Robtex

Up: 216.73.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.73.66.0/25
Down right: 216.73.66.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.73.66.1	A+PTR	fsd-066-001.merlin.mb.ca
216.73.66.3	A+PTR	fsd-066-003.merlin.mb.ca
216.73.66.26	A+PTR	fsd-066-026.merlin.mb.ca
216.73.66.34	A+PTR	fsd-066-034.merlin.mb.ca
216.73.66.41	A+PTR	fsd-066-041.merlin.mb.ca
216.73.66.74	A+PTR	fsd-066-074.merlin.mb.ca
216.73.66.83	A+PTR	fsd-066-083.merlin.mb.ca
216.73.66.132	A+PTR	stpaulhs-066-132.merlin.mb.ca
216.73.66.132	A	powerschool.stpauls.mb.ca
216.73.66.155	A+PTR	youmail.springs.ca
216.73.66.155	A	mail.springs.ca
216.73.66.162	A+PTR	stmarys-066-162.merlin.mb.ca
216.73.66.162	A	support.stmarysacademy.mb.ca
216.73.66.162	A	edu.stmarysacademy.mb.ca
216.73.66.164	PTR	stmarys-066-164.merlin.mb.ca
216.73.66.167	A+PTR	stmarys-066-167.merlin.mb.ca
216.73.66.171	A+PTR	mail.stmarysacademy.mb.ca
216.73.66.171	A	ns.stmarysacademy.mb.ca
216.73.66.171	A	ns.smaphotos.ca
216.73.66.172	PTR	mail.edu.stmarysacademy.mb.ca
216.73.66.172	A	fwssc.ca
216.73.66.172	A	ns1.fwssc.ca
216.73.66.174	A+PTR	stmarys-066-174.merlin.mb.ca
216.73.66.174	A	stmarysacademy.mb.ca
216.73.66.174	A	www.smamb.ca
216.73.66.175	A+PTR	stmarys-066-175.merlin.mb.ca
216.73.66.175	A	mail.edu.stmarysacademy.mb.ca
216.73.66.182	A+PTR	iphost-066-182.merlin.mb.ca
216.73.66.201	A+PTR	lsd-066-201.merlin.mb.ca