Robtex

Up: 117.3.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 117.3.72.0/23
Down right: 117.3.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.3.72.74	A	baigiang.kontum.edu.vn
117.3.72.85	A	lopdke31017.com
117.3.72.86	PTR	mail.tracuutiendien.com
117.3.72.86	A	netdepxuviet.com
117.3.72.86	A	vedepxuviet.com
117.3.72.95	A+PTR	mail.huohyow.com.vn