Robtex

Up: 68.179.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 68.179.52.0/23
Down right: 68.179.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.179.52.20	A	static-68-179-52-20.ptr.terago.net
68.179.52.38	PTR	static-68-179-52-38.ptr.terago.net
68.179.52.57	A+PTR	static-68-179-52-57.ptr.terago.net
68.179.52.106	A	static-68-179-52-106.ptr.terago.ca
68.179.52.149	PTR	mail2.visions.ca
68.179.52.177	A	mail.comaplex.com
68.179.52.200	A+PTR	static-68-179-52-200.ptr.terago.net
68.179.52.200	A	ns2.lansolutions.ca
68.179.52.200	A	moneaconsulting.com
68.179.52.201	PTR	mail.lansolutions.ca
68.179.52.203	PTR	static-68-179-52-203.ptr.terago.net
68.179.52.204	A	static-68-179-52-204.ptr.terago.net
68.179.52.210	PTR	static-68-179-52-210.ptr.terago.net
68.179.53.0	A+PTR	static-68-179-53-0.ptr.terago.net
68.179.53.1	A	static-68-179-53-1.ptr.terago.ca
68.179.53.2	A+PTR	static-68-179-53-2.ptr.terago.net
68.179.53.2	A	static-68-179-53-2.ptr.terago.ca
68.179.53.8	A+PTR	static-68-179-53-8.ptr.terago.net
68.179.53.11	A+PTR	static-68-179-53-11.ptr.terago.net
68.179.53.13	A	mail.mlbfinancial.com
68.179.53.13	A	static-68-179-53-13.ptr.terago.ca
68.179.53.16	A+PTR	static-68-179-53-16.ptr.terago.net
68.179.53.24	A+PTR	static-68-179-53-24.ptr.terago.net
68.179.53.26	A+PTR	static-68-179-53-26.ptr.terago.net
68.179.53.33	PTR	static-68-179-53-33.ptr.terago.net
68.179.53.34	A+PTR	static-68-179-53-34.ptr.terago.net
68.179.53.51	A+PTR	static-68-179-53-51.ptr.terago.net
68.179.53.54	A+PTR	static-68-179-53-54.ptr.terago.net
68.179.53.58	A+PTR	static-68-179-53-58.ptr.terago.net
68.179.53.66	A+PTR	static-68-179-53-66.ptr.terago.net
68.179.53.68	A+PTR	static-68-179-53-68.ptr.terago.net
68.179.53.74	A+PTR	static-68-179-53-74.ptr.terago.net
68.179.53.78	A+PTR	static-68-179-53-78.ptr.terago.net
68.179.53.79	A+PTR	static-68-179-53-79.ptr.terago.net
68.179.53.87	A+PTR	static-68-179-53-87.ptr.terago.net
68.179.53.104	A+PTR	static-68-179-53-104.ptr.terago.net
68.179.53.111	A+PTR	static-68-179-53-111.ptr.terago.net
68.179.53.112	A+PTR	static-68-179-53-112.ptr.terago.net
68.179.53.115	A+PTR	static-68-179-53-115.ptr.terago.net
68.179.53.119	A+PTR	static-68-179-53-119.ptr.terago.net
68.179.53.122	A+PTR	static-68-179-53-122.ptr.terago.net
68.179.53.126	A+PTR	static-68-179-53-126.ptr.terago.net
68.179.53.129	A+PTR	static-68-179-53-129.ptr.terago.net
68.179.53.130	A+PTR	static-68-179-53-130.ptr.terago.net
68.179.53.132	A+PTR	static-68-179-53-132.ptr.terago.net
68.179.53.139	PTR	mail.canamkitchens.com
68.179.53.153	A	remote.foothillssteel.ca
68.179.53.156	A+PTR	static-68-179-53-156.ptr.terago.net
68.179.53.158	A+PTR	static-68-179-53-158.ptr.terago.net
68.179.53.161	A+PTR	static-68-179-53-161.ptr.terago.net
68.179.53.163	A+PTR	static-68-179-53-163.ptr.terago.net
68.179.53.167	A+PTR	static-68-179-53-167.ptr.terago.net
68.179.53.174	A+PTR	static-68-179-53-174.ptr.terago.net
68.179.53.178	A+PTR	static-68-179-53-178.ptr.terago.net
68.179.53.179	A+PTR	static-68-179-53-179.ptr.terago.net
68.179.53.180	PTR	static-68-179-53-180.ptr.terago.net
68.179.53.186	A+PTR	static-68-179-53-186.ptr.terago.net
68.179.53.196	A	static-68-179-53-196.ptr.terago.net
68.179.53.197	A+PTR	static-68-179-53-197.ptr.terago.net
68.179.53.199	PTR	mail.winmaxis.com
68.179.53.204	A+PTR	static-68-179-53-204.ptr.terago.net
68.179.53.209	A+PTR	static-68-179-53-209.ptr.terago.net
68.179.53.211	A+PTR	static-68-179-53-211.ptr.terago.net
68.179.53.217	A+PTR	mail.amta.ca
68.179.53.217	A	static-68-179-53-217.ptr.terago.net
68.179.53.222	A+PTR	static-68-179-53-222.ptr.terago.net
68.179.53.222	A	mail0.amta.ca
68.179.53.225	A+PTR	static-68-179-53-225.ptr.terago.net
68.179.53.226	A+PTR	static-68-179-53-226.ptr.terago.net
68.179.53.230	A+PTR	static-68-179-53-230.ptr.terago.net
68.179.53.241	A+PTR	static-68-179-53-241.ptr.terago.net
68.179.53.242	A+PTR	static-68-179-53-242.ptr.terago.net
68.179.53.246	A+PTR	static-68-179-53-246.ptr.terago.net
68.179.54.10	A	static-68-179-54-10.ptr.terago.ca
68.179.54.145	A	mail.foothillssystems.ca
68.179.54.145	A	stelterr.ssi-domain.com
68.179.54.153	PTR	mail.fleet.works
68.179.54.153	A	turnerbodyworks.com
68.179.54.153	A	mail.fleetworks.com
68.179.54.225	PTR	innicor.com
68.179.55.77	A+PTR	static-68-179-55-77.ptr.terago.net
68.179.55.80	PTR	static-68-179-55-80.ptr.terago.net
68.179.55.174	A	windows.expodns.com
68.179.55.242	A	static-68-179-55-242.ptr.terago.net