Robtex

Up: 69.54.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 69.54.72.0/22
Down right: 69.54.76.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
69.54.72.75	A	mail.gazellevc.com
69.54.72.85	PTR	mail.lantech.biz.isphone.net
69.54.72.89	PTR	www.designplaninc.com
69.54.72.90	PTR	mail.designplaninc.com
69.54.72.166	A+PTR	qmail.qualitysteeltreating.com
69.54.72.166	A	mxmail.qualitysteeltreating.com
69.54.72.217	PTR	ns2.appiaservices.com
69.54.72.232	A+PTR	boindy.appiaservices.com
69.54.73.13	A	atra.appiaservices.com
69.54.73.24	A	lasharedvm.appiaservices.com
69.54.73.24	A	lasharedvm.appiacomm.com
69.54.73.55	PTR	mail.7lits.com
69.54.74.89	A	mail.laclede.com
69.54.75.27	A	appiasmtp.appiaservices.com
69.54.75.28	A+PTR	ns3.appiaservices.com
69.54.75.76	A+PTR	webmail.appiaservices.com
69.54.75.76	A	mail.appiaservices.com
69.54.75.76	A	auth.appiaservices.com
69.54.76.4	A	avc.appiaservices.com
69.54.76.5	A	*.softwareupdate.co
69.54.76.12	A	nysynapps.appiaservices.com
69.54.76.42	A	meeting.appiaservices.com
69.54.76.42	A	webmeeting.appiaservices.com
69.54.76.52	PTR	custsmtp.appiaservices.com
69.54.76.52	A	bitzerrelay.bitzerus.com
69.54.76.82	A	smtp2.connietarrant.com
69.54.77.8	A+PTR	ns.appiaservices.com
69.54.77.9	A	stlnoc.appiaservices.com
69.54.78.130	A	mail.libadvisory.com
69.54.78.130	A	libadvisory.com
69.54.78.198	PTR	mail.npcmllc.com
69.54.79.1	PTR	spam2.gskentuckiana.org
69.54.79.1	A	spam2.kyanags.org
69.54.79.150	PTR	email.sosi2.com
69.54.79.227	A	mail.graymachinery.com
69.54.79.232	A	www.graymachinery.com
69.54.79.232	A	grayweb.graymachinery.com