Robtex

Up: 67.227.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 67.227.24.0/22
Down right: 67.227.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.227.24.0	PTR	67-227-24-0.rdns.colocationamerica.com
67.227.24.14	A	ns1.nrb-seedbox.com
67.227.24.14	A	ns2.nrb-apps.com
67.227.24.14	A	ns1.nrb-apps.com
67.227.24.22	PTR	67.227.24.22.rdns.colocationamerica.com
67.227.24.50	A	marketmag.net
67.227.24.51	A	sourceinitial.com
67.227.24.56	PTR	67.227.24.56.rdns.colocationamerica.com
67.227.24.119	PTR	67.227.24.119.rdns.colocationamerica.com
67.227.24.119	A	labopm.com
67.227.25.0	PTR	67.227.25.0.rdns.colocationamerica.com
67.227.25.2	PTR	67.227.25.2.rdns.colocationamerica.com
67.227.25.80	PTR	67.227.25.80.rdns.colocationamerica.com
67.227.25.91	PTR	67.227.25.91.rdns.colocationamerica.com
67.227.25.115	A	ns1.curveage.net
67.227.25.128	PTR	67.227.25.128.rdns.colocationamerica.com
67.227.25.131	PTR	67.227.25.131.rdns.colocationamerica.com
67.227.25.147	A	imgserver3.web.nrb-apps.com
67.227.25.149	A	ns2.nrb-apps.com
67.227.25.149	A	ns2.nrb-seedbox.com
67.227.25.168	PTR	67.227.25.168.rdns.colocationamerica.com
67.227.25.185	PTR	67.227.25.185.rdns.colocationamerica.com
67.227.25.242	PTR	67.227.25.242.rdns.colocationamerica.com
67.227.26.11	PTR	67-227-26-11.rdns.colocationamerica.com
67.227.26.11	A	gmpanel.net
67.227.26.42	PTR	67-227-26-42.rdns.colocationamerica.com
67.227.26.69	A	concretevalues.host
67.227.26.69	A	littleambitious.com
67.227.26.69	A	classicallanguage.net
67.227.26.98	PTR	67.227.26.98.rdns.colocationamerica.com
67.227.26.98	A	alcohol.musicalversion.com
67.227.26.98	A	hafizzul.tacticsandstrategy.net
67.227.26.171	PTR	67.227.26.171.rdns.colocationamerica.com
67.227.26.217	PTR	67.227.26.217.rdns.colocationamerica.com
67.227.27.8	PTR	67.227.27.8.rdns.colocationamerica.com
67.227.28.1	A	mail.toolboxlocal.com
67.227.28.1	A	mail.datapartnerplus.com
67.227.28.1	A	mail.behaviormonitoring.com
67.227.28.4	PTR	mail.eastwestinterlink.com
67.227.28.8	A	mail.publicpolicyprimer.com
67.227.28.8	A	mail.safeguardsysconsulting.com
67.227.28.8	A	mail.speakingnet.net
67.227.28.16	A	mail.provedmedia.net
67.227.28.65	A	mail.appearlier.net
67.227.28.65	A	mail.pmdigitaltest16.com
67.227.28.65	A	capitalstartupanalytics.com
67.227.28.72	A	mail.alpinesoftwareprovider.com
67.227.28.72	A	mail.linuxstudios.com
67.227.28.72	A	mail.newvistatelecom.com
67.227.28.130	A	mail.baselinetechs.com
67.227.28.130	A	mail.techtradergroup.com
67.227.28.130	A	mail.coveragewireless.com
67.227.28.136	A	mail.design-voucher.com
67.227.28.136	A	hip-gaming.com
67.227.28.136	A	mail.zerosetupfees.com
67.227.28.193	A	mail.elitecomputerscans.com
67.227.28.193	A	mail.sunnyskiesmarketing.com
67.227.28.193	A	mail.superwebapplications.com
67.227.28.195	PTR	67.227.28.195.rdns.colocationamerica.com
67.227.28.200	A	mail.focuswizard.com
67.227.28.200	A	mail.rvstreetparking.com
67.227.28.200	A	mail.premiumcloudservice.com
67.227.29.34	PTR	67-227-29-34.rdns.colocationamerica.com
67.227.29.34	A	creening.com