Robtex

Up: 68.99.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 68.99.72.0/23
Down right: 68.99.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.99.72.70	A+PTR	mail.baassembly.org
68.99.72.103	A	jonesplanserver.jonesplan.com
68.99.72.127	A+PTR	wsip-68-99-72-127.tu.ok.cox.net
68.99.72.188	A	wsip-68-99-72-188.tu.ok.cox.net
68.99.72.208	PTR	churchofsaintmary.com
68.99.72.227	A+PTR	wsip-68-99-72-227.tu.ok.cox.net
68.99.73.2	A	mail1.elevating.com
68.99.73.2	A	www.elevating.com
68.99.73.10	A+PTR	wsip-68-99-73-10.tu.ok.cox.net
68.99.73.13	PTR	mail.cookieadvantage.com
68.99.73.19	A+PTR	wsip-68-99-73-19.tu.ok.cox.net
68.99.73.23	A+PTR	wsip-68-99-73-23.tu.ok.cox.net
68.99.73.32	A+PTR	wsip-68-99-73-32.tu.ok.cox.net
68.99.73.33	A+PTR	wsip-68-99-73-33.tu.ok.cox.net
68.99.73.34	A+PTR	wsip-68-99-73-34.tu.ok.cox.net
68.99.73.39	A+PTR	wsip-68-99-73-39.tu.ok.cox.net
68.99.73.46	A	mail.qptulsaftp.com
68.99.73.46	A	qptulsaftp.com
68.99.73.50	A+PTR	wsip-68-99-73-50.tu.ok.cox.net
68.99.73.57	A+PTR	wsip-68-99-73-57.tu.ok.cox.net
68.99.73.61	PTR	wsip-68-99-73-61.tu.ok.cox.net
68.99.73.63	A+PTR	mail.westernprintingcoinc.com
68.99.73.69	A+PTR	wsip-68-99-73-69.tu.ok.cox.net
68.99.73.80	A+PTR	wsip-68-99-73-80.tu.ok.cox.net
68.99.73.90	A	mail.sowingwellness.com
68.99.73.90	A	ex.sowingwellness.com
68.99.73.91	A+PTR	wsip-68-99-73-91.tu.ok.cox.net
68.99.73.95	A	first-commercial.com
68.99.73.98	A+PTR	wsip-68-99-73-98.tu.ok.cox.net
68.99.73.105	A+PTR	wsip-68-99-73-105.tu.ok.cox.net
68.99.73.108	A+PTR	wsip-68-99-73-108.tu.ok.cox.net
68.99.73.111	A+PTR	wsip-68-99-73-111.tu.ok.cox.net
68.99.73.113	A+PTR	wsip-68-99-73-113.tu.ok.cox.net
68.99.73.117	A	anticipationbabyview.com
68.99.73.117	A	anticipationbabyviews.com
68.99.73.123	A+PTR	wsip-68-99-73-123.tu.ok.cox.net
68.99.73.127	A+PTR	wsip-68-99-73-127.tu.ok.cox.net
68.99.73.128	A+PTR	wsip-68-99-73-128.tu.ok.cox.net
68.99.73.130	A+PTR	wsip-68-99-73-130.tu.ok.cox.net
68.99.73.131	PTR	wsip-68-99-73-131.tu.ok.cox.net
68.99.73.135	A+PTR	wsip-68-99-73-135.tu.ok.cox.net
68.99.73.136	PTR	wsip-68-99-73-136.tu.ok.cox.net
68.99.73.139	A+PTR	wsip-68-99-73-139.tu.ok.cox.net
68.99.73.140	A+PTR	mail.telegensolutions.com
68.99.73.147	A+PTR	wsip-68-99-73-147.tu.ok.cox.net
68.99.73.153	PTR	www.kivell.com
68.99.73.154	A+PTR	wsip-68-99-73-154.tu.ok.cox.net
68.99.73.163	A+PTR	wsip-68-99-73-163.tu.ok.cox.net
68.99.73.165	A+PTR	wsip-68-99-73-165.tu.ok.cox.net
68.99.73.170	A+PTR	wsip-68-99-73-170.tu.ok.cox.net
68.99.73.175	A+PTR	wsip-68-99-73-175.tu.ok.cox.net
68.99.73.182	A	gfservices.net
68.99.73.189	A+PTR	wsip-68-99-73-189.tu.ok.cox.net
68.99.73.190	A	landstarpro.com
68.99.73.196	A+PTR	wsip-68-99-73-196.tu.ok.cox.net
68.99.73.198	A+PTR	wsip-68-99-73-198.tu.ok.cox.net
68.99.73.204	A+PTR	wsip-68-99-73-204.tu.ok.cox.net
68.99.73.205	A+PTR	wsip-68-99-73-205.tu.ok.cox.net
68.99.73.206	PTR	remote.hmintl.com
68.99.73.206	A	mail.hmintl.com
68.99.73.207	A+PTR	wsip-68-99-73-207.tu.ok.cox.net
68.99.73.210	A+PTR	wsip-68-99-73-210.tu.ok.cox.net
68.99.73.214	A+PTR	wsip-68-99-73-214.tu.ok.cox.net
68.99.73.220	A	fremechanical.com
68.99.73.229	PTR	pamdist.com
68.99.73.229	A	rswalkerco.com
68.99.73.229	A	mail.pamdist.com
68.99.73.236	A+PTR	wsip-68-99-73-236.tu.ok.cox.net
68.99.73.238	A+PTR	wsip-68-99-73-238.tu.ok.cox.net
68.99.73.241	A	graphicresourcesdfs.com
68.99.73.242	A+PTR	wsip-68-99-73-242.tu.ok.cox.net
68.99.73.242	A	webmail.jpconst.net
68.99.73.243	PTR	wsip-68-99-73-243.tu.ok.cox.net
68.99.73.243	A	mail.nickelco.com
68.99.73.249	A+PTR	wsip-68-99-73-249.tu.ok.cox.net
68.99.73.252	A+PTR	wsip-68-99-73-252.tu.ok.cox.net
68.99.73.254	A+PTR	wsip-68-99-73-254.tu.ok.cox.net
68.99.74.6	PTR	wsip-68-99-74-6.tu.ok.cox.net
68.99.74.6	A	macserver.eslickdesign.com
68.99.74.9	A	mail.baby-tiffany.com
68.99.74.23	A	drugcourt.tulsadrugcourt.com
68.99.74.35	A	remote.mohawkdrilling.com
68.99.74.36	A	mail.aandmengineering.com
68.99.74.58	A+PTR	wsip-68-99-74-58.tu.ok.cox.net
68.99.74.67	A	mail.flowmeasurementcompany.com
68.99.74.67	A	flowmeasurementcompany.com
68.99.74.86	PTR	mail.dioceseoftulsa.org
68.99.74.95	PTR	wsip-68-99-74-95.tu.ok.cox.net
68.99.74.95	A	remote.creasoncpas.net
68.99.74.102	A+PTR	wsip-68-99-74-102.tu.ok.cox.net
68.99.74.102	A	mail.homesofelegance.com
68.99.74.103	PTR	remote.jackarnold.com
68.99.74.103	A	mail.homesofelegance.com
68.99.74.103	A	mail.jackarnold.com
68.99.74.115	A+PTR	mail.xcorpfinancial.com
68.99.74.116	A+PTR	mail.centurionresources.us
68.99.74.126	PTR	wsip-68-99-74-126.tu.ok.cox.net
68.99.74.126	A	mail.zeroloss.net
68.99.74.126	A	remote.murraywamble.com
68.99.74.130	PTR	thepinc.com
68.99.74.137	A	mail.blueskysupply.net
68.99.74.189	PTR	m1.wjs-company.com
68.99.74.194	A	harrellenergy.com
68.99.74.202	A	remote.drtedmarshall.com
68.99.74.202	A	remote.marshallfamilydentists.com
68.99.74.221	PTR	mail.readthemovie.com
68.99.74.228	A	zephyrus.co
68.99.74.244	A	telstartulsa.com
68.99.75.67	A+PTR	wsip-68-99-75-67.tu.ok.cox.net
68.99.75.92	A+PTR	webmail.ioullc.com
68.99.75.101	A+PTR	tulsahousing.org
68.99.75.102	PTR	tulsahousing.org
68.99.75.104	PTR	tulsahousing.org
68.99.75.105	PTR	tulsahousing.org
68.99.75.106	PTR	tulsahousing.org
68.99.75.110	PTR	hydrantrepairparts.com
68.99.75.143	PTR	remote.thefieldsgroup.org
68.99.75.143	A	mail.thefieldsgroup.org
68.99.75.143	A	mail.tfgcpas.com
68.99.75.164	A	mail.tulsatriallawyer.com
68.99.75.214	A	wsip-68-99-75-214.tu.ok.cox.net