Robtex

Up: 201.130.46.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 201.130.47.0/25
Down right: 201.130.47.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.130.47.9	A+PTR	dns6.iusacell.com.mx
201.130.47.9	A	dns6.iusacell.com
201.130.47.10	PTR	dns2.nextel.com.mx
201.130.47.10	A	nsmx2.attdns.com
201.130.47.11	A	nsmx3.attdns.com
201.130.47.11	A	dns5.miatt.com.mx
201.130.47.13	A	att.com.mx
201.130.47.13	A	att.mx
201.130.47.14	A+PTR	mailhost2.nextel.com.mx
201.130.47.16	PTR	mail.nextel.com.mx
201.130.47.16	A	visualivr.wip.att.com.mx
201.130.47.16	A	globalaccess.att.com.mx
201.130.47.17	A	prensanextel.com.mx
201.130.47.29	A	mobile.att.com.mx
201.130.47.33	PTR	niie2e.nextel.com.mx
201.130.47.39	A+PTR	mailhost.nextel.com.mx
201.130.47.39	A	mailhost.nextel.mx
201.130.47.41	A	puntos.att.com.mx
201.130.47.46	PTR	credit.shotsonline.com.mx
201.130.47.48	A	vpn.att.com.mx
201.130.47.49	PTR	vpn2.nextel.com.mx
201.130.47.58	A	probusinessapps.mx
201.130.47.63	A	panda.att.com.mx
201.130.47.68	PTR	elearning.nextel.com.mx
201.130.47.75	A	uat.nextel.com.br
201.130.47.76	A	wslab.nextelinternational.com
201.130.47.76	A	miattweb.att.com.mx
201.130.47.89	PTR	mailhost3.nextel.com.mx
201.130.47.89	A	mailhost3.nextel.mx
201.130.47.92	A	redirect.att.com.mx
201.130.47.93	A	apps.att.com.mx
201.130.47.121	A	movil.att.com.mx
201.130.47.141	PTR	sndr1.info.att-mail.com.mx
201.130.47.145	PTR	sndr2.facturacionnextel.com.mx
201.130.47.145	A	sndr2.facturacion.att-mail.com.mx
201.130.47.146	PTR	sndr3.facturacionnextel.com.mx
201.130.47.148	A	sndr2.credito.att-mail.com.mx
201.130.47.150	A	tea.facturacionnextel.com.mx
201.130.47.150	A	tea.creditonextel.com.mx
201.130.47.150	A	tea.facturacion.att-mail.com.mx
201.130.47.151	A	media.facturacion.att-mail.com.mx
201.130.47.152	A	go.facturacion.att-mail.com.mx
201.130.47.155	A	ns1.chat.att.com.mx
201.130.47.155	A	mxmcislonline01.att.com.mx
201.130.47.156	A	islpronto.chat.att.com.mx
201.130.47.156	A	server2.chat.att.com.mx
201.130.47.156	A	ns2.chat.att.com.mx
201.130.47.157	A	mxmcislonline03.att.com.mx
201.130.47.157	A	ns3.chat.att.com.mx
201.130.47.197	A	unefon.com.mx
201.130.47.197	A	unefon.com
201.130.47.197	A	unefon.mx
201.130.47.200	A	mailnextel.com.mx
201.130.47.200	A	mailhost.mailnextel.com.mx
201.130.47.215	A	mxmgdcvpra5141804.att.com.mx