Robtex

Up: 190.242.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 190.242.23.0/25
Down right: 190.242.23.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
190.242.23.7	PTR	netgroupsa.com
190.242.23.7	A	correo.andinamotors.com.co
190.242.23.7	A	mail.netgroupsa.com
190.242.23.16	A	mail.estrategiasyminas.com.co
190.242.23.16	A	correo.grupocef.net
190.242.23.16	A	correo.grupocef.com
190.242.23.25	A	itcali.com
190.242.23.25	A	ns2.itcali.com
190.242.23.28	A	citisalud.net
190.242.23.29	PTR	correo.netgroupsa.com
190.242.23.38	PTR	portal.libretamilitar.mil.co
190.242.23.38	PTR	libretamilitar.mil.co
190.242.23.49	A	libretamilitar.mil.co
190.242.23.76	A	aulafinanciera.transc.bancoagrario.gov.co
190.242.23.98	A	lctransc2.bancoagrario.gov.co
190.242.23.240	A	testnetgroupsa.com