Robtex

Up: 192.100.164.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.100.164.0/25
Down right: 192.100.164.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.100.164.13	PTR	radioserver.cuc.uqroo.mx
192.100.164.23	A	bidi.cuc.uqroo.mx
192.100.164.26	A+PTR	uqroo-dc.cuc.uqroo.mx
192.100.164.26	A	redes.uqroo.mx
192.100.164.27	A	oulch.cuc.uqroo.mx
192.100.164.28	A	cursos2.uqroo.mx
192.100.164.31	A+PTR	sined.cuc.uqroo.mx
192.100.164.32	A	updown.cuc.uqroo.mx
192.100.164.34	A+PTR	sau.cuc.uqroo.mx
192.100.164.38	A+PTR	uqrooweb.cuc.uqroo.mx
192.100.164.38	A	www.uqroo.mx
192.100.164.38	A	cenei.uqroo.mx
192.100.164.55	A+PTR	sbg.cuc.uqroo.mx
192.100.164.55	A	sbg.uqroo.mx
192.100.164.56	A	sbg2.cuc.uqroo.mx
192.100.164.59	A	cursos.cuc.uqroo.mx
192.100.164.64	A+PTR	externosweb.cuc.uqroo.mx
192.100.164.64	A	www.upb.edu.mx
192.100.164.93	A+PTR	webnuevo.cuc.uqroo.mx
192.100.164.125	A+PTR	nsuqroo.uqroo.mx
192.100.164.233	A+PTR	firewalluqroo.cuc.uqroo.mx
192.100.164.240	A+PTR	balam3.cuc.uqroo.mx
192.100.164.249	A+PTR	dzibanche.biblos.uqroo.mx