Robtex

Up: 216.73.64.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.73.64.0/25
Down right: 216.73.64.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.73.64.1	A+PTR	sjsd-merlin.merlin.mb.ca
216.73.64.2	A+PTR	sjsd-064-002.merlin.mb.ca
216.73.64.3	A+PTR	sjsd-064-003.merlin.mb.ca
216.73.64.3	A	netadmin.sjsd.net
216.73.64.3	A	dns1.sjsd.net
216.73.64.4	A+PTR	mail.sjsd.net
216.73.64.4	A	athlone.sjsd.net
216.73.64.4	A	bannatyne.sjsd.net
216.73.64.6	A+PTR	sjsd-064-006.merlin.mb.ca
216.73.64.24	A+PTR	sjsd-064-024.merlin.mb.ca
216.73.64.24	A	ns1.sjsd.net
216.73.64.24	A	iphost-064-024.merlin.mb.ca
216.73.64.29	A	mdm.sjsd.net
216.73.64.38	PTR	sjsd-064-038.merlin.mb.ca
216.73.64.38	A	destiny.sjsd.net
216.73.64.39	PTR	sjsd-064-039.merlin.mb.ca
216.73.64.44	A+PTR	sjsd-064-044.merlin.mb.ca
216.73.64.47	A+PTR	sjsd-064-047.merlin.mb.ca
216.73.64.48	A+PTR	sjsd-064-048.merlin.mb.ca
216.73.64.49	A+PTR	sjsd-064-049.merlin.mb.ca
216.73.64.51	PTR	sjsd-064-051.merlin.mb.ca
216.73.64.66	A+PTR	isd-064-066.merlin.mb.ca
216.73.64.66	A	www.isd21.mb.ca
216.73.64.66	A	isd21.mb.ca
216.73.64.74	A+PTR	exchange.isd21.mb.ca
216.73.64.88	A+PTR	svsd-064-088.merlin.mb.ca
216.73.64.88	A	iphost-064-088.merlin.mb.ca
216.73.64.98	PTR	mail.lakeshoresd.mb.ca
216.73.64.109	A+PTR	iphost-064-109.merlin.mb.ca
216.73.64.112	A+PTR	ffsd-064-112.merlin.mb.ca
216.73.64.115	A+PTR	ffsd-064-115.merlin.mb.ca
216.73.64.118	A+PTR	ffsd-064-118.merlin.mb.ca
216.73.64.118	A	kayak.ffsd.mb.ca
216.73.64.155	A+PTR	smtp.ksd.mb.ca
216.73.64.194	PTR	trsd-064-194.merlin.mb.ca
216.73.64.194	A	trsd32.mb.ca
216.73.64.194	A	www.trsd32.mb.ca
216.73.64.226	PTR	mlsd-064-226.merlin.mb.ca
216.73.64.228	A	mail.svsd.ca