Robtex

Up: 68.224.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 68.224.172.0/23
Down right: 68.224.174.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.224.172.18	A+PTR	wsip-68-224-172-18.sd.sd.cox.net
68.224.172.18	A	mail.gwjslaw.com
68.224.172.53	A	mail.fandvt.com
68.224.172.115	A	mail.celestecpa.com
68.224.172.120	A+PTR	wsip-68-224-172-120.sd.sd.cox.net
68.224.172.130	A	*.hcagroup.net
68.224.172.130	A	hcagroup.net
68.224.172.130	A	mail.hcagroup.net
68.224.172.178	A+PTR	wsip-68-224-172-178.sd.sd.cox.net
68.224.172.196	A	remote.mercyvascular.com
68.224.172.196	A	mercyvascular.com
68.224.173.18	PTR	wsip-68-224-173-18.sd.sd.cox.net
68.224.173.18	A	umamiseafood.com
68.224.173.18	A	bajaaquafarms.com
68.224.173.61	A	mail.voiceofsandiego.org
68.224.173.66	PTR	foodwork.com
68.224.173.70	A+PTR	wsip-68-224-173-70.sd.sd.cox.net
68.224.173.84	PTR	mindgruve.com
68.224.173.99	A+PTR	wsip-68-224-173-99.sd.sd.cox.net
68.224.173.106	A+PTR	wsip-68-224-173-106.sd.sd.cox.net
68.224.173.131	A	ptemail.pteus.com
68.224.173.226	A	autodiscover.resourcetitleservices.com
68.224.173.254	A+PTR	wsip-68-224-173-254.sd.sd.cox.net
68.224.174.12	PTR	mail.cavignac.com
68.224.174.12	A	cavignac.com.1.arsmtp.com
68.224.174.18	PTR	mail.mainlymozart.org
68.224.174.23	A+PTR	wsip-68-224-174-23.sd.sd.cox.net
68.224.174.23	A	mail.narvenenterprises.com
68.224.174.73	A+PTR	wsip-68-224-174-73.sd.sd.cox.net
68.224.174.117	A	mail.usipothole.com
68.224.174.119	A+PTR	mail.brhgarverwest.com
68.224.174.151	A	mail.cabinet-tronix.com
68.224.174.183	A	rice.t1x.me
68.224.174.183	A	haveacupof.coffee
68.224.174.183	A	slashvar.net
68.224.174.185	A	mail.manuelsandoval.com
68.224.174.185	A	feist.t1x.me
68.224.174.234	A+PTR	wsip-68-224-174-234.sd.sd.cox.net
68.224.175.7	A+PTR	wsip-68-224-175-7.sd.sd.cox.net
68.224.175.8	A	halfcourt.com
68.224.175.19	A+PTR	wsip-68-224-175-19.sd.sd.cox.net
68.224.175.42	PTR	exchange1.thelawcorp.com
68.224.175.43	A	exchange.thelawcorp.com
68.224.175.53	A	mail.csfplaw.com
68.224.175.110	A+PTR	wsip-68-224-175-110.sd.sd.cox.net
68.224.175.131	A	mail.shawfs.com
68.224.175.131	A	mail.richardeshaw.com
68.224.175.136	A	mail.rsfexecutivesuites.com
68.224.175.170	PTR	wsip-68-224-175-170.sd.sd.cox.net
68.224.175.170	A	thelandingelcajon.com
68.224.175.170	A	fort-associates.com
68.224.175.173	A+PTR	wsip-68-224-175-173.sd.sd.cox.net
68.224.175.173	A	noncan.com
68.224.175.176	A	instantdisabilityquote.com
68.224.175.176	A	instantdisabilityinsurancequote.com
68.224.175.177	A+PTR	wsip-68-224-175-177.sd.sd.cox.net
68.224.175.247	A	mail.graphicsolutionsltd.com
68.224.175.249	A	mail.aaeretreat.com
68.224.175.249	A	mail.sdhcs.com
68.224.175.249	A	mail.crosbycenter.com