Robtex

Up: 64.74.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.74.64.0/21
Down right: 64.74.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.74.64.19	A	bsfke.mcallistertowing.com
64.74.64.20	PTR	bsfke.mcallistertowing.com
64.74.64.20	A	bsfny.mcallistertowing.com
64.74.64.22	A	mail.mcallistertowing.com
64.74.64.50	A	cestugs.com
64.74.64.51	A	liferry.com
64.74.64.52	A	88844ferry.com
64.74.64.53	A	www.portjeffferry.com
64.74.65.9	PTR	www.mail.mcallistertowing.com
64.74.66.243	A	ch400.org
64.74.66.251	A	myofficecomputer.com
64.74.67.1	PTR	edge-inap-gw.edgetrade.com
64.74.67.2	PTR	inaprtr1.edgetrade.com
64.74.67.4	PTR	reverse4.edgetrade.com
64.74.67.16	PTR	www75.edgetrade.com
64.74.67.113	PTR	reverse113.edgetrade.com
64.74.67.162	PTR	reverse162.edgetrade.com
64.74.67.176	PTR	reverse176.edgetrade.com
64.74.67.227	PTR	fogbugz.edgetrade.com
64.74.69.5	PTR	viper.ussco.com
64.74.69.6	PTR	cobra.ussco.com
64.74.69.7	PTR	viper.ussco.com
64.74.70.25	A	mailgw.phinitycap.com
64.74.71.104	A	*.salvaje.ws
64.74.71.104	A	mail2.salvaje.ws
64.74.71.104	A	www.salvaje.ws
64.74.72.176	PTR	ns1626.ztomy.com
64.74.74.244	A	ospraiemgmt.com
64.74.75.2	PTR	host2.orteliuscapital.com
64.74.75.3	PTR	host3.orteliuscapital.com
64.74.75.50	PTR	host50.orteliuscapital.com
64.74.75.146	PTR	host146.orteliuscapital.com
64.74.75.178	PTR	host178.orteliuscapital.com
64.74.75.193	PTR	host193.orteliuscapital.com
64.74.75.211	PTR	host211.orteliuscapital.com
64.74.77.12	A	ns2.freshdirect.com
64.74.77.14	A	ns4.freshdirect.com
64.74.77.242	A	fwpat.freshdirect.com
64.74.78.32	PTR	64-74-78-32.67bc7.rosemb.com
64.74.78.34	PTR	64-74-78-34.67bc9.rosemb.com
64.74.78.99	PTR	64-74-78-99.67c0a.rosemb.com
64.74.78.100	A	mail.leukemia-fighters.org
64.74.78.115	PTR	64-74-78-115.67c1a.rosemb.com
64.74.78.211	PTR	64-74-78-211.67c7a.rosemb.com
64.74.78.225	PTR	64-74-78-225.67c88.rosemb.com