Robtex

Up: 64.42.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.42.112.0/21
Down right: 64.42.120.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.42.112.175	PTR	64-42-112-175.atgi.net
64.42.112.175	A	funplugz.com
64.42.113.1	PTR	azroomstore.com
64.42.113.2	PTR	azroomstore.com
64.42.113.3	PTR	azroomstore.com
64.42.113.4	PTR	azroomstore.com
64.42.113.37	A	sophossg.onemedical.com
64.42.115.42	A	mail.metzcpa.com
64.42.115.48	PTR	64-42-115-48.atgi.net
64.42.115.82	PTR	64-42-115-82.atgi.net
64.42.115.112	PTR	64-42-115-112.atgi.net
64.42.115.225	PTR	64-42-115-225.atgi.net
64.42.115.240	PTR	64-42-115-240.atgi.net
64.42.117.66	PTR	info1.proresponse.net
64.42.118.3	PTR	64-42-118-3.atgi.net
64.42.118.17	PTR	64-42-118-17.atgi.net
64.42.118.66	A	ithinkink.com
64.42.118.83	A	corp.1stsigns.net
64.42.118.115	PTR	64-42-118-115.atgi.net
64.42.118.176	PTR	64-42-118-176.atgi.net
64.42.118.179	PTR	64-42-118-179.atgi.net
64.42.118.192	PTR	64-42-118-192.atgi.net
64.42.118.195	PTR	64-42-118-195.atgi.net
64.42.118.241	PTR	64-42-118-241.atgi.net
64.42.118.242	PTR	64-42-118-242.atgi.net
64.42.119.248	A	placetrak.com
64.42.120.42	A	mail.cucinatagliani.com
64.42.122.48	PTR	64-42-122-48.atgi.net
64.42.122.192	PTR	64-42-122-192.atgi.net
64.42.123.186	A	mail.trianglesheetmetal.net
64.42.124.100	A	mail.trejofuels.com
64.42.124.194	PTR	office.advancedauto.com
64.42.125.66	PTR	topaz.cdrprod.com
64.42.125.106	A	mail.usaplumbinginc.com
64.42.126.2	A	mpprint.info
64.42.126.11	A	*.pontegraphics.com
64.42.126.11	A	pontegraphics.com
64.42.126.11	A	foilgraphics.com
64.42.126.156	A	silkiedserama.com
64.42.126.156	A	mail.alexicomtech.com
64.42.126.156	A	www.mycloudaac.com
64.42.127.3	PTR	64-42-127-3.atgi.net
64.42.127.18	PTR	64-42-127-18.atgi.net
64.42.127.50	PTR	64-42-127-50.atgi.net
64.42.127.51	PTR	64-42-127-51.atgi.net
64.42.127.66	PTR	64-42-127-66.atgi.net
64.42.127.67	PTR	64-42-127-67.atgi.net
64.42.127.144	PTR	64-42-127-144.atgi.net
64.42.127.145	PTR	64-42-127-145.atgi.net
64.42.127.160	PTR	64-42-127-160.atgi.net
64.42.127.178	PTR	64-42-127-178.atgi.net
64.42.127.193	PTR	64-42-127-193.atgi.net
64.42.127.208	PTR	64-42-127-208.atgi.net
64.42.127.243	PTR	64-42-127-243.atgi.net