Robtex

Up: 148.247.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 148.247.0.0/19
Down right: 148.247.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
148.247.1.1	A+PTR	mvax1.red.cinvestav.mx
148.247.1.2	A+PTR	soun.red.cinvestav.mx
148.247.1.3	A	sentry.red.cinvestav.mx
148.247.1.3	A	infadm.inf.cinvestav.mx
148.247.1.82	PTR	ftp.red.cinvestav.mx
148.247.1.90	PTR	preproduccion2.red.cinvestav.mx
148.247.1.114	A+PTR	mercurio-alfa.red.cinvestav.mx
148.247.1.133	A+PTR	siga.red.cinvestav.mx
148.247.1.151	A	videoconf151.red.cinvestav.mx
148.247.1.179	A	abiertayadistancia.red.cinvestav.mx
148.247.1.189	A	punad.red.cinvestav.mx
148.247.1.194	A+PTR	paspirantes.red.cinvestav.mx
148.247.7.70	PTR	lab-30.toxi.cinvestav.mx
148.247.14.2	A	math.cinvestav.mx
148.247.14.5	A	math05.math.cinvestav.mx
148.247.14.7	A	lucia.math.cinvestav.mx
148.247.14.7	A	gmoreno.math.cinvestav.mx
148.247.14.13	A	gmoreno.math.cinvestav.mx
148.247.14.66	PTR	pwk-066.comejen.mx
148.247.14.83	A	ppc61003.math.cinvestav.mx
148.247.14.90	A	oakland.math.cinvestav.mx
148.247.14.99	A	hedwig.math.cinvestav.mx
148.247.14.101	A	nastassja.math.cinvestav.mx
148.247.14.134	A	power.math.cinvestav.mx
148.247.14.137	A	dukehome.math.cinvestav.mx
148.247.14.138	A	dukebook.math.cinvestav.mx
148.247.14.139	A	gama.math.cinvestav.mx
148.247.14.197	A	oziewicz.math.cinvestav.mx
148.247.14.204	A	caronte.math.cinvestav.mx
148.247.14.206	A	fsagols.math.cinvestav.mx
148.247.14.214	A	yessica.math.cinvestav.mx
148.247.21.3	A+PTR	mail.cts-design.com
148.247.21.3	A	cts-design.com
148.247.21.3	A	gdl.cinvestav.mx
148.247.21.11	PTR	intranet.gdl.cinvestav.mx
148.247.21.12	PTR	video.gdl.cinvestav.mx
148.247.21.160	PTR	tesla-com.gdl.cinvestav.mx
148.247.22.8	A+PTR	swnl.saltillo.cinvestav.mx
148.247.22.8	A	snwl.cinvestav.edu.mx
148.247.22.14	PTR	www.saltillo.cinvestav.mx
148.247.22.14	A	cinvestav.edu.mx
148.247.22.14	A	saltillo.cinvestav.mx
148.247.41.197	A+PTR	arcos.qro.cinvestav.mx
148.247.41.197	A	www.qro.cinvestav.mx
148.247.41.197	A	qro.cinvestav.mx
148.247.42.1	A	paseosdelbosque.com
148.247.51.13	A	berlinux.com.mx
148.247.51.13	A	ns1.berlinux.mx
148.247.51.13	A	berlinux.mx