Robtex

Up: 98.100.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 98.100.16.0/23
Down right: 98.100.18.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
98.100.16.27	A+PTR	rrcs-98-100-16-27.central.biz.rr.com
98.100.16.195	A	mailnovi.generalfilters.com
98.100.16.219	A	fhdetroit.info
98.100.16.242	A	leaseforeclosure.com
98.100.17.6	A+PTR	rrcs-98-100-17-6.central.biz.rr.com
98.100.17.7	A+PTR	rrcs-98-100-17-7.central.biz.rr.com
98.100.17.9	A+PTR	rrcs-98-100-17-9.central.biz.rr.com
98.100.17.17	A+PTR	rrcs-98-100-17-17.central.biz.rr.com
98.100.17.19	A+PTR	rrcs-98-100-17-19.central.biz.rr.com
98.100.17.20	A+PTR	rrcs-98-100-17-20.central.biz.rr.com
98.100.17.21	A+PTR	rrcs-98-100-17-21.central.biz.rr.com
98.100.17.27	PTR	rrcs-98-100-17-27.central.biz.rr.com
98.100.17.33	A+PTR	rrcs-98-100-17-33.central.biz.rr.com
98.100.17.34	PTR	rrcs-98-100-17-34.central.biz.rr.com
98.100.17.41	A+PTR	rrcs-98-100-17-41.central.biz.rr.com
98.100.17.44	PTR	rrcs-98-100-17-44.central.biz.rr.com
98.100.17.47	A+PTR	rrcs-98-100-17-47.central.biz.rr.com
98.100.17.49	A+PTR	rrcs-98-100-17-49.central.biz.rr.com
98.100.17.54	A+PTR	rrcs-98-100-17-54.central.biz.rr.com
98.100.17.55	A+PTR	rrcs-98-100-17-55.central.biz.rr.com
98.100.17.59	A+PTR	rrcs-98-100-17-59.central.biz.rr.com
98.100.17.60	A+PTR	rrcs-98-100-17-60.central.biz.rr.com
98.100.17.64	A+PTR	rrcs-98-100-17-64.central.biz.rr.com
98.100.17.71	A+PTR	rrcs-98-100-17-71.central.biz.rr.com
98.100.17.72	A+PTR	rrcs-98-100-17-72.central.biz.rr.com
98.100.17.74	A+PTR	rrcs-98-100-17-74.central.biz.rr.com
98.100.17.76	A+PTR	rrcs-98-100-17-76.central.biz.rr.com
98.100.17.83	A+PTR	rrcs-98-100-17-83.central.biz.rr.com
98.100.17.85	A+PTR	rrcs-98-100-17-85.central.biz.rr.com
98.100.17.88	A+PTR	rrcs-98-100-17-88.central.biz.rr.com
98.100.17.90	A+PTR	rrcs-98-100-17-90.central.biz.rr.com
98.100.17.92	A+PTR	rrcs-98-100-17-92.central.biz.rr.com
98.100.17.93	A+PTR	rrcs-98-100-17-93.central.biz.rr.com
98.100.17.96	A+PTR	rrcs-98-100-17-96.central.biz.rr.com
98.100.17.102	A+PTR	rrcs-98-100-17-102.central.biz.rr.com
98.100.17.105	A+PTR	rrcs-98-100-17-105.central.biz.rr.com
98.100.17.108	A+PTR	rrcs-98-100-17-108.central.biz.rr.com
98.100.17.109	A+PTR	rrcs-98-100-17-109.central.biz.rr.com
98.100.17.115	PTR	rrcs-98-100-17-115.central.biz.rr.com
98.100.17.115	A	mail.totalrepairsolutions.com
98.100.17.117	PTR	rrcs-98-100-17-117.central.biz.rr.com
98.100.17.119	A+PTR	rrcs-98-100-17-119.central.biz.rr.com
98.100.17.131	A+PTR	rrcs-98-100-17-131.central.biz.rr.com
98.100.17.132	A+PTR	rrcs-98-100-17-132.central.biz.rr.com
98.100.17.134	A	qualitychoice.com
98.100.17.134	A	www.qualitychoice.com
98.100.17.138	PTR	cityscape.us
98.100.17.138	A	mail.cityscape.us
98.100.17.139	A+PTR	rrcs-98-100-17-139.central.biz.rr.com
98.100.17.140	A+PTR	rrcs-98-100-17-140.central.biz.rr.com
98.100.17.142	A+PTR	rrcs-98-100-17-142.central.biz.rr.com
98.100.17.143	A+PTR	rrcs-98-100-17-143.central.biz.rr.com
98.100.17.150	A+PTR	rrcs-98-100-17-150.central.biz.rr.com
98.100.17.151	PTR	rrcs-98-100-17-151.central.biz.rr.com
98.100.17.152	PTR	rrcs-98-100-17-152.central.biz.rr.com
98.100.17.153	A+PTR	rrcs-98-100-17-153.central.biz.rr.com
98.100.17.154	A+PTR	rrcs-98-100-17-154.central.biz.rr.com
98.100.17.155	A+PTR	rrcs-98-100-17-155.central.biz.rr.com
98.100.17.162	A+PTR	rrcs-98-100-17-162.central.biz.rr.com
98.100.17.162	A	softwarefinesse.com
98.100.17.162	A	realdevelopmentandinvestments.com
98.100.17.164	A+PTR	rrcs-98-100-17-164.central.biz.rr.com
98.100.17.164	A	myonlineit.com
98.100.17.165	A	sfflexsuiteweb.com
98.100.17.166	A+PTR	rrcs-98-100-17-166.central.biz.rr.com
98.100.17.169	A+PTR	rrcs-98-100-17-169.central.biz.rr.com
98.100.17.170	A+PTR	rrcs-98-100-17-170.central.biz.rr.com
98.100.17.170	A	mail.softwarefinesse.com
98.100.17.170	A	mail.realdevelopmentandinvestments.com
98.100.17.171	PTR	rrcs-98-100-17-171.central.biz.rr.com
98.100.17.173	A+PTR	rrcs-98-100-17-173.central.biz.rr.com
98.100.17.173	A	myonlinedocuments.net
98.100.17.174	A+PTR	rrcs-98-100-17-174.central.biz.rr.com
98.100.17.174	A	micnp.org
98.100.17.183	A+PTR	rrcs-98-100-17-183.central.biz.rr.com
98.100.17.193	A+PTR	rrcs-98-100-17-193.central.biz.rr.com
98.100.17.195	A+PTR	rrcs-98-100-17-195.central.biz.rr.com
98.100.17.199	A+PTR	rrcs-98-100-17-199.central.biz.rr.com
98.100.17.200	A+PTR	rrcs-98-100-17-200.central.biz.rr.com
98.100.17.204	A+PTR	rrcs-98-100-17-204.central.biz.rr.com
98.100.17.208	A+PTR	rrcs-98-100-17-208.central.biz.rr.com
98.100.17.209	A+PTR	rrcs-98-100-17-209.central.biz.rr.com
98.100.17.219	A+PTR	rrcs-98-100-17-219.central.biz.rr.com
98.100.17.223	A+PTR	rrcs-98-100-17-223.central.biz.rr.com
98.100.17.227	A+PTR	rrcs-98-100-17-227.central.biz.rr.com
98.100.17.229	PTR	rrcs-98-100-17-229.central.biz.rr.com
98.100.17.230	A+PTR	rrcs-98-100-17-230.central.biz.rr.com
98.100.17.231	A+PTR	rrcs-98-100-17-231.central.biz.rr.com
98.100.17.232	A+PTR	rrcs-98-100-17-232.central.biz.rr.com
98.100.17.237	A+PTR	rrcs-98-100-17-237.central.biz.rr.com
98.100.17.239	A+PTR	rrcs-98-100-17-239.central.biz.rr.com
98.100.17.241	A+PTR	rrcs-98-100-17-241.central.biz.rr.com
98.100.17.242	A+PTR	rrcs-98-100-17-242.central.biz.rr.com
98.100.17.244	A+PTR	rrcs-98-100-17-244.central.biz.rr.com
98.100.17.246	A+PTR	rrcs-98-100-17-246.central.biz.rr.com
98.100.17.249	A+PTR	rrcs-98-100-17-249.central.biz.rr.com
98.100.17.250	A+PTR	rrcs-98-100-17-250.central.biz.rr.com
98.100.18.45	A	affordableapplications.com
98.100.18.45	A	affordablesupport.com
98.100.18.50	A+PTR	mail.yojna.com
98.100.18.50	A	autodiscover.yojna.com
98.100.18.58	A	dxd.yojna.com
98.100.18.178	A+PTR	mail.rsinetworks.com
98.100.18.178	A	rsinetworks.com
98.100.18.178	A	advancedgeomatics.com
98.100.18.179	PTR	rrcs-98-100-18-179.central.biz.rr.com
98.100.18.226	A	team.nbc-his.com
98.100.18.234	PTR	rrcs-98-100-18-234.central.biz.rr.com
98.100.19.2	A+PTR	rrcs-98-100-19-2.central.biz.rr.com