Robtex

Up: 68.234.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 68.234.32.0/20
Down right: 68.234.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.234.32.0	PTR	0-32-234-68.static.stingcomm.net
68.234.32.34	A	mail.nasonhospital.com
68.234.32.34	A	mail.nasonhospital.org
68.234.32.106	A	mail.hsclarion.net
68.234.32.106	A	mail.clarionhospital.org
68.234.32.129	A	portal.clearfieldhospital.org
68.234.32.134	A	clearfieldpacs.org
68.234.32.161	PTR	161-32-234-68.static.stingcomm.net
68.234.32.162	A	mail2.laurelhs.org
68.234.32.235	A	mail.windbercare.org
68.234.32.235	A	windbercare.org
68.234.33.33	A+PTR	mail.fcmcpa.org
68.234.33.129	PTR	alfa.jsh.org
68.234.33.129	A	smtp-in.jsh.org
68.234.33.129	A	vpn.jsh.org
68.234.33.130	A	owa.jsh.org
68.234.33.132	A	pacs.jsh.org
68.234.33.161	PTR	161-33-234-68.static.stingcomm.net
68.234.33.162	A	thmail.tyronehospital.org
68.234.34.2	PTR	2-34-234-68.static.stingcomm.net
68.234.34.16	A	mail.brmc.com
68.234.34.34	PTR	34-34-234-68.static.stingcomm.net
68.234.34.130	PTR	130-34-234-68.static.affiniti.com
68.234.34.195	PTR	195-34-234-68.static.affiniti.com
68.234.34.225	PTR	225-34-234-68.static.stingcomm.net
68.234.35.5	A+PTR	mail.charlescolehospital.com
68.234.35.5	A	mail.colememorial.org
68.234.35.6	PTR	mail.charlescolehospital.com
68.234.36.23	A	mail.communitynurses.org
68.234.36.23	A	mail.elkregional.org
68.234.37.19	A	ftp.qedinfo.com
68.234.38.0	PTR	0-38-234-68.static.affiniti.com
68.234.38.5	PTR	5-38-234-68.static.stingcomm.net
68.234.38.5	A	mail.indianarmc.org
68.234.38.5	A	smtp.indianarmc.org
68.234.38.6	A	repository.indianarmc.org
68.234.38.14	A	portal.indianarmc.org
68.234.39.2	PTR	2-39-234-68.static.acmh.org
68.234.39.21	A	smtp.acmh.org
68.234.39.21	A	filter1.acmh.org
68.234.43.36	A+PTR	atlas.profitpointinc.com
68.234.43.38	A+PTR	www.reward4loyalty.com
68.234.43.38	A	reward4loyalty.com
68.234.43.116	PTR	116-43-234-68.static.stingcomm.net
68.234.43.122	PTR	122-43-234-68.static.stingcomm.net
68.234.43.145	A	ftp.transcendunited.com
68.234.43.147	A	davidmoldoff.com
68.234.43.147	A	changingcolleges.org
68.234.43.147	A	changingmajor.net
68.234.43.165	PTR	165-43-234-68.static.stingcomm.net
68.234.43.183	A	mail.transcendunited.com
68.234.43.189	A	transcendinc.net
68.234.43.189	A	transcendunited.net
68.234.43.189	A	transcendunited.mobi
68.234.43.212	PTR	212-43-234-68.static.stingcomm.net
68.234.44.5	PTR	5-44-234-68.static.stingcomm.net
68.234.44.9	PTR	9-44-234-68.static.affiniti.com
68.234.44.33	PTR	33-44-234-68.static.affiniti.com
68.234.44.35	PTR	35-44-234-68.static.stingcomm.net
68.234.45.10	A+PTR	mail.firstseniorfinancialgroup.com
68.234.45.40	PTR	40-45-234-68.static.stingcomm.net
68.234.45.45	PTR	45-45-234-68.static.stingcomm.net
68.234.45.82	A	mail.philaseniorcenter.org
68.234.45.82	A	mail.newcourtland.org
68.234.45.83	PTR	cuda.newcourtland.org
68.234.45.83	A	cuda.courtlandeducation.com
68.234.45.83	A	cuda.germantownhome.org
68.234.45.100	A	mail.inc-inc.net
68.234.45.164	A	mail1.clarkinc.biz
68.234.45.171	A	xyz-group.com
68.234.45.171	A	clarkturnkeysolutions.com
68.234.45.174	A	clarkinet.com
68.234.47.20	A+PTR	host-68-234-47-20.static.sprious.com
68.234.51.1	PTR	1-51-234-68.static.stingcomm.net
68.234.51.13	A	exchange.pcam.org
68.234.52.2	A	outbound.ccsd.k12.pa.us
68.234.52.4	A	www.ccsd.k12.pa.us
68.234.52.4	A	www.cchs.k12.pa.us
68.234.52.4	A	ccsd.k12.pa.us
68.234.53.13	PTR	eagle.tyrone.k12.pa.us
68.234.53.25	A	dns1.tyrone.k12.pa.us
68.234.54.3	A+PTR	mailrelay3.aasdcat.com
68.234.54.11	A+PTR	mailrelay2.aasdcat.com
68.234.54.30	A	act48admin.aasdcat.com
68.234.54.32	A	altoonasd.com
68.234.54.32	A	www.altoonasd.com
68.234.54.32	A	mail.altoonasd.com
68.234.54.39	A	jgap.aasdcat.com
68.234.54.40	PTR	mail.altoonasd.com
68.234.54.88	A	owa.aasdcat.com
68.234.56.6	A+PTR	ns.csonline.net
68.234.56.7	PTR	ns2.csonline.net
68.234.56.8	PTR	www.clarion-net.com
68.234.56.8	PTR	www.cosmosbbs.com
68.234.56.8	PTR	www.galacticis.com
68.234.56.9	PTR	users.csonline.net
68.234.56.9	PTR	web.csonline.net
68.234.56.20	A	mxg1.csonline.net
68.234.56.45	A	webmail.wcinfo.com
68.234.56.61	A+PTR	phoenix.csonline.net
68.234.57.5	A	ns1.valuekinghosting.com
68.234.57.5	A	mail.changingtimestelephone.com
68.234.57.5	A	mail.valuekinghosting.com
68.234.57.6	A	ns2.valuekinghosting.com
68.234.57.50	A+PTR	www.radioadv.com
68.234.57.51	A	www.cshowcase.com
68.234.57.130	A+PTR	smtp.csonline.net
68.234.57.135	A+PTR	cosmosbbs.com
68.234.57.135	PTR	csonline.net
68.234.57.135	A+PTR	mail.cosmosbbs.com
68.234.57.163	A+PTR	galacticis.com
68.234.57.163	A+PTR	surf.galacticis.com
68.234.57.164	A	mail.gremlan.org
68.234.57.165	A	harringtonmachine.com
68.234.57.203	A	vogues.com