Robtex

Up: 138.118.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 138.118.216.0/23
Down right: 138.118.218.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.118.216.0	PTR	host0.138-118-216.nplay.com.ar
138.118.216.2	A+PTR	dns1.nplay.com.ar
138.118.216.3	A+PTR	dns2.nplay.com.ar
138.118.216.10	PTR	host10.138-118-216.nplay.com.ar.216.118.138.in-addr.arpa
138.118.216.10	A	mail.nplay.com.ar
138.118.216.10	A	fundacionciep.com