Robtex

Up: 173.229.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 173.229.8.0/22
Down right: 173.229.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.229.8.10	A	harvard.oasisscheduling.com
173.229.8.27	PTR	173-229-8-27.schillingconsulting.com
173.229.8.28	A	kumc.oasisscheduling.com
173.229.8.29	A	oasis.cumc.columbia.edu
173.229.8.34	PTR	173-229-8-34.5ninesdata.com
173.229.8.34	A	remote.tascet.com
173.229.8.34	A	mail.tascet.com
173.229.8.99	PTR	173-229-8-99.5ninesdata.com
173.229.8.118	A	jnoer.com
173.229.8.137	PTR	173-229-8-137.thewrcgroup.com
173.229.8.150	A	wrcagency.com
173.229.8.150	A	*.thewrcgroup.com
173.229.8.150	A	1stauto.com
173.229.8.155	PTR	173-229-8-155.5ninesdata.com
173.229.8.155	A	www.1stauto.com
173.229.8.157	A	nat-242.thewrcgroup.com
173.229.8.157	A	thewrcgroup.com
173.229.8.157	A	nat-251.thewrcgroup.com
173.229.8.182	A	wmmic.com
173.229.8.186	PTR	173-229-8-186.5ninesdata.com
173.229.8.194	PTR	cpanel03.5ninesdata.com
173.229.8.194	A	wihealeyclub.com
173.229.8.194	A	westonplaceresidents.org
173.229.8.195	PTR	173-229-8-195.5ninesdata.com
173.229.8.200	PTR	173-229-8-200.5ninesdata.com
173.229.8.201	PTR	173-229-8-201.5ninesdata.com
173.229.8.202	PTR	173-229-8-202.5ninesdata.com
173.229.8.202	A	mail.mallardmfg.com
173.229.8.202	A	mallardmanufacturing.com
173.229.8.205	A	ns.5ninesdata.com
173.229.8.205	A	cpaneldns03.5ninesdata.com
173.229.8.210	A+PTR	peridata.net
173.229.8.210	A	www.peridata.net
173.229.9.2	PTR	173-229-9-2.5ninesdata.com
173.229.9.19	PTR	173-229-9-19-edgewater.5ninesdata.com
173.229.9.43	PTR	173-229-9-43.5ninesdata.com
173.229.9.136	PTR	173-229-9-136.5ninesdata.com
173.229.9.137	PTR	173-229-9-137-sovereign.5ninesdata.com
173.229.9.225	PTR	173-229-9-225-sovereign.5ninesdata.com
173.229.9.235	PTR	173-229-9-235-sovereign.5ninesdata.com
173.229.10.27	PTR	173-229-10-27.5ninesdata.com
173.229.10.45	PTR	173-229-10-45.5ninesdata.com
173.229.10.120	PTR	173-229-10-120.5ninesdata.com
173.229.11.125	PTR	173-229-11-125.5ninesdata.com
173.229.11.242	PTR	nat-242.thewrcgroup.com
173.229.11.242	A	mail.thewrcgroup.com
173.229.11.242	A	mail.1stauto.com
173.229.11.243	A+PTR	owa.thewrcgroup.com
173.229.11.251	PTR	nat-251.thewrcgroup.com
173.229.12.146	PTR	173-229-12-146.5ninesdata.com
173.229.12.146	A	johnriendeau.com