Robtex

Up: 216.146.45.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 216.146.45.0/26
Down right: 216.146.45.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.146.45.2	A+PTR	core-02-mht.dyndns.com
216.146.45.10	A+PTR	smtp-01-mht.dyndns.com
216.146.45.10	A	mail2.dyndns.com
216.146.45.10	A	mail.dyndns.com
216.146.45.11	A	sgwellsford.com
216.146.45.13	A+PTR	github-01-mht.dyndns.com
216.146.45.28	A	app-04-mht.dyndns.com
216.146.45.31	A	logs-01-mht.dyndns.com
216.146.45.32	A+PTR	backup-01-mht.dyndns.com
216.146.45.33	A+PTR	vpn-10-mht.dyndns.com
216.146.45.33	A	kittystoykovichdesigns.com
216.146.45.33	A	realeyeindia.net
216.146.45.34	PTR	vpn-11-mht.dyndns.com
216.146.45.34	A	testmyapps.net
216.146.45.34	A	jackriach.com
216.146.45.36	A	dynect-billing-01-mht.dyndns.com
216.146.45.40	A+PTR	voip-01-mht.dyndns.com
216.146.45.50	A+PTR	dynmail-01-mht.dyndns.com
216.146.45.50	A	zmta-01-mht.dyndns.com
216.146.45.51	A+PTR	zmta-02-mht.dyndns.com
216.146.45.71	A	vpn-30-mht.dyndns.com