Robtex

Up: 216.36.28.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.36.30.0/24
Down right: 216.36.31.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.36.30.4	A+PTR	static-216-36-30-4.cpe.metrocast.net
216.36.30.5	A+PTR	static-216-36-30-5.cpe.metrocast.net
216.36.30.14	A+PTR	static-216-36-30-14.cpe.metrocast.net
216.36.30.15	A+PTR	static-216-36-30-15.cpe.metrocast.net
216.36.30.19	A+PTR	static-216-36-30-19.cpe.metrocast.net
216.36.30.27	A+PTR	static-216-36-30-27.cpe.metrocast.net
216.36.30.28	A+PTR	static-216-36-30-28.cpe.metrocast.net
216.36.30.30	A+PTR	static-216-36-30-30.cpe.metrocast.net
216.36.30.31	A+PTR	static-216-36-30-31.cpe.metrocast.net
216.36.30.35	A+PTR	static-216-36-30-35.cpe.metrocast.net
216.36.30.39	A+PTR	static-216-36-30-39.cpe.metrocast.net
216.36.30.44	A+PTR	static-216-36-30-44.cpe.metrocast.net
216.36.30.45	A+PTR	static-216-36-30-45.cpe.metrocast.net
216.36.30.47	A+PTR	static-216-36-30-47.cpe.metrocast.net
216.36.30.61	A+PTR	static-216-36-30-61.cpe.metrocast.net
216.36.30.72	A+PTR	static-216-36-30-72.cpe.metrocast.net
216.36.30.74	A+PTR	static-216-36-30-74.cpe.metrocast.net
216.36.30.76	A+PTR	static-216-36-30-76.cpe.metrocast.net
216.36.30.78	A+PTR	static-216-36-30-78.cpe.metrocast.net
216.36.30.80	A+PTR	static-216-36-30-80.cpe.metrocast.net
216.36.30.81	A+PTR	static-216-36-30-81.cpe.metrocast.net
216.36.30.86	A+PTR	static-216-36-30-86.cpe.metrocast.net
216.36.30.94	A+PTR	static-216-36-30-94.cpe.metrocast.net
216.36.30.95	A+PTR	static-216-36-30-95.cpe.metrocast.net
216.36.30.96	A+PTR	static-216-36-30-96.cpe.metrocast.net
216.36.30.97	A+PTR	static-216-36-30-97.cpe.metrocast.net
216.36.30.101	A+PTR	static-216-36-30-101.cpe.metrocast.net
216.36.30.107	A+PTR	static-216-36-30-107.cpe.metrocast.net
216.36.30.109	A+PTR	static-216-36-30-109.cpe.metrocast.net
216.36.30.125	A+PTR	static-216-36-30-125.cpe.metrocast.net
216.36.30.133	PTR	ge-14-0-cmts2.leonardtown.md.metrocast.net
216.36.30.136	A+PTR	static-216-36-30-136.cpe.metrocast.net
216.36.30.138	A+PTR	static-216-36-30-138.cpe.metrocast.net
216.36.30.141	PTR	ge-15-0-cmts2.leonardtown.md.metrocast.net
216.36.30.153	A+PTR	static-216-36-30-153.cpe.metrocast.net
216.36.30.161	A+PTR	static-216-36-30-161.cpe.metrocast.net
216.36.30.168	PTR	tracker.jcmis.net
216.36.30.169	PTR	host-30-169.intergraphgovsolutions.com
216.36.30.173	PTR	host-30-173.intergraphgovsolutions.com
216.36.30.174	PTR	nat-pool-30-1.intergraphgovsolutions.com
216.36.30.184	A+PTR	static-216-36-30-184.cpe.metrocast.net
216.36.30.188	A+PTR	static-216-36-30-188.cpe.metrocast.net
216.36.30.199	A+PTR	static-216-36-30-199.cpe.metrocast.net
216.36.30.207	A+PTR	static-216-36-30-207.cpe.metrocast.net
216.36.30.211	A+PTR	static-216-36-30-211.cpe.metrocast.net
216.36.30.212	A+PTR	static-216-36-30-212.cpe.metrocast.net
216.36.30.222	A+PTR	static-216-36-30-222.cpe.metrocast.net
216.36.30.228	A+PTR	static-216-36-30-228.cpe.metrocast.net
216.36.30.231	A+PTR	static-216-36-30-231.cpe.metrocast.net
216.36.30.232	A+PTR	static-216-36-30-232.cpe.metrocast.net
216.36.30.234	A+PTR	static-216-36-30-234.cpe.metrocast.net
216.36.30.236	A+PTR	static-216-36-30-236.cpe.metrocast.net
216.36.30.240	A+PTR	static-216-36-30-240.cpe.metrocast.net
216.36.31.0	A	static-216-36-31-0.cpe.metrocast.net
216.36.31.2	A	static-216-36-31-2.cpe.metrocast.net
216.36.31.7	PTR	static-216-36-31-7.cpe.metrocast.net
216.36.31.54	A	mail.burchoil.com
216.36.31.67	A	static-216-36-31-67.cpe.metrocast.net
216.36.31.68	A+PTR	barracuda1.smartronix.com
216.36.31.68	A	barracuda1.smartronics.com
216.36.31.69	A	qaintra.smartronix.com
216.36.31.70	PTR	static-216-36-31-70.md.cpe.atlanticbb.net
216.36.31.70	A	smxchqfw01.smartronix.com
216.36.31.70	A	static-216-36-31-70.cpe.metrocast.net
216.36.31.71	A	mail.etronit.com
216.36.31.73	A	im.smartronix.com
216.36.31.73	A	team.smartronix.com
216.36.31.76	A+PTR	barracuda.smartronix.com
216.36.31.76	A	barracuda.smartronics.com
216.36.31.78	A	vpc.smartronix.com
216.36.31.79	A	fwbportal.smartronix.com
216.36.31.80	PTR	static-216-36-31-80.md.cpe.atlanticbb.net
216.36.31.80	A	te.smartronix.com
216.36.31.80	A	ruadvertising.net
216.36.31.81	PTR	static-216-36-31-81.cpe.metrocast.net
216.36.31.81	A	intra.smartronix.com
216.36.31.82	PTR	static-216-36-31-82.cpe.metrocast.net
216.36.31.83	A	smartronixstore.com
216.36.31.84	PTR	static-216-36-31-84.cpe.metrocast.net
216.36.31.84	A	smartronics.com
216.36.31.84	A	smctechcorridor.com
216.36.31.85	PTR	static-216-36-31-85.cpe.metrocast.net
216.36.31.87	A+PTR	static-216-36-31-87.cpe.metrocast.net
216.36.31.88	A+PTR	static-216-36-31-88.cpe.metrocast.net
216.36.31.88	A	smxchqns01.smartronix.com
216.36.31.89	A+PTR	static-216-36-31-89.cpe.metrocast.net
216.36.31.89	A	smxchqns02.smartronix.com
216.36.31.90	A	web.smartronix.com
216.36.31.91	PTR	static-216-36-31-91.cpe.metrocast.net
216.36.31.91	A	ssp.portal.smartronix.com
216.36.31.92	A+PTR	static-216-36-31-92.cpe.metrocast.net
216.36.31.93	A	static-216-36-31-93.cpe.metrocast.net
216.36.31.93	A	dev2.smartronix.com
216.36.31.95	A+PTR	static-216-36-31-95.cpe.metrocast.net
216.36.31.95	A	sbroundtable.com
216.36.31.102	A	products.smartronix.com
216.36.31.111	PTR	static-216-36-31-111.cpe.metrocast.net
216.36.31.131	A	static-216-36-31-131.cpe.metrocast.net
216.36.31.131	A	suretrak21.com
216.36.31.131	A	suretrak21.net
216.36.31.165	A	rmaf-aog.com
216.36.31.166	A	denmarkmh-60.com
216.36.31.178	PTR	static-216-36-31-178.cpe.metrocast.net
216.36.31.178	A	ns1.smartnavsolutions.com
216.36.31.179	A	smartnavdev.com
216.36.31.180	A	f-18flo.com
216.36.31.180	A	cf18hornet.com
216.36.31.182	PTR	static-216-36-31-182.cpe.metrocast.net
216.36.31.182	A	ef-18.com
216.36.31.183	PTR	static-216-36-31-183.cpe.metrocast.net
216.36.31.183	A	malaysiaf18.com
216.36.31.184	A	pakistanh1.com
216.36.31.186	A	ranmh-60.com
216.36.31.194	A+PTR	mail.ausley.biz
216.36.31.194	A	dorothy.ausley.biz
216.36.31.194	A	email.ausley.biz
216.36.31.246	A	static-216-36-31-246.cpe.metrocast.net