Robtex

Up: 200.68.76.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 200.68.76.0/25
Down right: 200.68.76.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.68.76.1	PTR	mx.farmalink.com.ar
200.68.76.5	PTR	customer-static-79-5.iplannetworks.net
200.68.76.9	PTR	customer-static-79-9.iplannetworks.net
200.68.76.11	PTR	customer-static-79-11.iplannetworks.net
200.68.76.22	PTR	mail.pramer.tv
200.68.76.27	PTR	mail2.pramer.tv
200.68.76.29	PTR	customer-static-79-29.iplannetworks.net
200.68.76.43	PTR	mail.sprayette.com
200.68.76.43	A	mail.cursosusa.com
200.68.76.47	PTR	customer-static-79-47.iplannetworks.net
200.68.76.57	PTR	customer-static-79-57.iplannetworks.net
200.68.76.57	A	www.nomedonline.com.ar
200.68.76.57	A	comave.com.ar
200.68.76.69	PTR	customer-static-79-69.iplannetworks.net
200.68.76.69	A	myltransformadores.com
200.68.76.102	PTR	customer-static-79-102.iplannetworks.net
200.68.76.105	PTR	mx.cui.com.ar
200.68.76.105	PTR	mx.cuinet.com.ar
200.68.76.105	PTR	mx.tirsolibros.com.ar
200.68.76.115	PTR	customer-static-79-115.iplannetworks.net
200.68.76.129	PTR	customer-static-79-129.iplannetworks.net
200.68.76.161	A+PTR	mail.netman.com.ar
200.68.76.161	A	netman.com.ar
200.68.76.161	A	mail.sogefi.com.ar
200.68.76.165	PTR	ns1.datahard.com.ar
200.68.76.165	A	www.cyborgplay.com.ar
200.68.76.165	A	cydpublicidad.com.ar
200.68.76.169	PTR	mx1.fibertel.com.ar
200.68.76.189	PTR	mx.estudiojardel.com.ar
200.68.76.189	A	crosaoviedo.com.ar
200.68.76.189	A	matrix.centercom.com.ar
200.68.76.190	PTR	customer-static-79-190.iplannetworks.net
200.68.76.225	PTR	mx.christianlacroix.com.ar
200.68.76.225	A	mx.ysl.com.ar
200.68.76.241	PTR	customer-static-79-241.iplannetworks.net