Robtex

Up: 207.253.36.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 207.253.36.0/24
Down right: 207.253.37.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
207.253.36.2	A+PTR	appweb.csvdc.qc.ca
207.253.36.10	A+PTR	linux.csvdc.qc.ca
207.253.37.113	PTR	mail.vallee.ca
207.253.37.113	A	mail.forksvallee.com
207.253.37.113	A	mail.lifttruckvallee.com
207.253.37.187	PTR	pppoe-207-253-37-187.xittel.net