Robtex

Up: 67.158.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 67.158.240.0/21
Down right: 67.158.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.158.240.48	PTR	host-240-48.vaqueronet.com
67.158.240.192	PTR	host-240-192.vaqueronet.com
67.158.243.5	PTR	mail.vaqueronet.com
67.158.243.5	PTR	dns1.vaqueronet.com
67.158.243.5	A	vaqueronet.com
67.158.243.6	A+PTR	ns2.vaqueronet.com
67.158.243.28	A	www.vaqueronet.com