Robtex

Up: 68.99.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 68.99.76.0/23
Down right: 68.99.78.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.99.76.43	A	mail.alleyroofingsupply.com
68.99.76.132	A	frontierits.com
68.99.76.132	A	frontiermts.com
68.99.76.132	A	ybyourbest.com
68.99.76.135	PTR	wsip-68-99-76-135.tu.ok.cox.net
68.99.76.196	A	mail.allergyclinicoftulsa.com
68.99.76.200	A	acotallergytracker.com
68.99.76.202	A	mail.mhla-law.com
68.99.76.202	A	mail.mcdaniel-lawfirm.com
68.99.76.202	A	remote.ok-counsel.com
68.99.76.207	A	wsip-68-99-76-207.tu.ok.cox.net
68.99.77.3	PTR	tulsatriallawyer.com
68.99.77.3	A	srbaker.com
68.99.77.3	A	bydesignresources.com
68.99.77.7	PTR	wsip-68-99-77-7.tu.ok.cox.net
68.99.77.7	A	pispirit.com
68.99.77.12	PTR	wsip-68-99-77-12.tu.ok.cox.net
68.99.77.12	A	iglesiasdesan-mateo.org
68.99.77.33	PTR	mail.fcf.org
68.99.77.57	A+PTR	wsip-68-99-77-57.tu.ok.cox.net
68.99.77.59	A+PTR	wsip-68-99-77-59.tu.ok.cox.net
68.99.77.61	A+PTR	wsip-68-99-77-61.tu.ok.cox.net
68.99.77.61	A	remote.myselves.com
68.99.77.63	A+PTR	wsip-68-99-77-63.tu.ok.cox.net
68.99.77.66	A+PTR	mail.ictulsa.com
68.99.77.78	A	mail2.buffaloland.com
68.99.77.84	A	mail.tjrhcc.org
68.99.77.85	A	mx.pinnaclemanagement.net
68.99.77.85	A	mail.pinnacle-mgmt.net
68.99.77.85	A	mail.pinnaclemanagement.net
68.99.77.111	PTR	mail.kjwireless.com
68.99.77.112	PTR	mail.kjwireless.com
68.99.77.113	PTR	mail.kjwireless.com
68.99.77.132	A	mail.uticaeyecare.com
68.99.77.132	A	mail.uticaeye.com
68.99.77.132	A	ns1.uticaeyecare.com
68.99.77.145	A	www.blrgroup.com
68.99.77.157	PTR	wsip-68-99-77-157.tu.ok.cox.net
68.99.77.184	A	crestwoodrealestategroup.com
68.99.77.195	A+PTR	mail.drkondos.com
68.99.77.195	A	dns.drkondos.com
68.99.77.245	A	wsip-68-99-77-245.tu.ok.cox.net
68.99.77.245	A	mail.glasswilkin.com
68.99.78.10	A	mail.osborn.org
68.99.78.22	A	raf.foresterllc.com
68.99.78.26	PTR	guyengr.com
68.99.78.26	A	mail.guyengr.com
68.99.78.37	A	mail.terrydavishomes.net
68.99.78.46	PTR	mail.sbainc.net
68.99.78.46	A	sbaweb.net
68.99.78.55	A	wsip-68-99-78-55.tu.ok.cox.net
68.99.78.56	PTR	gacc.aero
68.99.78.97	PTR	wsip-68-99-78-97.tu.ok.cox.net
68.99.78.97	A	phoneris.com
68.99.78.97	A	pardonmyfrenchtulsa.com
68.99.78.99	PTR	wsip-68-99-78-99.tu.ok.cox.net
68.99.78.99	A	jdechols.net
68.99.78.100	PTR	wsip-68-99-78-100.tu.ok.cox.net
68.99.78.100	A	forescore.net
68.99.78.100	A	defendersguild.org
68.99.78.104	A+PTR	mail.lazarusmed.com
68.99.78.104	A	ns1.lazarusmed.com
68.99.78.104	A	ttownmail.com
68.99.78.106	PTR	statesource.com
68.99.78.115	PTR	motterns.com
68.99.78.201	A+PTR	mail.urbantulsa.com
68.99.78.201	A	m2.urbantulsa.com
68.99.78.201	A	m1.urbantulsa.com
68.99.79.9	A+PTR	wsip-68-99-79-9.tu.ok.cox.net
68.99.79.15	PTR	owa.oaielectronics.com
68.99.79.23	PTR	mail.aztekamotor.com
68.99.79.25	A+PTR	wsip-68-99-79-25.tu.ok.cox.net
68.99.79.32	A+PTR	wsip-68-99-79-32.tu.ok.cox.net
68.99.79.40	PTR	mail.buffaloland.com
68.99.79.47	A+PTR	wsip-68-99-79-47.tu.ok.cox.net
68.99.79.49	A+PTR	wsip-68-99-79-49.tu.ok.cox.net
68.99.79.64	A+PTR	wsip-68-99-79-64.tu.ok.cox.net
68.99.79.65	A+PTR	wsip-68-99-79-65.tu.ok.cox.net
68.99.79.69	A+PTR	wsip-68-99-79-69.tu.ok.cox.net
68.99.79.71	A+PTR	wsip-68-99-79-71.tu.ok.cox.net
68.99.79.76	A+PTR	wsip-68-99-79-76.tu.ok.cox.net
68.99.79.80	A+PTR	wsip-68-99-79-80.tu.ok.cox.net
68.99.79.85	A+PTR	wsip-68-99-79-85.tu.ok.cox.net
68.99.79.90	A+PTR	wsip-68-99-79-90.tu.ok.cox.net
68.99.79.93	A+PTR	wsip-68-99-79-93.tu.ok.cox.net
68.99.79.96	A+PTR	wsip-68-99-79-96.tu.ok.cox.net
68.99.79.100	PTR	stygia.tulsaimaging.com
68.99.79.101	PTR	volcanus.tulsaimaging.com
68.99.79.101	A	mail.trctulsa.com
68.99.79.102	A+PTR	wsip-68-99-79-102.tu.ok.cox.net
68.99.79.103	A	mail2.trctulsa.com
68.99.79.103	A	mail.trcdisastersolutions.com
68.99.79.107	A+PTR	wsip-68-99-79-107.tu.ok.cox.net
68.99.79.110	A+PTR	wsip-68-99-79-110.tu.ok.cox.net
68.99.79.111	A+PTR	wsip-68-99-79-111.tu.ok.cox.net
68.99.79.113	A+PTR	wsip-68-99-79-113.tu.ok.cox.net
68.99.79.114	A	mail.standbypersonnel.com
68.99.79.115	A+PTR	wsip-68-99-79-115.tu.ok.cox.net
68.99.79.119	A+PTR	wsip-68-99-79-119.tu.ok.cox.net
68.99.79.123	A+PTR	wsip-68-99-79-123.tu.ok.cox.net
68.99.79.133	A+PTR	wsip-68-99-79-133.tu.ok.cox.net
68.99.79.134	A+PTR	wsip-68-99-79-134.tu.ok.cox.net
68.99.79.138	A	wsip-68-99-79-138.tu.ok.cox.net
68.99.79.139	A	wsip-68-99-79-139.tu.ok.cox.net
68.99.79.143	A+PTR	wsip-68-99-79-143.tu.ok.cox.net
68.99.79.152	A+PTR	wsip-68-99-79-152.tu.ok.cox.net
68.99.79.159	A+PTR	wsip-68-99-79-159.tu.ok.cox.net
68.99.79.164	A+PTR	wsip-68-99-79-164.tu.ok.cox.net
68.99.79.168	A+PTR	wsip-68-99-79-168.tu.ok.cox.net
68.99.79.170	A+PTR	mail.abestroofing.com
68.99.79.174	A	m1.deltatlimited.com
68.99.79.177	A	mail.bklinc.com
68.99.79.181	PTR	bladesport.net
68.99.79.181	A	tpam.net
68.99.79.181	A	smtp.tpam.net
68.99.79.182	A+PTR	wsip-68-99-79-182.tu.ok.cox.net
68.99.79.184	A+PTR	wsip-68-99-79-184.tu.ok.cox.net
68.99.79.186	A+PTR	wsip-68-99-79-186.tu.ok.cox.net
68.99.79.198	A+PTR	wsip-68-99-79-198.tu.ok.cox.net
68.99.79.199	A+PTR	wsip-68-99-79-199.tu.ok.cox.net
68.99.79.205	A+PTR	wsip-68-99-79-205.tu.ok.cox.net
68.99.79.206	A+PTR	wsip-68-99-79-206.tu.ok.cox.net
68.99.79.209	A+PTR	wsip-68-99-79-209.tu.ok.cox.net
68.99.79.229	A+PTR	wsip-68-99-79-229.tu.ok.cox.net
68.99.79.230	A+PTR	wsip-68-99-79-230.tu.ok.cox.net
68.99.79.230	A	mail.ministrywebdesigns.com
68.99.79.230	A	exchange.yonce.com
68.99.79.238	A+PTR	wsip-68-99-79-238.tu.ok.cox.net
68.99.79.241	A+PTR	wsip-68-99-79-241.tu.ok.cox.net
68.99.79.244	A+PTR	wsip-68-99-79-244.tu.ok.cox.net
68.99.79.248	A+PTR	wsip-68-99-79-248.tu.ok.cox.net
68.99.79.254	PTR	mail.tekexcell.com