Robtex

Up: 72.8.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 72.8.64.0/19
Down right: 72.8.96.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.8.64.157	A	nathanherre.com
72.8.65.2	PTR	2.65.8.72.dhcp.mstarmetro.net
72.8.65.66	PTR	66.65.8.72.dhcp.mstarmetro.net
72.8.65.128	PTR	128.65.8.72.dhcp.mstarmetro.net
72.8.67.147	A	jallama.com
72.8.67.147	A	momallama.com
72.8.67.147	A	chugaholic.com
72.8.68.1	PTR	1.68.8.72.dhcp.mstarmetro.net
72.8.68.2	PTR	2.68.8.72.dhcp.mstarmetro.net
72.8.68.3	PTR	3.68.8.72.dhcp.mstarmetro.net
72.8.68.4	PTR	4.68.8.72.dhcp.mstarmetro.net
72.8.68.71	A	squibert.com
72.8.69.37	A	programsplusweb.com
72.8.69.65	PTR	65.69.8.72.dhcp.mstarmetro.net
72.8.71.1	PTR	1.71.8.72.dhcp.mstarmetro.net
72.8.74.229	A	burgonfamily.com
72.8.75.223	A	indianajon.com
72.8.93.77	A	tentonmotherlode.com
72.8.94.9	A	ns0.glenn-cook.com
72.8.94.9	A	mail-spool.couponorder.com
72.8.94.9	A	mail-spool.findasale.com
72.8.94.113	A	slicktunes.com
72.8.94.113	A	toneacademy.com
72.8.94.113	A	stormymountainboys.com
72.8.95.2	PTR	2.95.8.72.dhcp.mstarmetro.net
72.8.95.82	A	honeyfountainexecs.com
72.8.95.82	A	www.honeyfountainexecs.com
72.8.98.227	PTR	227.98.8.72.dhcp.mstarmetro.net
72.8.103.1	PTR	1.103.8.72.dhcp.mstarmetro.net
72.8.103.2	PTR	2.103.8.72.dhcp.mstarmetro.net
72.8.103.3	PTR	3.103.8.72.dhcp.mstarmetro.net
72.8.103.66	PTR	66.103.8.72.dhcp.mstarmetro.net
72.8.103.67	PTR	67.103.8.72.dhcp.mstarmetro.net
72.8.103.130	PTR	130.103.8.72.dhcp.mstarmetro.net
72.8.103.192	PTR	192.103.8.72.dhcp.mstarmetro.net
72.8.103.193	PTR	193.103.8.72.dhcp.mstarmetro.net
72.8.112.9	PTR	mail.ashcraft.org
72.8.112.20	A	iwinsystems.info
72.8.112.20	A	iwinsystems.net
72.8.119.7	A	llvcommunications.com
72.8.119.7	A	www.llvcommunications.com
72.8.119.9	PTR	mail2.4dv.net
72.8.119.9	A	mail.llvcommunications.com
72.8.119.9	A	mail.petrobyte.com
72.8.119.10	PTR	remote.cable-systems.com
72.8.120.115	A	mail.myspamguard.net
72.8.122.230	A	kaleidoscopepictures.net
72.8.124.4	PTR	4.124.8.72.dhcp.mstarmetro.net
72.8.124.64	PTR	64.124.8.72.dhcp.mstarmetro.net
72.8.124.192	PTR	192.124.8.72.dhcp.mstarmetro.net
72.8.126.134	A	smtp-in.myrealbox.net
72.8.127.50	A	diversityhub.com
72.8.127.60	A	www.davewking.com
72.8.127.67	PTR	nuworldmarketing.com
72.8.127.104	A	mail.emforms.com