Robtex

Up: 216.66.72.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.66.74.0/24
Down right: 216.66.75.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.66.74.1	A+PTR	v109.core1.stl1.he.net
216.66.74.2	PTR	telx.gigabitethernet3-11.core1.chi1.he.net
216.66.74.5	PTR	v602.core1.chi1.he.net
216.66.74.9	PTR	10gigabitethernet4-3.core1.den1.he.net
216.66.74.13	PTR	gige-g2-8.core1.chi1.he.net
216.66.74.14	PTR	702-communications.gigabitethernet2-8.core1.chi1.he.net
216.66.74.17	PTR	v2001.core1.mci3.he.net
216.66.74.18	PTR	swko-inc.gigabitethernet4-1.core1.mci3.he.net
216.66.74.21	PTR	gige-g2-19.core1.dal1.he.net
216.66.74.22	PTR	central-link.gigabitethernet2-19.core1.dal1.he.net
216.66.74.25	PTR	v702.core1.dal1.he.net
216.66.74.26	PTR	learn.gigabitethernet2-18.core1.dal1.he.net
216.66.74.29	PTR	gigabitethernet2-2.core1.den1.he.net
216.66.74.30	PTR	zayo-enterprise-networks.gigabitethernet2-2.core1.den1.he.net
216.66.74.37	PTR	10gigabitethernet5-4.core1.mci3.he.net
216.66.74.41	A+PTR	10ge3-4.core1.dal1.he.net
216.66.74.45	PTR	gigabitethernet1-1-7.switch5.chi1.he.net
216.66.74.45	A	v118.core1.chi1.he.net
216.66.74.46	PTR	big-wells-technology.gigabitethernet3-15.core1.chi1.he.net
216.66.74.49	PTR	v502.core1.dal1.he.net
216.66.74.66	A	www.centrallink.com
216.66.74.66	A	centrallink.net
216.66.74.66	A	centrallink.com
216.66.74.94	A+PTR	mailserver.night.net
216.66.74.94	A	secure.night.net
216.66.74.98	A	ns.87061.20170101.deleted.gkg.net
216.66.74.98	A	searshealthandwellness.com
216.66.74.98	A	ns1.night.net
216.66.74.108	A	drewdickenson.com
216.66.74.115	A	mangoglassworks.com
216.66.74.115	A	cosrocs.org
216.66.74.137	PTR	olt.com
216.66.74.137	A	olt.co
216.66.74.137	A	oltpro1.com
216.66.74.209	PTR	gige-g2-13.core1.chi1.he.net
216.66.74.210	PTR	towerstream-corporation.gigabitethernet2-13.core1.chi1.he.net
216.66.74.213	PTR	v429.core2.chi1.he.net
216.66.74.226	PTR	stellar-association-llc.10gigabitethernet2-1.core1.msp1.he.net
216.66.74.237	PTR	gige-g2-4.core1.chi1.he.net
216.66.74.238	PTR	city-of-auburn.gigabitethernet2-4.core1.chi1.he.net
216.66.74.241	PTR	gige-g11-3.core1.chi1.he.net
216.66.74.246	PTR	kc-web-inc.gigabitethernet3-10.core1.mci2.he.net
216.66.75.2	A	mail.tri-north.org
216.66.75.61	A	mail.martinlutherhs.org
216.66.75.61	A	mail.lakecountryhs.org
216.66.75.61	A	mail.lhsagm.org
216.66.75.67	A	hybridcaptel.com
216.66.75.67	A	capteltest.us
216.66.75.70	A	hybridcaptel.com
216.66.75.70	A	www.hybridcaptel.com
216.66.75.129	A	pns.net