Robtex

Up: 166.210.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 166.210.32.0/20
Down right: 166.210.48.0/20

IP	Type	Hostname
166.210.32.1	PTR	comcel.com.co
166.210.32.44	A+PTR	recargaenlinea.comcel.com.co
166.210.32.162	A	atiendo.claro.com.co
166.210.32.168	A	explora.claro.com.co
166.210.32.170	A+PTR	miclaroempresas.claro.com.co
166.210.32.227	A	poliedrodist.comcel.com.co