Robtex

Up: 72.17.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 72.17.0.0/18
Down right: 72.17.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.17.0.0	PTR	72-17-0-0.res.bhn.net
72.17.1.1	PTR	72-17-1-1.res.bhn.net
72.17.1.89	A+PTR	72-17-1-89.res.bhn.net
72.17.5.196	A	m2-ns1.m2-corp.com
72.17.5.196	A	www.m2-corp.com
72.17.5.197	PTR	072-017-5-197.biz.spectrum.com
72.17.5.197	A	muscato.com
72.17.6.115	PTR	072-017-6-115.biz.spectrum.com
72.17.6.115	A	cataneoplumbing.com
72.17.12.230	PTR	072-017-12-230.biz.spectrum.com
72.17.12.230	A	vmbear.net
72.17.12.230	A	www.vmbear.com
72.17.13.152	PTR	072-017-13-152.biz.spectrum.com
72.17.13.152	A	antispam.provisionit.com
72.17.14.5	PTR	072-017-14-5.biz.spectrum.com
72.17.14.5	A	ns3.ahimsabreeze.com
72.17.14.5	A	ns2.ahimsaonline.com
72.17.14.6	PTR	072-017-014-006.res.spectrum.com
72.17.14.9	PTR	072-017-14-9.biz.spectrum.com
72.17.14.10	PTR	072-017-14-10.biz.spectrum.com
72.17.15.2	A	72-17-15-2.res.bhn.net
72.17.15.156	PTR	072-017-15-156.biz.spectrum.com
72.17.15.156	A	lmsservers.com
72.17.15.157	PTR	072-017-15-157.biz.spectrum.com
72.17.15.157	A	secureconceal.com
72.17.19.6	PTR	72-17-19-6.res.bhn.net
72.17.19.6	A	pawfectpetsittingofga.com
72.17.20.2	A+PTR	72-17-20-2.res.bhn.net
72.17.20.171	PTR	mail.pdsnet.com
72.17.20.171	A	www.pdsnet.com
72.17.20.171	A	clintonstreet.com
72.17.20.172	PTR	072-017-20-172.biz.spectrum.com
72.17.20.172	A	mdacs.net
72.17.21.227	PTR	072-017-21-227.biz.spectrum.com
72.17.21.227	A	fidelitasintl.com
72.17.21.227	A	fidelitas.us
72.17.21.229	PTR	072-017-21-229.biz.spectrum.com
72.17.21.229	A	sealmycasefl.com
72.17.22.43	PTR	072-017-22-43.biz.spectrum.com
72.17.22.43	A	roaringsoon.com
72.17.23.2	A+PTR	72-17-23-2.res.bhn.net
72.17.30.2	A+PTR	72-17-30-2.res.bhn.net
72.17.31.2	A+PTR	72-17-31-2.res.bhn.net
72.17.32.94	PTR	072-017-32-94.biz.spectrum.com
72.17.32.94	A	mail.ursaletoday.com
72.17.32.210	A	capec.craigtechinc.com
72.17.32.218	PTR	72-17-32-218.res.bhn.net
72.17.34.2	PTR	072-017-34-2.biz.spectrum.com
72.17.34.2	A	yourcloset.us
72.17.34.227	PTR	072-017-34-227.biz.spectrum.com
72.17.34.227	A	www.repairpcb.com
72.17.35.149	PTR	072-017-35-149.biz.spectrum.com
72.17.35.149	A	coastalmechanicalcloud.com
72.17.43.115	PTR	072-017-043-115.res.spectrum.com
72.17.52.74	A+PTR	remote.jinx-it.com
72.17.52.75	PTR	072-017-52-75.biz.spectrum.com
72.17.52.75	A	jinxonline.com
72.17.52.75	A	granitegrabbers.com
72.17.53.250	PTR	072-017-53-250.biz.spectrum.com
72.17.53.250	A	thesummitdg.com
72.17.53.250	A	hammockgg.com
72.17.55.132	PTR	072-017-55-132.biz.spectrum.com
72.17.55.132	A	titanhoa.cloud
72.17.55.214	PTR	072-017-55-214.biz.spectrum.com
72.17.55.214	A	mail.meridianmechanical.com
72.17.56.118	A	fixstop.com
72.17.56.118	A	pbx.fixstop.com
72.17.69.219	PTR	072-017-69-219.biz.spectrum.com
72.17.72.220	PTR	072-017-072-220.res.spectrum.com
72.17.75.91	PTR	072-017-75-91.biz.spectrum.com
72.17.83.154	PTR	072-017-83-154.biz.spectrum.com
72.17.83.154	A	mail.oawf.com
72.17.88.10	PTR	072-017-88-10.biz.spectrum.com
72.17.88.236	PTR	072-017-88-236.biz.spectrum.com
72.17.89.211	PTR	072-017-89-211.biz.spectrum.com
72.17.90.130	PTR	072-017-90-130.biz.spectrum.com
72.17.100.220	PTR	72-17-100-220.res.bhn.net