Robtex

Up: 67.216.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 67.216.72.0/23
Down right: 67.216.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.216.72.23	PTR	user-67-216-72-23.dbsintl.com
67.216.72.23	A	revealdata.com
67.216.72.23	A	theclearviewsystem.com
67.216.72.55	A	ns2.baltimoretechnologypark.com
67.216.72.55	A	ns2.tierpoint.com
67.216.72.55	A	ns2.anodynetech.com
67.216.72.162	PTR	email4-beyond.com
67.216.72.162	A	mail.email4-beyond.com
67.216.72.162	A	www.email4-beyond.com
67.216.72.164	A	smtp2.email4-beyond.com
67.216.72.164	A	sm2.email.nexxt.com
67.216.72.165	A	smtp3.email4-beyond.com
67.216.72.165	A	sm3.email.nexxt.com
67.216.72.166	PTR	gw.email4-beyond.com
67.216.72.168	A	sm8.email.nexxt.com
67.216.72.169	A	sm9.email.nexxt.com
67.216.72.170	A	sm10.email.nexxt.com
67.216.72.171	A	sm11.email.nexxt.com
67.216.72.172	A	sm12.email.nexxt.com
67.216.72.173	A	sm13.email.nexxt.com
67.216.72.174	A	sm14.email.nexxt.com
67.216.72.176	A+PTR	email.nexxt.com
67.216.72.177	A	sm7.email.nexxt.com
67.216.72.178	A	smtp18.email4-beyond.com
67.216.72.178	A	sm18.email.nexxt.com
67.216.72.180	A	sm20.email.nexxt.com
67.216.72.180	A	smtp20.email4-beyond.com
67.216.72.182	A	sm22.email.nexxt.com
67.216.72.183	A	sm23.email.nexxt.com
67.216.72.184	A	sm4.email.nexxt.com
67.216.72.185	A	sm5.email.nexxt.com
67.216.72.187	PTR	user-67.216.72-187.dbsintl.com
67.216.72.187	A	mail.testbeyond2.com
67.216.72.187	A	mail.beyondcomedians.com
67.216.72.188	A	smtp16.email4-beyond.com
67.216.72.188	A	sm16.email.nexxt.com
67.216.72.208	A	ns1.answerthink.com
67.216.72.208	A	ns1.thehackettgroup.com
67.216.72.216	A	archstoneconsulting.com
67.216.72.216	A	www.archstoneconsulting.com
67.216.72.217	A	www.answerthink.com
67.216.72.217	A	answerthink.com
67.216.72.220	A	relconsultancy.com
67.216.72.220	A	www.relconsultancy.com
67.216.72.220	A	relconsultancy.co.uk
67.216.72.222	A+PTR	smtpr02.thehackettgroup.com
67.216.72.224	A	bsmtp01.thehackettgroup.com
67.216.72.224	A	bsmtp01.answerthink.com
67.216.72.231	A	member.thehackettgroup.com
67.216.73.2	PTR	user-67-216-73-2.dbsintl.com
67.216.73.3	PTR	user-67-216-73-3.dbsintl.com
67.216.73.5	PTR	user-67-216-73-5.dbsintl.com
67.216.73.6	PTR	user-67-216-73-6.dbsintl.com
67.216.73.10	PTR	user-67-216-73-10.dbsintl.com
67.216.73.16	PTR	user-67-216-73-16.dbsintl.com
67.216.73.17	PTR	user-67-216-73-17.dbsintl.com
67.216.73.23	PTR	user-67-216-73-23.dbsintl.com
67.216.73.26	PTR	user-67-216-73-26.dbsintl.com
67.216.73.28	PTR	user-67-216-73-28.dbsintl.com
67.216.73.31	PTR	user-67-216-73-31.dbsintl.com
67.216.73.46	PTR	user-67-216-73-46.dbsintl.com
67.216.73.47	PTR	user-67-216-73-47.dbsintl.com
67.216.73.49	PTR	user-67-216-73-49.dbsintl.com
67.216.73.54	PTR	user-67-216-73-54.dbsintl.com
67.216.73.55	PTR	user-67-216-73-55.dbsintl.com
67.216.73.56	PTR	user-67-216-73-56.dbsintl.com
67.216.73.60	PTR	user-67-216-73-60.dbsintl.com
67.216.73.61	PTR	user-67-216-73-61.dbsintl.com
67.216.73.65	PTR	user-67-216-73-65.dbsintl.com
67.216.73.70	PTR	user-67-216-73-70.dbsintl.com
67.216.73.72	PTR	user-67-216-73-72.dbsintl.com
67.216.73.75	PTR	user-67-216-73-75.dbsintl.com
67.216.73.75	A	ftp.hughessupply.com
67.216.73.75	A	outmail1.hughessupply.com
67.216.73.76	PTR	user-67-216-73-76.dbsintl.com
67.216.73.81	PTR	user-67-216-73-81.dbsintl.com
67.216.73.83	PTR	user-67-216-73-83.dbsintl.com
67.216.73.85	PTR	user-67-216-73-85.dbsintl.com
67.216.73.94	PTR	user-67-216-73-94.dbsintl.com
67.216.73.95	PTR	user-67-216-73-95.dbsintl.com
67.216.73.99	PTR	user-67-216-73-99.dbsintl.com
67.216.73.100	PTR	user-67-216-73-100.dbsintl.com
67.216.73.100	A	www.hajoca.net
67.216.73.100	A	hajoca.net
67.216.73.101	A	weinsteinwillowgrove.com
67.216.73.101	A	www.tpwlittlerock.com
67.216.73.101	A	www.e-hajoca.com
67.216.73.102	PTR	user-67-216-73-102.dbsintl.com
67.216.73.103	PTR	user-67-216-73-103.dbsintl.com
67.216.73.105	PTR	user-67-216-73-105.dbsintl.com
67.216.73.105	A	heieck.com
67.216.73.105	A	www.hajoca.com
67.216.73.115	PTR	user-67-216-73-115.dbsintl.com
67.216.73.115	A	adfs.hajoca.com
67.216.73.126	PTR	user-67-216-73-126.dbsintl.com
67.216.73.129	PTR	user-67-216-73-129.dbsintl.com
67.216.73.133	PTR	user-67-216-73-133.dbsintl.com
67.216.73.136	PTR	user-67-216-73-136.dbsintl.com
67.216.73.136	A	heieck.com
67.216.73.136	A	www.hajoca.com
67.216.73.138	PTR	user-67-216-73-138.dbsintl.com
67.216.73.140	PTR	user-67-216-73-140.dbsintl.com
67.216.73.141	A	webmail.hajoca.com
67.216.73.142	PTR	user-67-216-73-142.dbsintl.com
67.216.73.144	PTR	user-67-216-73-144.dbsintl.com
67.216.73.148	A	www.e-hajoca.com
67.216.73.151	PTR	user-67-216-73-151.dbsintl.com
67.216.73.153	PTR	user-67-216-73-153.dbsintl.com
67.216.73.155	PTR	user-67-216-73-155.dbsintl.com
67.216.73.159	PTR	user-67-216-73-159.dbsintl.com
67.216.73.170	PTR	user-67-216-73-170.dbsintl.com
67.216.73.170	A	lcr-m.net
67.216.73.170	A	*.lcr-m.net
67.216.73.171	PTR	user-67-216-73-171.dbsintl.com
67.216.73.175	PTR	user-67-216-73-175.dbsintl.com
67.216.73.177	PTR	user-67-216-73-177.dbsintl.com
67.216.73.178	A	mail1.hajoca.com
67.216.73.182	PTR	user-67-216-73-182.dbsintl.com
67.216.73.189	PTR	user-67-216-73-189.dbsintl.com
67.216.73.193	A	plumbingsupply.info
67.216.73.194	PTR	user-67-216-73-194.dbsintl.com
67.216.73.198	PTR	user-67-216-73-198.dbsintl.com
67.216.73.201	PTR	user-67-216-73-201.dbsintl.com
67.216.73.202	PTR	user-67-216-73-202.dbsintl.com
67.216.73.207	PTR	user-67-216-73-207.dbsintl.com
67.216.73.211	PTR	user-67-216-73-211.dbsintl.com
67.216.73.221	PTR	user-67-216-73-221.dbsintl.com
67.216.73.223	PTR	user-67-216-73-223.dbsintl.com
67.216.73.227	PTR	user-67-216-73-227.dbsintl.com
67.216.73.227	A	adfs.hajoca.com
67.216.73.236	PTR	user-67-216-73-236.dbsintl.com
67.216.73.236	A	hjcinc.com
67.216.73.236	A	hjccorp.ca
67.216.73.240	PTR	user-67-216-73-240.dbsintl.com
67.216.73.241	PTR	user-67-216-73-241.dbsintl.com
67.216.73.245	A	email.hajoca.com
67.216.73.247	PTR	user-67-216-73-247.dbsintl.com
67.216.73.248	PTR	user-67-216-73-248.dbsintl.com
67.216.73.249	PTR	user-67-216-73-249.dbsintl.com
67.216.73.249	A	mainlux.com
67.216.73.249	A	hajoca-foresthill.com
67.216.73.250	PTR	user-67-216-73-250.dbsintl.com
67.216.73.253	PTR	user-67-216-73-253.dbsintl.com
67.216.74.31	PTR	user-67-216-74-31.dbsintl.com
67.216.74.198	A	healthcostestimator.com
67.216.74.199	A	healthproponent.com
67.216.74.199	A	experthealthconnections.com
67.216.74.199	A	www.healthproponent.com
67.216.74.200	PTR	user-67-216-74-200.dbsintl.com
67.216.74.200	A	blog.healthadvocate.com
67.216.74.201	PTR	user-67-216-74-201.dbsintl.com
67.216.74.201	A	www.healthadvocate.com
67.216.74.201	A	www.healthadvocate.net
67.216.74.203	PTR	user-67-216-74-203.dbsintl.com
67.216.74.217	PTR	user-67-216-74-217.dbsintl.com
67.216.74.217	A	qwalla.info
67.216.74.217	A	propubsummit.com
67.216.74.220	PTR	user-67-216-74-220.dbsintl.com
67.216.74.220	A	www.maned.com
67.216.74.220	A	*.qwalla.us
67.216.74.241	A	sanmgt2.sanovia.net
67.216.75.56	A	royal.storagemonkey.com
67.216.75.67	PTR	mail.m3login.com
67.216.75.68	A	eptechnical.com
67.216.75.70	PTR	user-67-216-75-70.dbsintl.net
67.216.75.70	A	ns1.execupharm.com
67.216.75.81	PTR	user-67-216-75-81.dbsintl.net
67.216.75.81	A	mx1.epmailsrvr.com
67.216.75.82	A	mail2.execupharm.com
67.216.75.83	A	mail3.execupharm.com
67.216.75.83	A	mx3.epmailsrvr.com
67.216.75.84	A	mail4.execupharm.com
67.216.75.85	A	mx1.epmailsrvr.com
67.216.75.88	PTR	user-67-216-75-88.dbsintl.net
67.216.75.88	A	epclinical.com
67.216.75.88	A	epmailsrvr.com
67.216.75.91	PTR	user-67-216-75-91.dbsintl.net
67.216.75.91	A	mx3.epmailsrvr.com
67.216.75.96	PTR	user-67-216-75-96.dbsintl.net
67.216.75.118	A+PTR	rwhois1.dbsintl.net
67.216.75.132	PTR	fw-colo.planalytics.com
67.216.75.132	A	mail.boxtechs.com
67.216.75.132	A	boxtechs.com
67.216.75.134	A	ns2.planalytics.com
67.216.75.135	PTR	mail2.planalytics.com
67.216.75.138	A+PTR	ns1.planalytics.com
67.216.75.140	A	analyst.planalytics.com
67.216.75.145	PTR	ftp.planalytics.com
67.216.75.145	A	ftp.weathermarkets.com
67.216.75.149	A	www.weathermarkets.com
67.216.75.228	PTR	user-67-216-75-228.dbsintl.net
67.216.75.228	A	golevelone.net
67.216.75.230	A	level1agency.com
67.216.75.230	A	www.level1agency.com