Robtex

Up: 148.247.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 148.247.128.0/20
Down right: 148.247.144.0/20

IP	Type	Hostname
148.247.153.1	A+PTR	tlaloc.cell.cinvestav.mx
148.247.153.2	A+PTR	paynal.cell.cinvestav.mx
148.247.156.1	A+PTR	ftp.fisio.cinvestav.mx
148.247.156.1	A+PTR	neuro1.fisio.cinvestav.mx
148.247.156.1	A	156.247.148.in-addr.arpa
148.247.156.3	PTR	www.fanis.fisio.cinvestav.mx
148.247.156.3	A+PTR	www.fisio.cinvestav.mx
148.247.156.3	PTR	fanis.fisio.cinvestav.mx
148.247.156.6	PTR	neurored.fisio.cinvestav.mx
148.247.156.7	PTR	webmail.fisio.cinvestav.mx
148.247.156.218	PTR	webmail.fisio.cinvestav.mx
148.247.157.50	A+PTR	atp.biochem.cinvestav.mx