Robtex

Up: 117.6.2.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 117.6.2.0/25
Down right: 117.6.2.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.6.2.232	PTR	cfc.com.vn
117.6.2.235	A	mail.hunglong.vn
117.6.2.238	A	nonglambinhthuan.com
117.6.2.238	A	mail.nonglambinhthuan.com
117.6.2.238	A	mail.cgtqty.com
117.6.2.240	PTR	mail.ptc1.com.vn
117.6.2.240	PTR	mail.ptc1.evn.com.vn