Robtex

Up: 198.178.146.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.178.147.0/25
Down right: 198.178.147.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.178.147.1	A+PTR	riddler.rtp.ppdi.com
198.178.147.2	A+PTR	richmond.ppdi.com
198.178.147.2	A+PTR	gateway.rtp.ppdi.com
198.178.147.20	A+PTR	www2.ppdi.com
198.178.147.21	A	harmonyclinicaltrials.com
198.178.147.22	PTR	ppdi.com
198.178.147.23	PTR	ppdi.com
198.178.147.24	PTR	ppdi.com
198.178.147.25	PTR	ppdi.com
198.178.147.38	PTR	affectsregistration.com
198.178.147.38	PTR	affectsregistry.com
198.178.147.38	A+PTR	extranet2.ppdi.com
198.178.147.40	A	crohnsregistry.org
198.178.147.44	PTR	ppddirectconnect.com
198.178.147.44	A+PTR	ppddirect.ppdi.com
198.178.147.52	PTR	vpn.rtp.ppdi.com
198.178.147.98	A	icon.ppdi.com
198.178.147.108	A	ppdtls.ppdi.com
198.178.147.136	A	portaldev.ppdi.com
198.178.147.140	A+PTR	rtpoc08.ppdi.com
198.178.147.143	A	sunstonestudy.net
198.178.147.143	A	sunstonestudy.org
198.178.147.158	A+PTR	connexion.ppdi.com
198.178.147.159	PTR	ppdeventnet.com
198.178.147.173	A	webvpn.ppdi.com
198.178.147.177	A	beltontest2.ppdi.com
198.178.147.182	A	dx.rtp.ppdi.com
198.178.147.208	A	ppdi.cn.com
198.178.147.208	A	ppdi.com.es
198.178.147.208	A	ppdi.br.com
198.178.147.210	PTR	smtpin01.ppdi.com
198.178.147.234	A	bmsresearch.com