Robtex

Up: 216.138.72.0/21
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Down left: 216.138.72.0/23
Down right: 216.138.74.0/23

IP	Type	Hostname
216.138.72.4	A	mail.apogeepartners.net
216.138.72.18	PTR	unsi-216-138-72-18.unsi.net
216.138.72.84	A	mail.woodhausinc.com
216.138.72.111	PTR	unsi-216-138-72-111.unsi.net
216.138.72.130	PTR	mail.shannongracey.com
216.138.72.146	PTR	unsi-216-138-72-146.unsi.net
216.138.72.182	PTR	unsi-216-138-72-182.unsi.net
216.138.72.202	PTR	mail.lhsdfw.org
216.138.72.202	A	mail.dallaslutheranschool.org
216.138.72.202	A	mail60704.dallaslutheranschool.com
216.138.72.227	PTR	mail.utb.com
216.138.72.242	PTR	unsi-216-138-72-242.unsi.net
216.138.73.8	PTR	unsi-216-138-73-8.unsi.net
216.138.73.18	PTR	unsi-216-138-73-18.unsi.net
216.138.73.18	A	mail.cbs11tv.com
216.138.73.18	A	mail.ktvt.com
216.138.73.19	PTR	unsi-216-138-73-19.unsi.net
216.138.73.67	A	mail.goodloerealty.com
216.138.73.128	PTR	unsi-216-138-73-128.unsi.net
216.138.73.140	PTR	unsi-216-138-73-140.unsi.net
216.138.73.142	PTR	unsi-216-138-73-142.unsi.net
216.138.73.142	A	queue.optimumreturn.com
216.138.73.150	A	mail.legacytexasgroup.org
216.138.73.150	A	mail.legacytexasbank.net
216.138.73.180	PTR	unsi-216-138-73-180.unsi.net
216.138.73.208	PTR	unsi-216-138-73-208.unsi.net
216.138.73.211	PTR	unsi-216-138-73-211.unsi.net
216.138.73.214	PTR	unsi-216-138-73-214.unsi.net
216.138.73.218	PTR	a-concepts.com
216.138.73.219	PTR	stalkerradar.com
216.138.73.244	PTR	alliancearch.com
216.138.73.250	PTR	unsi-216-138-73-250.unsi.net
216.138.74.0	PTR	unsi-216-138-74-0.unsi.net
216.138.74.14	PTR	unsi-216-138-74-14.unsi.net
216.138.74.20	PTR	unsi-216-138-74-20.unsi.net
216.138.74.23	PTR	unsi-216-138-74-23.unsi.net
216.138.74.82	PTR	mail.tcresidential.com
216.138.74.86	PTR	unsi-216-138-74-86.unsi.net
216.138.74.137	PTR	unsi-216-138-74-137.unsi.net
216.138.74.138	A	mail.4c2electrical.com
216.138.74.153	PTR	unsi-216-138-74-153.unsi.net
216.138.74.206	A+PTR	exchange.gvbarchitects.com
216.138.74.213	PTR	unsi-216-138-74-213.unsi.net
216.138.75.51	PTR	lymba.com
216.138.75.119	PTR	airband-216-138-75-119.airband.net
216.138.75.119	A	ebuenoclub.com
216.138.75.154	PTR	unsi-216-138-75-154.unsi.net
216.138.75.174	PTR	unsi-216-138-75-174.unsi.net