.67.255.255	PTR	localhost