Robtex

Up: 201.156.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 201.156.40.0/22
Down right: 201.156.44.0/22

IP	Type	Hostname
201.156.40.225	PTR	na-201-156-40-225.static.avantel.net.mx
201.156.41.179	A+PTR	na-201-156-41-179.static.avantel.net.mx
201.156.41.179	A	transportesdaj.com
201.156.41.179	A	www.psg.mx
201.156.42.110	A+PTR	na-201-156-42-110.static.avantel.net.mx
201.156.42.110	A	aretina-axtel.homelinux.org
201.156.44.218	A+PTR	na-201-156-44-218.static.avantel.net.mx
201.156.44.218	A	pqmsap.ddnsking.com
201.156.46.123	A	www.medran.net