Robtex

Up: 74.122.16.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 74.122.16.0/24
Down right: 74.122.17.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.122.16.2	A	billing.blueridgeemc.com
74.122.16.10	A	eioboard.blueridgeemc.com
74.122.16.17	A+PTR	mail.fourcty.org
74.122.16.49	A+PTR	halifaxemc.com
74.122.16.67	A	onlinebilling.roanokeelectric.com
74.122.16.73	PTR	rfq3.rfqhosting.com
74.122.16.73	A	database.rfqhosting.com
74.122.16.73	A	whoswhosystem.com
74.122.16.75	PTR	em-16-75.arin.ncemc.com
74.122.16.75	A	ns1.roanokeelectric.com
74.122.16.84	A+PTR	em-16-84.arin.ncemc.com
74.122.16.101	A+PTR	em-16-101.arin.ncemc.com
74.122.16.113	A+PTR	mail.remc.com
74.122.16.113	A	exchange1.remc.com
74.122.16.150	A	em-16-150.arin.ncemc.com
74.122.16.161	PTR	em-16-161.arin.ncemc.com
74.122.16.161	A	ns2.roanokeelectric.com
74.122.16.184	A+PTR	em-16-184.arin.ncemc.com
74.122.16.230	A+PTR	em-16-230.arin.ncemc.com
74.122.16.237	A+PTR	vpn.blueridgeemc.com
74.122.17.4	A	outageviewer.pemc.org
74.122.17.17	PTR	mailsrv.randolphemc.com
74.122.17.17	A	autodiscover.mail.randolphemc.com
74.122.17.18	A+PTR	outages.randolphemc.com
74.122.17.19	A+PTR	em-17-19.arin.ncemc.com
74.122.17.21	A+PTR	em-17-21.arin.ncemc.com
74.122.17.27	A+PTR	em-17-27.arin.ncemc.com
74.122.17.27	A	ops.randolphemc.com
74.122.17.28	A+PTR	webmail.randolphemc.com
74.122.17.28	A+PTR	mail.randolphemc.com
74.122.17.28	A+PTR	autodiscover.randolphemc.com
74.122.17.34	A	secure.capehatteras-ec.com
74.122.17.37	A	ag.capehatteras-ec.com
74.122.17.41	PTR	directors.chec.coop
74.122.17.41	A	outages.chec.coop
74.122.17.55	A	em-17-55.arin.ncemc.com
74.122.17.82	A+PTR	billing.central.ncemcs.com
74.122.17.99	A+PTR	ebill.ememc.com
74.122.17.113	A	mail.wemc.com
74.122.17.252	A+PTR	em-17-252.arin.ncemc.com